# Lycoming IO-720 series - Type: Engine model (FAA registry) - Registry code: 41546 - Manufacturer (registry): LYCOMING - Model: IO-720 - Engine type: Reciprocating - Power: 400 hp - Data sheet: [TCDS 1E15](https://openairdocs.org/tcds/1E15) (OpenAirDocs) - Holder: Textron Lycoming Subsidiary of Textron Inc. - Installed in: 120 registered aircraft - Page: https://openairdocs.org/engine/lycoming-io-720-series The registry names only the engine series, so ADs for every model in the series are matched. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026 - [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022 - [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017 - [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015 - [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012 - [AD 2011-18-09](https://openairdocs.org/ad/2011-18-09): Crankshaft failure · Textron Lycoming, AVCO IO-720-A1B. Effective Sep 29, 2011 - [AD 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010 - [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004 - [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003 - [AD 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002 - [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998 - [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997 - [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995 - [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992 - [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979 - [AD 79-12-07](https://openairdocs.org/ad/79-12-07): Magnetos · Bendix Magnetos, TIO-540-F2BD, TIO-540-N2BD and 3 more. Effective Jun 19, 1979 - [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978 - [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977 - [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975 - [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973 - [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969 Historical (superseded or no longer in force): - [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012 - [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011 - [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008 - [AD 2006-20-09](https://openairdocs.org/ad/2006-20-09) (historical): Certain crankshafts replacing · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 82 more. Effective Nov 3, 2006 - [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003 - [AD 2000-18-53](https://openairdocs.org/ad/2000-18-53) (historical): Oil Filter Converter Plate Gaskets · Textron Lycoming, AVCO AEIO-540, IO-360-A1B6D, IO-360-A1D6D and 73 more - [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998 ## Information bulletins (advisory) (3) - [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor Idler Gear Shaft Set Screw. Issued May 13, 2016 - [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor. Issued Mar 31, 2011 - [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): . Issued Jan 22, 2003 ## Registered aircraft (120, first 50) - [N102RR](https://openairdocs.org/aircraft/N102RR): [Moyer Aviation Ll C](https://openairdocs.org/faa-owner/MOYER%20AVIATION%20LL%20C), [Katy, TX](https://openairdocs.org/faa-place/TX/Katy), S/N 1477-5 - [N103MP](https://openairdocs.org/aircraft/N103MP): [Joyce George E](https://openairdocs.org/faa-owner/JOYCE%20GEORGE%20E), [Franklinville, NC](https://openairdocs.org/faa-place/NC/Franklinville), S/N LF-50 - [N117WB](https://openairdocs.org/aircraft/N117WB): [Hicks Jacob](https://openairdocs.org/faa-owner/HICKS%20JACOB), [Crozet, VA](https://openairdocs.org/faa-place/VA/Crozet), built 1960, S/N DH-275 - [N123MK](https://openairdocs.org/aircraft/N123MK): [Solomon Steven](https://openairdocs.org/faa-owner/SOLOMON%20STEVEN), [Cherry Hill, NJ](https://openairdocs.org/faa-place/NJ/Cherry%20Hill), built 1965, S/N 26-141 - [N132BA](https://openairdocs.org/aircraft/N132BA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), S/N LD-331 - [N1415B](https://openairdocs.org/aircraft/N1415B): [Caneel Enterprise LLC](https://openairdocs.org/faa-owner/CANEEL%20ENTERPRISE%20LLC), [Nibley, UT](https://openairdocs.org/faa-place/UT/Nibley), built 1993, S/N 0012 - [N142TP](https://openairdocs.org/aircraft/N142TP): [Georgia Florida Aviation Search Team](https://openairdocs.org/faa-owner/GEORGIA%20FLORIDA%20AVIATION%20SEARCH%20TEAM), [Monticello, FL](https://openairdocs.org/faa-place/FL/Monticello), built 1962, S/N LF-71 - [N166SP](https://openairdocs.org/aircraft/N166SP): [Switzer James DBA](https://openairdocs.org/faa-owner/SWITZER%20JAMES%20DBA), [Costa Mesa, CA](https://openairdocs.org/faa-place/CA/Costa%20Mesa), built 1964, S/N 26-79 - [N184BA](https://openairdocs.org/aircraft/N184BA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1962, S/N LF-68 - [N208ML](https://openairdocs.org/aircraft/N208ML): [Angelo Sorce Md Pllc](https://openairdocs.org/faa-owner/ANGELO%20SORCE%20MD%20PLLC), [Dandridge, TN](https://openairdocs.org/faa-place/TN/Dandridge), built 1962, S/N LF-34 - [N2315Y](https://openairdocs.org/aircraft/N2315Y): [Mid Continent Aircraft Corp](https://openairdocs.org/faa-owner/MID%20CONTINENT%20AIRCRAFT%20CORP), [Hayti, MO](https://openairdocs.org/faa-place/MO/Hayti), built 1980, S/N 36-8002040 - [N2338X](https://openairdocs.org/aircraft/N2338X): [Hangar 8 Spray Service LLC](https://openairdocs.org/faa-owner/HANGAR%208%20SPRAY%20SERVICE%20LLC), [Clark, SD](https://openairdocs.org/faa-place/SD/Clark), S/N 36-8202007 - [N2352X](https://openairdocs.org/aircraft/N2352X): [Flying G Aviation Inc](https://openairdocs.org/faa-owner/FLYING%20G%20AVIATION%20INC), [Drayton, ND](https://openairdocs.org/faa-place/ND/Drayton), built 1982, S/N 36-8202012 - [N2407V](https://openairdocs.org/aircraft/N2407V): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 1980, S/N 36-8002019 - [N2409V](https://openairdocs.org/aircraft/N2409V): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 1980, S/N 36-8002020 - [N2412X](https://openairdocs.org/aircraft/N2412X): [Mid Continent Aircraft Corp](https://openairdocs.org/faa-owner/MID%20CONTINENT%20AIRCRAFT%20CORP), [Hayti, MO](https://openairdocs.org/faa-place/MO/Hayti), built 1982, S/N 36-8302001 - [N24410](https://openairdocs.org/aircraft/N24410): [Storm Spraying Service Inc](https://openairdocs.org/faa-owner/STORM%20SPRAYING%20SERVICE%20INC), [Webster City, IA](https://openairdocs.org/faa-place/IA/Webster%20City), built 1982, S/N 36-8302012 - [N2451V](https://openairdocs.org/aircraft/N2451V): [Hatfield Spraying Service Inc](https://openairdocs.org/faa-owner/HATFIELD%20SPRAYING%20SERVICE%20INC), [Nunica, MI](https://openairdocs.org/faa-place/MI/Nunica), built 1980, S/N 36-8002028 - [N2782Y](https://openairdocs.org/aircraft/N2782Y): [Degroff Steven A](https://openairdocs.org/faa-owner/DEGROFF%20STEVEN%20A), [Berne, IN](https://openairdocs.org/faa-place/IN/Berne), built 1964, S/N 26-59 - [N3801E](https://openairdocs.org/aircraft/N3801E): [Acwercs International Inc](https://openairdocs.org/faa-owner/ACWERCS%20INTERNATIONAL%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 36-7802006 - [N3833E](https://openairdocs.org/aircraft/N3833E): [Valley Spraying Service LLC](https://openairdocs.org/faa-owner/VALLEY%20SPRAYING%20SERVICE%20LLC), [Gann Valley, SD](https://openairdocs.org/faa-place/SD/Gann%20Valley), built 1978, S/N 36-7802024 - [N3957E](https://openairdocs.org/aircraft/N3957E): [Aurora Cooperative Elevator Co](https://openairdocs.org/faa-owner/AURORA%20COOPERATIVE%20ELEVATOR%20CO), [Aurora, NE](https://openairdocs.org/faa-place/NE/Aurora), built 1978, S/N 36-7802069 - [N3958E](https://openairdocs.org/aircraft/N3958E): [Johnson Lynn L](https://openairdocs.org/faa-owner/JOHNSON%20LYNN%20L), [Grafton, ND](https://openairdocs.org/faa-place/ND/Grafton), built 1978, S/N 36-7802070 - [N3980E](https://openairdocs.org/aircraft/N3980E): [Ose Airspray LLC](https://openairdocs.org/faa-owner/OSE%20AIRSPRAY%20LLC), [Thief River Falls, MN](https://openairdocs.org/faa-place/MN/Thief%20River%20Falls), S/N 36-8302022 - [N3982E](https://openairdocs.org/aircraft/N3982E): [Fresno Westside Mosquito Abatement District](https://openairdocs.org/faa-owner/FRESNO%20WESTSIDE%20MOSQUITO%20ABATEMENT%20DISTRICT), [Firebaugh, CA](https://openairdocs.org/faa-place/CA/Firebaugh), built 1979, S/N 36-7902027 - [N3993E](https://openairdocs.org/aircraft/N3993E): [Storm Spraying Serv Inc](https://openairdocs.org/faa-owner/STORM%20SPRAYING%20SERV%20INC), [Webster City, IA](https://openairdocs.org/faa-place/IA/Webster%20City), built 1978, S/N 36-7802052 - [N40013](https://openairdocs.org/aircraft/N40013): [Teufel Larry](https://openairdocs.org/faa-owner/TEUFEL%20LARRY), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), S/N H-2 - [N400BV](https://openairdocs.org/aircraft/N400BV): [Carello Aerospace LLC](https://openairdocs.org/faa-owner/CARELLO%20AEROSPACE%20LLC), [Deltona, FL](https://openairdocs.org/faa-place/FL/Deltona), S/N 1941 - [N400CJ](https://openairdocs.org/aircraft/N400CJ): [Deepe Mark D](https://openairdocs.org/faa-owner/DEEPE%20MARK%20D), [York, NE](https://openairdocs.org/faa-place/NE/York), built 1964, S/N 26-5 - [N400E](https://openairdocs.org/aircraft/N400E): [Davis Richard](https://openairdocs.org/faa-owner/DAVIS%20RICHARD), [Reno, NV](https://openairdocs.org/faa-place/NV/Reno), built 1964, S/N 26-15 - [N400FK](https://openairdocs.org/aircraft/N400FK): [Finazzo Joseph](https://openairdocs.org/faa-owner/FINAZZO%20JOSEPH), [Fort Mohave, AZ](https://openairdocs.org/faa-place/AZ/Fort%20Mohave), S/N 26-47 - [N400FW](https://openairdocs.org/aircraft/N400FW): [400fw LLC](https://openairdocs.org/faa-owner/400FW%20LLC), [Largo, FL](https://openairdocs.org/faa-place/FL/Largo), built 1964, S/N 26-51 - [N400GC](https://openairdocs.org/aircraft/N400GC): [Northern Sky Aviation LLC](https://openairdocs.org/faa-owner/NORTHERN%20SKY%20AVIATION%20LLC), [Harbor Springs, MI](https://openairdocs.org/faa-place/MI/Harbor%20Springs), built 1965, S/N 26-80 - [N400GU](https://openairdocs.org/aircraft/N400GU): [Triple S Aviation LLC](https://openairdocs.org/faa-owner/TRIPLE%20S%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1964, S/N 26-32 - [N400HL](https://openairdocs.org/aircraft/N400HL): [Lamesa, TX](https://openairdocs.org/faa-place/TX/Lamesa), built 1964, S/N 26-86, Sale reported - [N400HP](https://openairdocs.org/aircraft/N400HP): [Morgan David W](https://openairdocs.org/faa-owner/MORGAN%20DAVID%20W), [Canton, MI](https://openairdocs.org/faa-place/MI/Canton), built 1964, S/N 26-16 - [N400HR](https://openairdocs.org/aircraft/N400HR): [Davis Gary L](https://openairdocs.org/faa-owner/DAVIS%20GARY%20L), [Burleson, TX](https://openairdocs.org/faa-place/TX/Burleson), S/N 26-118 - [N400KK](https://openairdocs.org/aircraft/N400KK): [Dennehey Patrick N](https://openairdocs.org/faa-owner/DENNEHEY%20PATRICK%20N), [Cameron Park, CA](https://openairdocs.org/faa-place/CA/Cameron%20Park), built 1965, S/N 26-103 - [N400NQ](https://openairdocs.org/aircraft/N400NQ): [N400nq LLC](https://openairdocs.org/faa-owner/N400NQ%20LLC), [Gleeley, CO](https://openairdocs.org/faa-place/CO/Gleeley), S/N 26-29 - [N400PA](https://openairdocs.org/aircraft/N400PA): [N6105s LLC](https://openairdocs.org/faa-owner/N6105S%20LLC), [Norwood, NC](https://openairdocs.org/faa-place/NC/Norwood), built 1964, S/N 26-54 - [N400PP](https://openairdocs.org/aircraft/N400PP): [Mig Aviation LLC](https://openairdocs.org/faa-owner/MIG%20AVIATION%20LLC), [Sandy, UT](https://openairdocs.org/faa-place/UT/Sandy), S/N 26-28 - [N400SW](https://openairdocs.org/aircraft/N400SW): [Day Stephen F](https://openairdocs.org/faa-owner/DAY%20STEPHEN%20F), [Queen Creek, AZ](https://openairdocs.org/faa-place/AZ/Queen%20Creek), S/N 26-112 - [N400WG](https://openairdocs.org/aircraft/N400WG): built 1965, S/N 26-104 - [N400WL](https://openairdocs.org/aircraft/N400WL): [Hammer Construction Corp](https://openairdocs.org/faa-owner/HAMMER%20CONSTRUCTION%20CORP), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1965, S/N 26-148 - [N400Y](https://openairdocs.org/aircraft/N400Y): [Karschney Rich](https://openairdocs.org/faa-owner/KARSCHNEY%20RICH), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1965, S/N 26-101 - [N41323](https://openairdocs.org/aircraft/N41323): [Demars Kevin L](https://openairdocs.org/faa-owner/DEMARS%20KEVIN%20L), [Fargo, ND](https://openairdocs.org/faa-place/ND/Fargo), S/N 36-7460001 - [N4153E](https://openairdocs.org/aircraft/N4153E): [Gardner Gary A](https://openairdocs.org/faa-owner/GARDNER%20GARY%20A), [Estherville, IA](https://openairdocs.org/faa-place/IA/Estherville), built 1979, S/N 36-8002003 - [N4154E](https://openairdocs.org/aircraft/N4154E): [Piper Aircraft Inc](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20INC), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach), built 1979, S/N 36-8002004 - [N5078E](https://openairdocs.org/aircraft/N5078E): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1963, S/N LF-76 - [N5078G](https://openairdocs.org/aircraft/N5078G): [Fresh Air Aviation Inc](https://openairdocs.org/faa-owner/FRESH%20AIR%20AVIATION%20INC), [Charlevoix, MI](https://openairdocs.org/faa-place/MI/Charlevoix), built 1960, S/N LF-8 All 120: https://openairdocs.org/engine/lycoming-io-720-series/aircraft.md ## NTSB investigations (87, newest 50) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR26LA218](https://openairdocs.org/ntsb/WPR26LA218), Jun 13, 2026: Piper PA-24-400 (N400HL), Graham, TX, substantial damage, investigation ongoing - [NTSB CEN25LA218](https://openairdocs.org/ntsb/CEN25LA218), Jun 19, 2025: Piper PA-36-375 (N6174A), Huron, SD, substantial damage. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during a low-level aerial application, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude… - [NTSB CEN24LA269](https://openairdocs.org/ntsb/CEN24LA269), Jul 16, 2024: Piper PA-36-375 (N2386X), Avoca, NE, substantial damage. Probable cause: A partial loss of engine power due to the loose left magneto which resulted in erratic engine timing. - [NTSB ERA23LA364](https://openairdocs.org/ntsb/ERA23LA364), Sep 7, 2023: Piper PA24 (N400RW), Norwood, MA, substantial damage. Probable cause: The pilot’s failure to fly an appropriate glide path during the landing approach, which resulted in a collision with approach lights and the ground short of the intended runway. - [NTSB WPR22LA180](https://openairdocs.org/ntsb/WPR22LA180), Apr 15, 2022: Piper PA-24-400 (N8493P), Benson, AZ, substantial damage. Probable cause: The pilot’s failure to lower the landing gear on approach due to distraction. - [NTSB WPR21LA343](https://openairdocs.org/ntsb/WPR21LA343), Aug 30, 2021: Piper PA-24-400 (N8501P), Fullerton, CA, substantial damage. Probable cause: The pilot’s failure to monitor the environment and maintain a proper glidepath on approach which, resulted in a collision with the airport perimeter fence. - [NTSB GAA19CA319](https://openairdocs.org/ntsb/GAA19CA319), Jun 6, 2019: Piper PA24 (N8529P), Weiner, AR, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll on a wet runway, which resulted in a runway overrun and collision with a pole. - [NTSB WPR13CA148](https://openairdocs.org/ntsb/WPR13CA148), Mar 12, 2013: Piper PA-24-400 (N8533P), Minden, NV, substantial damage. Probable cause: The pilot's improper flare, which resulted in a bounced landing and a loss of directional control. - [NTSB CEN11CA526](https://openairdocs.org/ntsb/CEN11CA526), Jul 23, 2011: Piper PA-36-375 (N3963E), Cambridge, NE, substantial damage. Probable cause: The pilot's failure to reset the engine's mixture control lever to the full rich position prior to takeoff. - [NTSB ERA10LA263](https://openairdocs.org/ntsb/ERA10LA263), May 12, 2010: Hachem Zachery S E7 (N101RU), Homerville, GA, substantial damage. Probable cause: The pilot’s improper flare, which resulted in a hard landing. - [NTSB CEN10LA127](https://openairdocs.org/ntsb/CEN10LA127), Feb 24, 2010: Hawker Beechcraft 65-B80 (N132BA), Minneapolis, MN, minor damage. Probable cause: The pilot of the other airplane not setting the parking brake adequately while holding for departure. Contributing to the accident was the pilot of the other airplane being distracted while doing his… - [NTSB ERA10FA138](https://openairdocs.org/ntsb/ERA10FA138), Feb 8, 2010: Beech 65 (N130SP), Lawrenceville, GA, substantial damage, 1 fatal. Probable cause: The failure of both engines for undetermined reasons. - [NTSB ERA09FA303](https://openairdocs.org/ntsb/ERA09FA303), May 25, 2009: Aero Commander 500 S (N73U), Daytona Beach, FL, substantial damage, 1 fatal. Probable cause: A total loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight inspection. - [NTSB CEN09LA023](https://openairdocs.org/ntsb/CEN09LA023), Oct 18, 2008: Piper PA-36-285 (N57740), Silverton, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance from a transmission wire. - [NTSB LAX08CA188](https://openairdocs.org/ntsb/LAX08CA188), Jun 19, 2008: Piper PA-36-375 (N3859E), Lodi, CA, substantial damage. Probable cause: The pilot's inadequate in-flight decision to continue the flight into an area of obscured visibility and his failure to maintain clearance above obstacles. - [NTSB LAX07LA280](https://openairdocs.org/ntsb/LAX07LA280), Sep 18, 2007: Root Sherpa (N1415B), Scappoose, OR, substantial damage. Probable cause: A loss of aircraft pitch control due to the fatigue failure of the fuselage tube structure at the flight control stick gimbal mechanism due to an incomplete weld penetration at the root of the weld. - [NTSB CHI07CA088](https://openairdocs.org/ntsb/CHI07CA088), Mar 13, 2007: Piper PA-24-400 (N400VL), Des Moines, IA, substantial damage. Probable cause: the nose landing gear becoming jammed in a partially extended position during flight as a result of damage to the nose landing gear by ground personnel. - [NTSB CHI05CA210](https://openairdocs.org/ntsb/CHI05CA210), Aug 1, 2005: Barr Barr Six (N83W), Knox, IN, destroyed. Probable cause: The undetermined cause of the fire during the taxi. - [NTSB LAX05GA243](https://openairdocs.org/ntsb/LAX05GA243), Jul 22, 2005: Aero Commander 680 FL (N7UP), Las Vegas, NV, destroyed. Probable cause: The pilot's excessive selection of flaps prior to takeoff, which resulted in a failure to obtain/maintain an appropriate climb airspeed, and an inadvertent stall/mush during takeoff-initial climb. A… - [NTSB SEA04LA178](https://openairdocs.org/ntsb/SEA04LA178), Sep 1, 2004: Helio H800 (N4033G), Fossil, OR, destroyed. Probable cause: The pilot's failure to remove the aileron wing gust locks prior to flight, which resulted in a loss of control during the descent/emergency landing. A factor contributing to the accident was the… - [NTSB ATL04CA106](https://openairdocs.org/ntsb/ATL04CA106), May 4, 2004: Beech BE-65 (LF-23F) (N870KS), Winder, GA, substantial damage. Probable cause: The pilot's mismanagement of the fuel supply resulted in fuel starvation and a loss of power in both engines. - [NTSB MIA04LA074](https://openairdocs.org/ntsb/MIA04LA074), Apr 18, 2004: Terry E. Morris Glasair III (N333ZZ), Lakeland, FL, substantial damage. Probable cause: The pilot's failure to maintain airspeed and establish a climb during an attempted go-around which resulted in a stall/mush and collision with terrain. His failure to follow air traffic control… - [NTSB DEN03LA098](https://openairdocs.org/ntsb/DEN03LA098), Jun 7, 2003: Helio H800 (N4035K), Cody, WY, substantial damage. Probable cause: the pilot's improper preflight planning and his failure to maintain aircraft control when returning to the airport. Factors contributing to the accident were the oil leak, the attempted precautionary… - [NTSB LAX03LA129](https://openairdocs.org/ntsb/LAX03LA129), Apr 5, 2003: Piper PA-36-375 (N3859E), Herald, CA, minor damage. Probable cause: the inadequate visual lookout for other aircraft by both pilots that resulted in a midair collision. - [NTSB SEA00LA145](https://openairdocs.org/ntsb/SEA00LA145), Jul 28, 2000: Root Sherpa (N1415B), Helena, MT, substantial damage. Probable cause: The pilot's failure to maintain directional control while landing. - [NTSB FTW98LA200](https://openairdocs.org/ntsb/FTW98LA200), May 1, 1998: Piper PA-24-400 (N8536P), Jackson, WY, substantial damage. Probable cause: the pilot's misjudgment of distance and speed, while approaching to land; his failure to attain a proper touchdown point for landing; and his failure to go around, while there was sufficient runway… - [NTSB FTW98LA027](https://openairdocs.org/ntsb/FTW98LA027), Oct 20, 1997: Helio H-800 (N40013), Ogden, UT, substantial damage. Probable cause: failure of the tail wheel assembly, which rendered the aircraft uncontrollable during landing roll. - [NTSB CHI97LA105](https://openairdocs.org/ntsb/CHI97LA105), Apr 12, 1997: Piper PA-24 (N8739P), Elk Falls, KS, substantial damage. Probable cause: fracture of the fuel selector assembly which resulted in fuel starvation. - [NTSB FTW97LA105](https://openairdocs.org/ntsb/FTW97LA105), Feb 18, 1997: Piper PA-36-375 (N7167E), Danevang, TX, substantial damage. Probable cause: The utility's company failure to notify affected parties of the downed line, and the pilot's failure to maintain clearance with the downed wire. A factor was the downed wire. - [NTSB FTW97LA061](https://openairdocs.org/ntsb/FTW97LA061), Dec 10, 1996: Piper PA-24-400 (N8450P), Broomfield, CO, substantial damage. Probable cause: failure of the pilot to maintain proper alignment with the runway, while landing. A factor relating to the accident was: the variable/gusty wind condition with possible windshear. - [NTSB FTW96LA353](https://openairdocs.org/ntsb/FTW96LA353), Aug 20, 1996: Piper PA-36-300 (N57831), Hale Center, TX, substantial damage. Probable cause: the pilot's inadequate preflight planning/preparation and failure to obtain and/or maintain adequate airspeed after takeoff, which resulted in an inadvertent stall/mush. The overweight condition of… - [NTSB CHI92DCD03](https://openairdocs.org/ntsb/CHI92DCD03), Apr 29, 1992: Piper PA-36-375 (N3986E), Deloit, IA, substantial damage. Probable cause: INADEQUATE VISUAL LOOKOUT BY THE PILOT IN COMMAND WHILE PERFORMING AERIAL APPLICATION MANEUVERS. A FACTOR IN THE ACCIDENT IS THE PILOT'S DIVERTED ATTENTION. - [NTSB FTW91LA127](https://openairdocs.org/ntsb/FTW91LA127), Jul 25, 1991: Piper PA-24-400 (N8507P), Nashville, AR, substantial damage. Probable cause: FUEL STARVATION INDUCED LOSS OF POWER DUE TO A BLOCKED FINGER FUEL STRAINER IN THE FUEL SERVO UNIT. A FACTOR WAS THE UNSUITABLE TERRAIN AT THE PILOT'S DISPOSAL. - [NTSB ATL91LA135](https://openairdocs.org/ntsb/ATL91LA135), Jul 16, 1991: Piper PA-24-260 (N8739P), Springfield, TN, substantial damage. Probable cause: THE PA-24 PILOT'S FAILURE TO MAINTAIN PROPER AIRSPEED WHILE EXECUTING A GO-AROUND, RESULTING IN THE STALLING OF THE AIRPLANE. A FACTOR IN THE ACCIDENT WAS THE PA-24 PILOT'S FAILURE TO VISUALLY DETECT… - [NTSB DEN91FA039](https://openairdocs.org/ntsb/DEN91FA039), Feb 8, 1991: Piper PA-24-400 (N8510P), Snowmass, CO, destroyed, 2 fatal. Probable cause: THE PILOT'S FAILURE TO MAINTAIN A PROPER ALTITUDE IN MOUNTAINOUS TERRAIN. - [NTSB DEN90LA157](https://openairdocs.org/ntsb/DEN90LA157), Jul 12, 1990: Piper PA-36 (N9980P), Clarkston, UT, substantial damage. Probable cause: JAMMED AILERONS RESULTANT FROM THE COLLISION WITH CROPS. - [NTSB LAX90LA120](https://openairdocs.org/ntsb/LAX90LA120), Mar 16, 1990: Cessna 414 (N711AG), Ramona, CA, destroyed. Probable cause: RIGHT MAIN GEAR SCISSORS ASSEMLBY BECOMING DISCONNECTED DURING LANDING ROLL, ALLOWING THE RIGHT RUN LANDING GEAR TO COLLAPSE; SCISSOR ASSEMBLY WASHERS NOT BEING REPLACED AS RECOMMENDED IN CESSNA… - [NTSB MKC89LA198](https://openairdocs.org/ntsb/MKC89LA198), Sep 21, 1989: Beech 80 (N132BA), Littlefork, MN, substantial damage. Probable cause: TOTAL FAILURE OF THE ELECTRICAL SYSTEM DURING IFR OPERATIONS & THE AIRCRAFT'S COLLISION WITH A ROCK FENCE DURING THE SUBSEQUENT GEAR-UP PRECAUTIONARY LANDING. - [NTSB MIA89WA142](https://openairdocs.org/ntsb/MIA89WA142), Apr 29, 1989: Beech 65 (N824Q), Nassau, Bahamas, destroyed - [NTSB SEA88LA174](https://openairdocs.org/ntsb/SEA88LA174), Sep 9, 1988: Piper PA-24-400 (N8541P), Gasquet, CA, substantial damage - [NTSB SEA88LA018](https://openairdocs.org/ntsb/SEA88LA018), Nov 11, 1987: Piper PA-24-400 (N400TT), Winnemucca, NV, substantial damage - [NTSB NYC87DHD05](https://openairdocs.org/ntsb/NYC87DHD05), May 23, 1987: Piper PA-36-400 (N2412X), Mullica Hill, NJ, destroyed - [NTSB DEN87LA117](https://openairdocs.org/ntsb/DEN87LA117), May 1, 1987: Piper PA-36-375 (N2335X), Lamar, CO, substantial damage - [NTSB SEA87LA016](https://openairdocs.org/ntsb/SEA87LA016), Nov 2, 1986: Piper PA-24-400 (N8419P), Oregon City, OR, substantial damage - [NTSB CHI86LA153](https://openairdocs.org/ntsb/CHI86LA153), Jun 13, 1986: Piper PA-36-375 (N6184A), Breckenridge, MN, substantial damage - [NTSB MIA86LA179](https://openairdocs.org/ntsb/MIA86LA179), Jun 11, 1986: Piper PA-24-400 (N8495P), St.Augustine, FL, substantial damage - [NTSB FTW85FRD03](https://openairdocs.org/ntsb/FTW85FRD03), Aug 21, 1985: Advanced Technology Predator 480 (N480AG), Welsh, LA, destroyed - [NTSB LAX85FA122](https://openairdocs.org/ntsb/LAX85FA122), Jan 24, 1985: Piper PA-24-400 (N3983D), Helendale, CA, substantial damage - [NTSB MKC84LA176](https://openairdocs.org/ntsb/MKC84LA176), Jun 19, 1984: Piper PA-36-375 (N3953E), Storm Lake, IA, substantial damage - [NTSB DEN84LA138](https://openairdocs.org/ntsb/DEN84LA138), Apr 25, 1984: Piper PA-36-375 (N2371Y), Albuquerque, NM, substantial damage All 87: https://openairdocs.org/engine/lycoming-io-720-series/ntsb.md ## FAA accident and incident reports (113, newest 50) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20260612005799A](https://openairdocs.org/incident/20260612005799A), Jun 12, 2026: Piper PA-24-400 (N400HL), Graham, TX, Substantial damage. On June 12, 2026, at approximately 2055 LCL, a Piper comanche, performed an off-field landing and impacted a tree approximately 4 miles southwest of the… - [Accident 20250619006009A](https://openairdocs.org/incident/20250619006009A), Jun 19, 2025: Piper PA-36-375 (N6174A), Huron, SD, Destroyed. Statement from pilot - I went out to practice spraying a field with water in nxxxxx. I did two laps around the field, then came around to purge the booms… - [Accident 20240716009599A](https://openairdocs.org/incident/20240716009599A), Jul 16, 2024: Piper PA-36-375 (N2386X), Avoca, NE, Substantial damage. On 07/16/2024, the pilot of [privacy data omitted] was performing aerial application for a part 137 operation and was on the 8th load of the day. The aircraft… - [Accident 20230906019329A](https://openairdocs.org/incident/20230906019329A), Sep 6, 2023: Piper PA-24-400 (N400RW), Norwood, MA, Substantial damage. Pilot attempted to land on rwy 35 at owd in VFR conditions. Approach was too low (approx 100 ft) and aircraft hit last 2 approach light sections, damaging the… - [Incident 20221231019499I](https://openairdocs.org/incident/20221231019499I), Dec 31, 2022: Piper PA-24-400 (N8541P), Hays, KS, Minor damage. On 12/31/2022, at approximately 5:35 pm (CST), [privacy data omitted], a single-engine Piper PA-24-400 (sn 26-122) operating a 14 CFR part 91 flight, landed on… - [Accident 20220415008119A](https://openairdocs.org/incident/20220415008119A), Apr 15, 2022: Piper PA-24-400 (N8493P), Benson, AZ, Substantial damage. Pilot was approaching E-95 at about 0530 on 04/15/2022, made usual radio calls and power settings at 14 inches manifold pressure and 2400 RPM. After third… - [Accident 20210830017009A](https://openairdocs.org/incident/20210830017009A), Aug 30, 2021: Piper PA-24-400 (N8501P), Fullerton, CA, Substantial damage. On August 30, 2021 at 2045(zulu) / 1345 (local) PST, Piper comanche (PA-24-400), bearing registration mark N8501P and serial number 26-81 was being flown by… - [Incident 20200807014149I](https://openairdocs.org/incident/20200807014149I), Aug 7, 2020: Piper PA-24-400 (N8533P), Springfield, TN, Minor damage. On the afternoon of August 7th, 2020, N8533P a 1965 Piper comanche PA-24-400. The flight was for time building and was to fly between outlaw field (kckv) and… - [Incident 20190913013099I](https://openairdocs.org/incident/20190913013099I), Sep 13, 2019: Beech 65 (N5078G), Charlevoix, MI, Minor damage. On September 13, 2019 at 16:15 eastern daylight time, a Beechcraft BE65 queen air aircraft, N5078G, registered to and operated by a commercial air taxi… - [Incident 20190827011689I](https://openairdocs.org/incident/20190827011689I), Aug 27, 2019: Piper PA-24-400 (N8532P), Tifton, GA, Minor damage. On Tuesday 8/27/2019, [privacy data omitted] was flying his Piper PA-24, N8532P, from steinhatchee, FL to Tifton, GA. It was a sunny day with light winds. At… - [Accident 20190606005949A](https://openairdocs.org/incident/20190606005949A), Jun 6, 2019: Piper PA-24-400 (N8529P), Weiner, AR, Substantial damage. N8529P departed stan stamper municipal airport (khhw) at approximately 10:05 a.m. on June 6, 2019 following a fuel and rest stop on a trip destined for hanover… - [Incident 20151005016059I](https://openairdocs.org/incident/20151005016059I), Oct 5, 2015: Beech 65 (N5079E), Denver, CO, Minor damage. Pilot was approaching Denver at night. Fairly new to the aircraft (4 weeks). Pilot felt a little rushed by ATC and simply forgot to lower landing gear. Landing… - [Incident 20150630010829I](https://openairdocs.org/incident/20150630010829I), Jun 30, 2015: Piper PA-24-400 (N8450P), Mobridge, SD, Minor damage. On June 30, 2015 at 12:45PM a PA-24-400 N8450P gear collasped during landing after the electrical system failed during a personal flight. VMC conditioned… - [Accident 20130312003669A](https://openairdocs.org/incident/20130312003669A), Mar 12, 2013: Piper PA-24-400 (N8533P), Minden, NV, Substantial damage. Pilot reported that he had a hard landing on runway 34 and that he bounced 3 times with propeller strikes. The pilot stated that he lost directional control… - [Accident 20110723015989A](https://openairdocs.org/incident/20110723015989A), Jul 23, 2011: Piper PA-36-375 (N3963E), Cambridge, NE, Substantial damage. At 0638 CDT on July 23, 2011, N3963E, Piper PA-36-375, s/n 36-7902029, taxied into position and took off on runway 32 at the Cambridge, NE airport (csb). The… - [Accident 20100512033719A](https://openairdocs.org/incident/20100512033719A), May 12, 2010: Hachem Zach E7 (N101RU), Homerville, GA, Substantial damage. Aircraft N101RU serial number 01 experienced right gear failure on landing in Homerville, GA on 5/12/2010. During inspection the right shock strut lower attach… - [Incident 20100502034469I](https://openairdocs.org/incident/20100502034469I), May 2, 2010: Piper PA-24-400 (N400WG), Orville, CA, Minor damage. On a day VFR pleasure flight with one passenger Mr. Wooldrige was landing his aircraft at oroville CA. During the landing roll out the nose gear collapsed… - [Accident 20100224028141A](https://openairdocs.org/incident/20100224028141A), Feb 24, 2010: Beech 65-B80 (N132BA), Minneapolis, MN, Substantial damage. Right engine prop 2 blades curled. 1 blade lost some metal with nicks and scratches. Sudden engine stoppage. Minor scratches on right top side of nose section.… - [Accident 20100208039279A](https://openairdocs.org/incident/20100208039279A), Feb 8, 2010: Beech 65 (N130SP), Lawrenceville, GA, Destroyed, 1 fatal. Shortly after takeoff, the aircraft lost power to both engines and crashed into a wooded field approximately 1.07 miles from the end of runway 25 at… - [Incident 20090623047309I](https://openairdocs.org/incident/20090623047309I), Jun 23, 2009: Aero Comman 680FL P (N91ES), Birmingham, AL, No damage. While in cruise flight, lost hydraulic pressure due to a broken line. Landed uneventful with no brakes or steering. The pilot used differintial power to steer… - [Incident 20090602008029I](https://openairdocs.org/incident/20090602008029I), Jun 2, 2009: Piper PA24400 (N400Y), Torrance, CA, Minor damage. (-23) During approach for landing at toa, the landing gear was not extended and the aircraft sustained minor damage to the lower fuselage and propeller. The… - [Accident 20090525018069A](https://openairdocs.org/incident/20090525018069A), May 25, 2009: Gulstm 500S (N73U), Daytona Beach, FL, Substantial damage, 1 fatal. (-23) The airplane impacted terrain short of runway 25R during a forced landing after takeoff. The pilot was seriously injured, and the pilot-rated passenger… - [Accident 20081018848629A](https://openairdocs.org/incident/20081018848629A), Oct 18, 2008: Piper PA36285 (N57740), Silverton, TX, Destroyed. (-23) On October 18, 2008 at approximately 1250 CDT, commercial pilot [privacy data omitted] departed a private dirt strip located one mile east and one half… - [Accident 20080619839779A](https://openairdocs.org/incident/20080619839779A), Jun 19, 2008: Piper PA36375 (N3859E), Lodi, CA, Destroyed. (-23) Crop duster aircraft was heading north spraying sulfur on grapevines west of Lodi, CA. On third spray pass, aircraft struck several grapevines and… - [Accident 20070917020859A](https://openairdocs.org/incident/20070917020859A), Sep 17, 2007: Amtr ROOTSHERPA (N1415B), Scappoose, OR, Substantial damage. (-23) The pilot [privacy data omitted] was in process possibly buying this experimental aircraft, sherpa by name, manufactured by [privacy data omitted] in… - [Accident 20070312003419A](https://openairdocs.org/incident/20070312003419A), Mar 12, 2007: Piper PA24400 (N400VL), Des Moines, IA, Substantial damage. (-23) Pilot called dsm ATCT declaring an emergency due to unsuccessful attempt to lower gear. Aircraft landed gear-up. - [Accident 20050801026449A](https://openairdocs.org/incident/20050801026449A), Aug 1, 2005: BARRSIX (N83W), Knox, IN, Destroyed. (-23) When the pilot [privacy data omitted] reduced power for landing at wheeler airport, Knox, Indiana he noted the engine running rough. After landing and… - [Accident 20050721014679A](https://openairdocs.org/incident/20050721014679A), Jul 21, 2005: Gulstm 680FL (N7UP), Las Vegas, NV, Destroyed. (-23) The aircraft was not properly configured for takeoff. Flaps were set at 30 degrees. The airplane lifted off from runway 12R at north Las Vegas airport… - [Accident 20040901020979A](https://openairdocs.org/incident/20040901020979A), Sep 1, 2004: Helio H800 (N4033G), The Dalles, OR, Substantial damage. (-23) Aircraft crashed under unknown circumstances near fossil, OR. Substantial damage to a/c, pilot transported to bend hospital with serious injuries. - [Accident 20040503031239A](https://openairdocs.org/incident/20040503031239A), May 3, 2004: Beech 65 (N870KS), Winder, GA, Destroyed. (-23) The aircraft departed lzu for wdr at around 2130. According to witnesses, the aircraft engines were sputtering as the aircraft was making a left turn.… - [Accident 20040418016699A](https://openairdocs.org/incident/20040418016699A), Apr 18, 2004: Amtr GLASAIRIII (N333ZZ), Lakeland, FL, Substantial damage. (-23) Pilot elected to try to salvage an unsable approach and touched down with only the left main on the runway surface. The nose and right main were tracking… - [Accident 20030607011679A](https://openairdocs.org/incident/20030607011679A), Jun 7, 2003: Helio H800 (N4035K), Cody, WY, Substantial damage. (-23) The aircraft departed runway 04 at the Cody, Wyoming airport (cod), climbed to about 300 feet, turned back to the airport and attempted to land on runway… - [Accident 20030405022491A](https://openairdocs.org/incident/20030405022491A), Apr 5, 2003: Piper PA36375 (N3859E), Harold, CA, Substantial damage. (-23) After landing at a private airport, bottimore ranch, the pilot of the Grumman tiger lost directional control of the aircraft. After it came to a stop,… - [Incident 20020704016399I](https://openairdocs.org/incident/20020704016399I), Jul 4, 2002: Piper PA24 (N400BK), Ft Worth, TX, Minor damage. (-23) On July 4, 2002, at 1534 hours a Piper PA-24 aircraft owned by Mr. David l. jackson landed with the landing gear partially extended at Fort Worth… - [Incident 20020607014969I](https://openairdocs.org/incident/20020607014969I), Jun 7, 2002: Piper PA24400 (N8535P), Dallas, TX. (-23) Pilot departed gainesville, TX after stopping for fuel. Arriving in the dfw ARTCC he contacted regional approach on 124.25. After receiving instruction… - [Incident 20000902026829I](https://openairdocs.org/incident/20000902026829I), Sep 2, 2000: Piper PA24400 (N8477P), Great Bend, KS, Minor damage. (-23) On September 2, 2000, at approximately 1145 pm, [privacy data omitted] lost control of N8477P during landing at Great Bend, KS after a night flight from… - [Accident 20000727005099A](https://openairdocs.org/incident/20000727005099A), Jul 27, 2000: N1415B, Helena, MT, No damage. (-23) PIC stated at stall speed, he bounced on tundra times then dropped on ewing on aircraft and spun around on the ashalt. Hot temperature-wind not a factor… - [Incident 19990417026389I](https://openairdocs.org/incident/19990417026389I), Apr 17, 1999: Beech 65 (N5078G), Pierre, SD, Minor damage. (-23) Pilot don wetenkamp took off from isabel, SD, on a sod runway. During take off he noted that it was extremely rough and noisy. Cycled gear twice when… - [Incident 19980509019919I](https://openairdocs.org/incident/19980509019919I), May 9, 1998: Piper PA36375 (N6194A), Johnson, KS, Minor damage. Attempting to pass under high lines right gear struck and embankment. Was able to return to 2KB and land. Not - [Accident 19980501015309A](https://openairdocs.org/incident/19980501015309A), May 1, 1998: Piper PA24400 (N8536P), Jackson, WY, Substantial damage. Landed mid field. Overran runway. Blew both tires and folded left main gear trying to stop. (.4)the pilot said he was 'breaking in a new engine' and he did not… - [Incident 19971113041939I](https://openairdocs.org/incident/19971113041939I), Nov 13, 1997: Beech 65 (N5078N), Bemidji, MN, Minor damage. Narrative: pilot did not extend gear on landing. 1. Failure to use checklist. 2. Failure to use procedures manual. 3. FAR 91.13(a). - [Accident 19971020037569A](https://openairdocs.org/incident/19971020037569A), Oct 20, 1997: Helio H800 (N40013), Ogden, UT, Substantial damage. Tail shimmy on landing roll. Ground looped. Tailwheel bracket failed at previous weld. - [Incident 19970727028139I](https://openairdocs.org/incident/19970727028139I), Jul 27, 1997: Beech 65 (N5078J), Helena/West Hel, AR, Minor damage. Electrical system failure on climbout with gear retract. Used manual extend but gear folded landing. Further later. - [Accident 19970412005859A](https://openairdocs.org/incident/19970412005859A), Apr 12, 1997: Piper PA24260 (N8739P), Elk Falls, KS, Substantial damage. Lost power enroute after switching fuel tanks. Hit fence and trees trying for gravel road. Fuel selector broke. - [Accident 19970218003679A](https://openairdocs.org/incident/19970218003679A), Feb 18, 1997: Piper PA36375 (N7167E), Danevang, TX, Substantial damage. (.4)The pilot stated that during the fifth spraying pass, he elected to cross under the power lines which he estimated to be suspended about 35 to 40 feet… - [Accident 19961210047559A](https://openairdocs.org/incident/19961210047559A), Dec 10, 1996: Piper PA24400 (N8450P), Denver, CO, Substantial damage. (-16) [privacy data omitted] a/c xponder operated beyond 24 mos. Calibration FAR 91.413(a). - [Incident 19961025038049I](https://openairdocs.org/incident/19961025038049I), Oct 25, 1996: Piper PA24400 (N8515P), Easton, PA, Minor damage. Narrative: on October 25, 1996, N8515P, a PA-24-400 aircraft landed gear up on runway 18 at Easton Airport, Easton, PA (N43). The pilot, Mr. William j. waldron… - [Accident 19960820023449A](https://openairdocs.org/incident/19960820023449A), Aug 20, 1996: Piper PA36300 (N57831), Hale Center, TX, Substantial damage. Aircraft took off, lost power, made emergency landing. Damage to fuselage and wings. (.4)the pilot stated that during the takeoff roll from his 3,000 foot dirt… - [Incident 19960322009939I](https://openairdocs.org/incident/19960322009939I), Mar 22, 1996: Piper PA36375 (N3808E), Zellwood, FL, Minor damage. Narrative: pilot had finished spraying a field except to make a pass going into the field from a different direction to spray the very end of the field. A… - [Incident 19960211010519I](https://openairdocs.org/incident/19960211010519I), Feb 11, 1996: Piper PA24400 (N8532P), Scottsdale, AZ, Minor damage. Narrative: doing touch and gos at time of incident. Torrance bailey in right seat on controls. Mike taraska stated that he was PIC. Lost control and veered off… All 113: https://openairdocs.org/engine/lycoming-io-720-series/incidents.md ## Service difficulty reports (13) As reported by operators and repair stations, by the model named in the report. - [SDR CVU2010F00001](https://openairdocs.org/sdr/CVU2010F00001), Apr 7, 2010: ALTERNATOR. DEFECTIVE. DURING RUNUP, THE RT VOLT/AMP METER SHOWED ONLY BATTERY VOLTAGE WHICH INDICATED A PROBLEM WITH THE RT ALTERNATOR. AFTER FURTHER TESTING AND INSPECTION, IT WAS D - [SDR CVU2010F00000](https://openairdocs.org/sdr/CVU2010F00000), Jan 4, 2010: ACTUATOR. MALFUNCTIONED. THE RT MLG FREEFELL TO THE DOWN AND LOCKED POSITION WHILE THE GEAR WAS BEING EXTENDED. INSP REVEALED FAILURE OF THE NUT INSIDE ASSY NR 50-8103672. REPLACED BOTH - [SDR CVU2009F00001](https://openairdocs.org/sdr/CVU2009F00001), Nov 6, 2009: FORK. CRACKED. DURING A RECURRENT INSP REQUIRED BY AD 2004-23-02C, A CRACK WAS FOUND AT THE LOCATION ILLUSTRATED. WERE THE WELD MEETS THE SURFACE, AFTER USING DYE PENETRANT TH - [SDR W59R6816](https://openairdocs.org/sdr/W59R6816), Jul 15, 2009: BLADE. CRACKED. PROPELLER SUBMITTED FOR INSPECTION IAW AD 97-18-02R1. BLADE SN A70190 FOUND CRACKED APPROX 3 INCH LONG IN V GROOVE OF BLADE SHANK. BLADE SN A70477 FOUND CRACKED - [SDR CVU2009F00000](https://openairdocs.org/sdr/CVU2009F00000), Feb 3, 2009: STARTER. NOISY. ON STARTUP, ONCE THE BENDIX GEAR ENGAGED, A LOUD NOISE WAS HEARD, WHICH SOUNDED LIKE GEARS GRINDING. UPON CLOSER INSP, NO TEETH REMAINED ATTACHED TO THE BENDIX. - [SDR CVU2008F00000](https://openairdocs.org/sdr/CVU2008F00000), Jul 7, 2008: STARTER. INTERMITTENT. PART REMOVED FOR OVERHAUL AFTER INTERMITTENT OPERATION. (K) - [SDR KZ52003F00002](https://openairdocs.org/sdr/KZ52003F00002), Oct 13, 2003: STIFFENER. CRACKED. INSPECTION REVELAED THE PARTS TO BE CRACKED BETWEEN RIVET HOLES WHERE STIFFENER WAS ATTACHED TO AFT BULKHEAD. NO FURTHER DAMAGE WAS NOTED AFTER PART WAS REMOVED - [SDR KZ52003F00000](https://openairdocs.org/sdr/KZ52003F00000), Oct 8, 2003: STIFFENER. CRACKED. INSPECTION REVEALED THE PART TO BE CRACKED BETWEEN RIVET HOLES WHERE STIFFNER WAS ATTACHED TO AFT BULKHEAD. NO FURTHER DAMAGE WAS NOTED AFTER PART WAS REMOVED.( - [SDR 2003FA0000197](https://openairdocs.org/sdr/2003FA0000197), Feb 12, 2003: PUMP. FAILED. VACUUM PUMP FAILED UNDER NORMAL OPERATING CONDITIONS. - [SDR 2003FA0000076](https://openairdocs.org/sdr/2003FA0000076), Dec 16, 2002: PUMP. FAILED. PUMP FAILED UNDER NORMAL OPERATING CONDITIONS. - [SDR 2002FA0001123](https://openairdocs.org/sdr/2002FA0001123), Sep 19, 2002: POINTS. MELTED. MELTING OF NYLON WHERE IT CONTACTS POINT ARM DURING OPENING AND CLOSING OF POINTS DURING OPERATION. INFERIOR NYLON USED, NOT RESISTANT TO WEAR OR HEAT. - [SDR 04230201](https://openairdocs.org/sdr/04230201), Apr 23, 2002: BUSHING. FAILED. COUNTER WEIGHT BUSHINGS P/N SL73810 HAVE FAILED AT 2 TO 250 HOURS. IT APPEARS THAT THE MATERIAL MAY BE TOO SOFT. BUSHINGS WERE REMOVED BY OPERATOR AND SENT BACK - [SDR CVU2002F00001](https://openairdocs.org/sdr/CVU2002F00001), Dec 20, 2001: PUMP. FAILED. VACUUM PUMP, PUMP FAILED UNDER NORMAL OPERATING CONDITIONS. ## STCs that may be installed (OpenAirDocs) (32) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc. Lists IO-720-A1A - [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists IO-720-A1A - [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc. Lists IO-720-A1A - [STC SE51WE](https://openairdocs.org/stc/SE51WE): Installation of two (2) Roto-Master (Rajay) P/N 600573-00 (RJ0326, RJ0326-1) or 600576-00 (RJ0326-2) (or any combination thereof) Turbochargers. TALCO Aviation. Lists IO-720-A1A - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists IO-720-A1A - [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists IO-720-A1A - [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles. General Aviation Modifications Inc - [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. Lists IO-720-A1A - [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc - [STC SE7506SW](https://openairdocs.org/stc/SE7506SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FFA approved revision. Continental Motors, Inc - [STC SE7670SW](https://openairdocs.org/stc/SE7670SW): Installation of parts listed on Drawing List No. 8810-3, Rev 6. Continental Motors, Inc - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc - [STC SE00226NY](https://openairdocs.org/stc/SE00226NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. Hartzell Engine Technologies, LLC. Lists IO-720-A1A - [STC SE2902NM](https://openairdocs.org/stc/SE2902NM): Lycoming valve cover gasket. Real Gaskets Tennessee. Lists IO-720-A1A - [STC SE7582SW](https://openairdocs.org/stc/SE7582SW): Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring. Superior Air Parts, Inc. Lists IO-720-A1A - [STC SE02436AT](https://openairdocs.org/stc/SE02436AT): Installation of 200F series fuel pump assembly. Kelly Aerospace Energy Systems LLC. Lists IO-720-A1A - [STC SE02555AT](https://openairdocs.org/stc/SE02555AT): Consolidated Fuel Systems 201F series fuel pump assembly on various Textron Lycoming engine models. Kelly Aerospace Energy Systems LLC. Lists IO-720-A1A - [STC SE62WE](https://openairdocs.org/stc/SE62WE): Installation of two Rajay turbo- chargers, P/N RJ 0326 or -1 or -2. RPM Commander LLC. Lists IO-720-B1B - [STC SE707GL](https://openairdocs.org/stc/SE707GL): Installation of a fuel flow transducer. Shadin Avionics. Lists IO-720-A1A - [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc. Lists IO-720-A1A - [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc. Lists IO-720-A1A - [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists IO-720-A1A - [STC SE00299WI](https://openairdocs.org/stc/SE00299WI): Installation of B & C Specialty Products lightweight (10.2 pounds) engine starter P/N BC315-100-1(12 volts) or P/N BC 315-100-3(24 volts). Bainbridge William C III - [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co - [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL - [STC SE63WE](https://openairdocs.org/stc/SE63WE): Installation of starter ring gear support assembly. Adler Neil J. Lists IO-720-A1A - [STC SE163SO](https://openairdocs.org/stc/SE163SO): Two Rajay trubochargers 325E10. Riley Intl Corp. Lists IO-720-A1A - [STC SE205SO](https://openairdocs.org/stc/SE205SO): Two Rajay trubochargers 325H10. Riley Intl Corp. Lists IO-720-A1A --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.