# Pratt & Whitney R-1340-AN-1 - Type: Engine model (FAA registry) - Registry code: 51612 - Manufacturer (registry): P & W - Model: R-1340-AN-1 - Engine type: Reciprocating - Power: 550 hp - Installed in: 64 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-r-1340-an-1 Model codes come from the FAA registry's reference file. ## 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. None matched. ## Registered aircraft (64, first 50) - [N101JG](https://openairdocs.org/aircraft/N101JG): [Gibbs Bradley E](https://openairdocs.org/faa-owner/GIBBS%20BRADLEY%20E), [Camden, SC](https://openairdocs.org/faa-place/SC/Camden), built 1944, S/N 90906 - [N103LT](https://openairdocs.org/aircraft/N103LT): [American Airpower Heritage Flying Museum](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLYING%20MUSEUM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1943, S/N 88-12097 - [N1387N](https://openairdocs.org/aircraft/N1387N): [Harvard Preservation Group LLC](https://openairdocs.org/faa-owner/HARVARD%20PRESERVATION%20GROUP%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), S/N CCF4-47 - [N147FG](https://openairdocs.org/aircraft/N147FG): [Harco Aviation LLC](https://openairdocs.org/faa-owner/HARCO%20AVIATION%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), S/N 112316 - [N147KG](https://openairdocs.org/aircraft/N147KG): [Grasso Kurt D](https://openairdocs.org/faa-owner/GRASSO%20KURT%20D), [Bridgeton, NJ](https://openairdocs.org/faa-place/NJ/Bridgeton), built 2017, S/N KG1951 - [N164TA](https://openairdocs.org/aircraft/N164TA): [Thompson Aero Inc](https://openairdocs.org/faa-owner/THOMPSON%20AERO%20INC), [Amana, IA](https://openairdocs.org/faa-place/IA/Amana), built 1980, S/N 651B - [N164UC](https://openairdocs.org/aircraft/N164UC): [Legacy Flight Museum](https://openairdocs.org/faa-owner/LEGACY%20FLIGHT%20MUSEUM), [Rexburg, ID](https://openairdocs.org/faa-place/ID/Rexburg), built 1942, S/N 224 - [N2039C](https://openairdocs.org/aircraft/N2039C): [Helm Flying Service Inc](https://openairdocs.org/faa-owner/HELM%20FLYING%20SERVICE%20INC), [Casselton, ND](https://openairdocs.org/faa-place/ND/Casselton), built 1943, S/N 88-12048 - [N210TU](https://openairdocs.org/aircraft/N210TU): [White James V](https://openairdocs.org/faa-owner/WHITE%20JAMES%20V), [Prescott, AZ](https://openairdocs.org/faa-place/AZ/Prescott), S/N U-210 - [N2269U](https://openairdocs.org/aircraft/N2269U): [Clemens Amy T](https://openairdocs.org/faa-owner/CLEMENS%20AMY%20T), [Yuba City, CA](https://openairdocs.org/faa-place/CA/Yuba%20City), S/N 88-12850 - [N23257](https://openairdocs.org/aircraft/N23257): [Phoenix Equipment Lc](https://openairdocs.org/faa-owner/PHOENIX%20EQUIPMENT%20LC), [Nickerson, KS](https://openairdocs.org/faa-place/KS/Nickerson), S/N 301-0371 - [N26PX](https://openairdocs.org/aircraft/N26PX): [Tsi Holdco Inc](https://openairdocs.org/faa-owner/TSI%20HOLDCO%20INC), [Virginia Beach, VA](https://openairdocs.org/faa-place/VA/Virginia%20Beach), built 2006, S/N 32-06 - [N2757](https://openairdocs.org/aircraft/N2757): [Evergreen Flying Service Inc](https://openairdocs.org/faa-owner/EVERGREEN%20FLYING%20SERVICE%20INC), [Rayville, LA](https://openairdocs.org/faa-place/LA/Rayville), built 1941, S/N 66-2490 - [N27585](https://openairdocs.org/aircraft/N27585): [American Airpower Heritage Fly Musm](https://openairdocs.org/faa-owner/AMERICAN%20AIRPOWER%20HERITAGE%20FLY%20MUSM), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1943, S/N 88-13041 - [N279SQ](https://openairdocs.org/aircraft/N279SQ): [Brutlag Farms Inc](https://openairdocs.org/faa-owner/BRUTLAG%20FARMS%20INC), [Wendell, MN](https://openairdocs.org/faa-place/MN/Wendell), built 1950, S/N 50-1279 - [N2832V](https://openairdocs.org/aircraft/N2832V): [N2832v LLC](https://openairdocs.org/faa-owner/N2832V%20LLC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1952, S/N 493371 - [N287AM](https://openairdocs.org/aircraft/N287AM): [Dowd John J Jr](https://openairdocs.org/faa-owner/DOWD%20JOHN%20J%20JR), [Syracuse, KS](https://openairdocs.org/faa-place/KS/Syracuse), built 1951, S/N 20218 - [N2897G](https://openairdocs.org/aircraft/N2897G): [Six Cat Racing Inc](https://openairdocs.org/faa-owner/SIX%20CAT%20RACING%20INC), [Tulelake, CA](https://openairdocs.org/faa-place/CA/Tulelake), built 1959, S/N 49-3492 - [N301DK](https://openairdocs.org/aircraft/N301DK): [Petersen Dakota D](https://openairdocs.org/faa-owner/PETERSEN%20DAKOTA%20D), [Kenmare, ND](https://openairdocs.org/faa-place/ND/Kenmare), S/N 3010644 - [N30WF](https://openairdocs.org/aircraft/N30WF): [Peleliu LLC Series At-6](https://openairdocs.org/faa-owner/PELELIU%20LLC%20SERIES%20AT-6), [Pipe Creek, TX](https://openairdocs.org/faa-place/TX/Pipe%20Creek), built 1951, S/N 51-15007 - [N3171P](https://openairdocs.org/aircraft/N3171P): [Stinnett Joel B](https://openairdocs.org/faa-owner/STINNETT%20JOEL%20B), [Broken Arrow, OK](https://openairdocs.org/faa-place/OK/Broken%20Arrow), built 1943, S/N 88-12553 - [N3405](https://openairdocs.org/aircraft/N3405): [Yellow Canuck LLC](https://openairdocs.org/faa-owner/YELLOW%20CANUCK%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1952, S/N CCF4-196 - [N401BM](https://openairdocs.org/aircraft/N401BM): [Bart'S Flying Service Inc](https://openairdocs.org/faa-owner/BART'S%20FLYING%20SERVICE%20INC), [Storm Lake, IA](https://openairdocs.org/faa-place/IA/Storm%20Lake), built 1992, S/N 401-0853 - [N4086T](https://openairdocs.org/aircraft/N4086T): [Palm Springs Air Museum Inc](https://openairdocs.org/faa-owner/PALM%20SPRINGS%20AIR%20MUSEUM%20INC), [Palm Springs, CA](https://openairdocs.org/faa-place/CA/Palm%20Springs), built 1944, S/N 42-86068 - [N409BR](https://openairdocs.org/aircraft/N409BR): [Mehling Robert C](https://openairdocs.org/faa-owner/MEHLING%20ROBERT%20C), [Hardin, MT](https://openairdocs.org/faa-place/MT/Hardin), S/N 4010909 - [N410X](https://openairdocs.org/aircraft/N410X): [Bas Part Sales LLC](https://openairdocs.org/faa-owner/BAS%20PART%20SALES%20LLC), [Greeley, CO](https://openairdocs.org/faa-place/CO/Greeley), built 1969, S/N 631 - [N42897](https://openairdocs.org/aircraft/N42897): [Gold Coast Warbird Adventures Inc](https://openairdocs.org/faa-owner/GOLD%20COAST%20WARBIRD%20ADVENTURES%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1944, S/N 42-84211 - [N432DA](https://openairdocs.org/aircraft/N432DA): [Bob Donner Enterprises LLC](https://openairdocs.org/faa-owner/BOB%20DONNER%20ENTERPRISES%20LLC), [Belview, MN](https://openairdocs.org/faa-place/MN/Belview), built 1997, S/N 401B-1029 - [N4401S](https://openairdocs.org/aircraft/N4401S): [Silver Wings Flying Company LLC](https://openairdocs.org/faa-owner/SILVER%20WINGS%20FLYING%20COMPANY%20LLC), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1975, S/N 301-0061 - [N4749C](https://openairdocs.org/aircraft/N4749C): [Afeman Steven D](https://openairdocs.org/faa-owner/AFEMAN%20STEVEN%20D), [Mckinney, TX](https://openairdocs.org/faa-place/TX/Mckinney), built 1944, S/N 88-18078 - [N495MK](https://openairdocs.org/aircraft/N495MK): [Kilo Kilo LLC](https://openairdocs.org/faa-owner/KILO%20KILO%20LLC), [Wausau, WI](https://openairdocs.org/faa-place/WI/Wausau), built 1943, S/N 88-13132 - [N510SS](https://openairdocs.org/aircraft/N510SS): [Precision Ag Air LLC](https://openairdocs.org/faa-owner/PRECISION%20AG%20AIR%20LLC), [Pendleton, IN](https://openairdocs.org/faa-place/IN/Pendleton), built 1972, S/N 1635R - [N5149](https://openairdocs.org/aircraft/N5149): [Rock Creek Leasing LLC](https://openairdocs.org/faa-owner/ROCK%20CREEK%20LEASING%20LLC), [Sapulpa, OK](https://openairdocs.org/faa-place/OK/Sapulpa), built 1973, S/N 1123 - [N518WW](https://openairdocs.org/aircraft/N518WW): [Maid Marion LLC](https://openairdocs.org/faa-owner/MAID%20MARION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 51868 - [N51WR](https://openairdocs.org/aircraft/N51WR): [Taylor Aaron L](https://openairdocs.org/faa-owner/TAYLOR%20AARON%20L), [Salado, TX](https://openairdocs.org/faa-place/TX/Salado), S/N 75-3660 - [N52419](https://openairdocs.org/aircraft/N52419): [Garrett David](https://openairdocs.org/faa-owner/GARRETT%20DAVID), [Polson, MT](https://openairdocs.org/faa-place/MT/Polson), built 1951, S/N 49-3179 - [N540GM](https://openairdocs.org/aircraft/N540GM): [Martin Guy E](https://openairdocs.org/faa-owner/MARTIN%20GUY%20E), [Brookings, OR](https://openairdocs.org/faa-place/OR/Brookings), built 1944, S/N 88-9141 - [N542PJ](https://openairdocs.org/aircraft/N542PJ): [Pj Aviation Holding LLC Trustee](https://openairdocs.org/faa-owner/PJ%20AVIATION%20HOLDING%20LLC%20TRUSTEE), [South Jordan, UT](https://openairdocs.org/faa-place/UT/South%20Jordan), built 1953, S/N CCF-4-542 - [N544NR](https://openairdocs.org/aircraft/N544NR): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 1943, S/N 88-12821 - [N54EZ](https://openairdocs.org/aircraft/N54EZ): [Zavala Edward R](https://openairdocs.org/faa-owner/ZAVALA%20EDWARD%20R), [Tahoka, TX](https://openairdocs.org/faa-place/TX/Tahoka), built 1975, S/N 1597 - [N5615C](https://openairdocs.org/aircraft/N5615C): [Wahl Chuck](https://openairdocs.org/faa-owner/WAHL%20CHUCK), [Cameron Park, CA](https://openairdocs.org/faa-place/CA/Cameron%20Park), built 1944, S/N 90656 - [N565JH](https://openairdocs.org/aircraft/N565JH): [Jaymatt Aviation LLC](https://openairdocs.org/faa-owner/JAYMATT%20AVIATION%20LLC), [Luthersville, GA](https://openairdocs.org/faa-place/GA/Luthersville), built 1954, S/N CCF4-206 - [N56867](https://openairdocs.org/aircraft/N56867): [Mid Atlantic Air Museum](https://openairdocs.org/faa-owner/MID%20ATLANTIC%20AIR%20MUSEUM), [Reading, PA](https://openairdocs.org/faa-place/PA/Reading), built 1945, S/N 79-1220 - [N623DC](https://openairdocs.org/aircraft/N623DC): [Henshaw Richard L Jr](https://openairdocs.org/faa-owner/HENSHAW%20RICHARD%20L%20JR), [N Prince George, VA](https://openairdocs.org/faa-place/VA/N%20Prince%20George), built 1943, S/N 881516 - [N665C](https://openairdocs.org/aircraft/N665C): [Falley Patrick R](https://openairdocs.org/faa-owner/FALLEY%20PATRICK%20R), [Encinitas, CA](https://openairdocs.org/faa-place/CA/Encinitas), built 1944, S/N 90665 - [N696RE](https://openairdocs.org/aircraft/N696RE): [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1943, S/N 8813651 - [N700TS](https://openairdocs.org/aircraft/N700TS): [Condor LLC](https://openairdocs.org/faa-owner/CONDOR%20LLC), [Ponte Vedra Beach, FL](https://openairdocs.org/faa-place/FL/Ponte%20Vedra%20Beach), built 1942, S/N 42-86053 - [N706AW](https://openairdocs.org/aircraft/N706AW): [Mcdonnel Jack E Jr](https://openairdocs.org/faa-owner/MCDONNEL%20JACK%20E%20JR), [Woodsboro, TX](https://openairdocs.org/faa-place/TX/Woodsboro), built 1944, S/N 91051 - [N70AF](https://openairdocs.org/aircraft/N70AF): [N70af LLC](https://openairdocs.org/faa-owner/N70AF%20LLC), [Ord, NE](https://openairdocs.org/faa-place/NE/Ord), built 1979, S/N 2547R - [N714AW](https://openairdocs.org/aircraft/N714AW): [N714aw LLC](https://openairdocs.org/faa-owner/N714AW%20LLC), [Granite Falls, MN](https://openairdocs.org/faa-place/MN/Granite%20Falls), built 1943, S/N 27234 All 64: https://openairdocs.org/engine/pratt-whitney-r-1340-an-1/aircraft.md ## NTSB investigations (15) 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 WPR23FA345](https://openairdocs.org/ntsb/WPR23FA345), Sep 17, 2023: North American T-6G (N2897G), Reno, NV, substantial damage, 2 fatal. Probable cause: The failure of both the Race 14 and Race 6 pilots to see and avoid each other while in the airport traffic pattern. Contributing to the accident was both pilots’ failure to fly the standard downwind… - [NTSB CEN18LA356](https://openairdocs.org/ntsb/CEN18LA356), Aug 29, 2018: Air Tractor AT 301 (N3164K), Partridge, KS, substantial damage. Probable cause: The total loss of engine power for reasons that could not be determined based on the available evidence. - [NTSB GAA18CA383](https://openairdocs.org/ntsb/GAA18CA383), Jun 27, 2018: Grumman Acft ENG Cor-Schweizer G 164 (N151QC), Malin, OR, substantial damage. Probable cause: The pilot’s misjudgment of the approach and his subsequent exceedance of the airplane’s critical angle of attack during an agricultural application flight, which resulted in an aerodynamic stall and… - [NTSB CEN17LA323](https://openairdocs.org/ntsb/CEN17LA323), Aug 12, 2017: North American SNJ-4 (N243CC), Ashland, OH, substantial damage. Probable cause: The pilot’s improper recovery from a bounced landing, which resulted in a loss of directional control. - [NTSB WPR16FA087](https://openairdocs.org/ntsb/WPR16FA087), Mar 23, 2016: North American AT 6A (N7055D), Astoria, OR, destroyed, 2 fatal. Probable cause: The pilot's loss of aircraft control during a low-altitude ash dispersal maneuver. Contributing to the accident was his degraded performance due to his medical conditions. - [NTSB ERA14CA238](https://openairdocs.org/ntsb/ERA14CA238), May 9, 2014: North American AT6 - C (N164EW), Roxbury, NY, substantial damage. Probable cause: The pilot's failure to maintain adequate obstacle clearance, which resulted in the inflight collision with a power line. - [NTSB CEN13LA265](https://openairdocs.org/ntsb/CEN13LA265), May 8, 2013: Air Tractor AT-301 (N23257), Lyons, KS, substantial damage. Probable cause: The pilot's diverted attention after the door hinge failed and a piece of door glass struck the pilot, resulting in the airplane's descent into the crops and impact with terrain. - [NTSB CEN13LA157](https://openairdocs.org/ntsb/CEN13LA157), Feb 8, 2013: North American-Medore SNJ-4 (N2269U), Garden City, TX, substantial damage. Probable cause: The loss of engine power due to fuel starvation. - [NTSB CEN11CA637](https://openairdocs.org/ntsb/CEN11CA637), Sep 1, 2011: Aero Commander S2R (N8962Q), Park Rapids, MN, substantial damage. Probable cause: The loss of engine power for undetermined reasons. - [NTSB WPR10LA122](https://openairdocs.org/ntsb/WPR10LA122), Jan 30, 2010: Grumman Acft ENG Cor-Schweizer G-164B (N6799K), Pullman, WA, substantial damage. Probable cause: A partial loss of engine power during takeoff due to a bird's nest being sucked into the induction air ducting. - [NTSB DFW08CA146](https://openairdocs.org/ntsb/DFW08CA146), May 16, 2008: Air Tractor 401-0860 (N15420), Mumford, TX, substantial damage. Probable cause: A total loss of engine power for undetermined reasons. - [NTSB DFW06CA158](https://openairdocs.org/ntsb/DFW06CA158), Jun 1, 2006: Ayres S2R-600 (N70AF), Childress, TX, substantial damage. Probable cause: The pilot's inability to maintain directional control while landing due to the failure of the rudder horn due to corrosion. - [NTSB CHI05CA185](https://openairdocs.org/ntsb/CHI05CA185), Jul 14, 2005: Aero Commander S2R (N8962Q), Walnut, IL, substantial damage. Probable cause: Fuel exhaustion due to the pilot's inadequate in-flight planning/decision. A contributing factor was the corn field. - [NTSB FTW85LA298](https://openairdocs.org/ntsb/FTW85LA298), Jul 25, 1985: Air Tractor AT301 (N23257), Bonita, LA, substantial damage - [NTSB FTW78DPG61](https://openairdocs.org/ntsb/FTW78DPG61), Jul 13, 1978: Grumman G-164A (N8555H), Trumann, AR, substantial damage ## FAA accident and incident reports (31) 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 20230917016462A](https://openairdocs.org/incident/20230917016462A), Sep 17, 2023: North American T-6G (N2897G), Reno, NV, Destroyed, 1 fatal. During landing pattern, aircraft 2 was positioned on a left base for rwy 8 with landing gear down. Aircraft 2 had made a radio call declaring his position in… - [Incident 20230714015359I](https://openairdocs.org/incident/20230714015359I), Jul 14, 2023: North American SNJ-5C (N518WW), Ballston Spa, NY, Minor damage. During touchdown of the aircraft, the gear did not lock in the down position causing minor damage to the aircraft. No evidence of equipment failure was… - [Incident 20190829011659I](https://openairdocs.org/incident/20190829011659I), Aug 29, 2019: North American AT-6D (N700TS), St Augustine, FL, No damage. On a local VFR flight from kfin to ksgj, landing on runway 31 of Ksgj airman experienced a bounce of the aircraft while attempting a full Stall landing. During… - [Accident 20180829012519A](https://openairdocs.org/incident/20180829012519A), Aug 29, 2018: Air Tractor Inc AT-301 (N3164K), Partridge, KS, Substantial damage. At cruise with hopper empty, aircraft engine failed. Pilot used wobble pump and revived the engine twice for a few seconds. Then not enough altitude. Pilot… - [Accident 20180627015749A](https://openairdocs.org/incident/20180627015749A), Jun 27, 2018: Grumman Acft Eng Cor-Schweizer G-164B (N151QC), Malin, OR, Substantial damage. Aircraft was spraying a agricultural field near Malin or. Pilot states that during a maneuver to return to the field pilot hit power lines and aircraft crashed. - [Accident 20170812012479A](https://openairdocs.org/incident/20170812012479A), Aug 12, 2017: North American SNJ-4 (N243CC), Ashland, OH, Substantial damage. Normal standard pre-flight. Full fuel, normal run up, take off. Approximately 15-20 VFR flight from akr to 3G4, approach standard. Landing planned to be… - [Accident 20160323002589A](https://openairdocs.org/incident/20160323002589A), Mar 23, 2016: North American AT-6A (N7055D), Astoria, OR, Substantial damage, 2 fatal. On a flight for the reported purpose of scattering the passengers deceased husbands ashes, the aircraft, according to eyewitness accounts, made a slow left… - [Accident 20140509010939A](https://openairdocs.org/incident/20140509010939A), May 9, 2014: North American AT-6C (N164EW), Roxbury, NY, Substantial damage. Pilot was attempting to land on a grass strip at the Roxbury, NY airport due to deteriorating weather. The pilot stated that upon touching down, he realized… - [Accident 20130508018039A](https://openairdocs.org/incident/20130508018039A), May 8, 2013: Air Tractor Inc AT-301 (N23257), Lyons, KS, Substantial damage. The pilot was entering the field from the west to begin a spraying run. As he was leveling off the right cockpit door opened, startling the pilot. The… - [Accident 20130208002069A](https://openairdocs.org/incident/20130208002069A), Feb 8, 2013: North American-Medore SNJ-4 (N2269U), Garden City, TX, Substantial damage. Pilot was in-route from bernie stage field in san antonio returning the SNJ-4 to midland airpark (mdd) after repairs were made to the fuel system. Cruising at… - [Accident 20110901021229A](https://openairdocs.org/incident/20110901021229A), Sep 1, 2011: Aero Commander S2R (N8962Q), Park Rapids, MN, Destroyed. While returning to pkd after aerial aplication, the aircraft experienced RPM loss. Unable to maintain altitude the pilot executed an emergency landing on a… - [Incident 20110807016429I](https://openairdocs.org/incident/20110807016429I), Aug 7, 2011: North American SNJ-6 (N147FG), Des Moines, IA, No damage. Airman flew the aircraft from mason city, IA, enroute to land in Des Moines (dsm), on the day of the incident. Weather was VFR, with light winds and a slight… - [Accident 20100130026489A](https://openairdocs.org/incident/20100130026489A), Jan 30, 2010: Grumman Acf G-164B (N6799K), Pullman, WA, Substantial damage. Pilot departed runway 23 Pullman airport, Pullman, WA on a ferry permit for a flight to American falls, ID. At approximately 150 feet AGL the aircraft started… - [Accident 20080517836149A](https://openairdocs.org/incident/20080517836149A), May 17, 2008: Airtrc AT401 (N15420), Mumford, TX, Substantial damage. (-23) The pilot was in the top of a turn when the engine started shaking real bad and was losing power. Pilot scanned engine instruments and noticed the chip… - [Incident 20060909019909I](https://openairdocs.org/incident/20060909019909I), Sep 9, 2006: Namer T6G (N8540U), Tulsa, OK, Minor damage. (-23) On September 9, 2006, N8540U, a north American T-6G, piloted by [privacy data omitted] sustained minor damage when it was landed at Tulsa International… - [Accident 20060602008779A](https://openairdocs.org/incident/20060602008779A), Jun 2, 2006: Ayres S2R600 (N70AF), Childress, TX, Substantial damage. (-23) On June 2, 2006, N70AF, an Ayres model S2R turbine airplane, serial number 2547R, departed the dan e richards municipal airport at paducah, Texas and… - [Accident 20050714023849A](https://openairdocs.org/incident/20050714023849A), Jul 14, 2005: Ayres S2R (N8962Q), Walnut, IL, Substantial damage. (-23) Upon returning from an aerial spray, the pilot [privacy data omitted] stated his fuel guages were at 1/4 each when the engine failed. He attempted to… - [Incident 20010607013219I](https://openairdocs.org/incident/20010607013219I), Jun 7, 2001: Scwzer G164B (N6799K), Sweetwater, ID, Minor damage. (-23) While executing an agricultural spray run, pilot struck a power line drop with right wing. - [Accident 19980227007459A](https://openairdocs.org/incident/19980227007459A), Feb 27, 1998: Airtrc AT301 (N8828S), Woodland, CA, Substantial damage. On February 26, 1998, at 1432 hours pacific standard time, an air tractor 301-300, N8828S, lost engine power and nosed over during a subsequent forced landing… - [Incident 19970901034309I](https://openairdocs.org/incident/19970901034309I), Sep 1, 1997: N210TU, Sanford, NC, Minor damage. Narrative: the pilot (Mr. Ford) stated that he departed Virginia as an element of a flight of three. All three aircraft had participated at an air show in… - [Incident 19920806029799I](https://openairdocs.org/incident/19920806029799I), Aug 6, 1992: Airtrc AT301 (N3660A), Dumas, AR, Minor damage. Failed to obtain takeoff speed from airstrip during aerial application. - [Incident 19910903047439I](https://openairdocs.org/incident/19910903047439I), Sep 3, 1991: Scwzer G164A (N8555H), Zellwood, FL, Minor damage. On banner pickup pass banner became entangled with landing gear. Banner caught in tree and aircraft flipped over. - [Incident 19901115057549I](https://openairdocs.org/incident/19901115057549I), Nov 15, 1990: Boeing A75N1 (N51WR), Las Vegas, NV, Minor damage. Aircraft veered left on landing. Left wheel ran off the runway. Ground looped. - [Incident 19880526032739I](https://openairdocs.org/incident/19880526032739I), May 26, 1988: Scwzer G164B (N5149), Yuma, AZ, Minor damage. Encountered downwash from a nearby helicopter after liftoff. Wake forced aircraft to a hard ground impact. - [Incident 19870614039919I](https://openairdocs.org/incident/19870614039919I), Jun 14, 1987: Scwzer G164A (N8555H), Orlando, FL. Banner started rolling on base leg for drop. Cable snapped and banner fell to the ground near airport. - [Incident 19870408016799I](https://openairdocs.org/incident/19870408016799I), Apr 8, 1987: Scwzer G164A (N8555H), Maitland, FL. Banner separated during tow operation. A portion of the banner fell on parked cars in a lot. - [Incident 19870404040729I](https://openairdocs.org/incident/19870404040729I), Apr 4, 1987: Cvac BT13B (N56867), Deming, NM. Forced landing on highway after propeller oil seal blew out. - [Accident 19850725070509A](https://openairdocs.org/incident/19850725070509A), Jul 25, 1985: Airtrc AT301 (N23257), Bonita, LA, Substantial damage. During tandem takeoff encountered wake turbulance. Aircraft settled to ground and flipped over. - [Incident 19840616031859I](https://openairdocs.org/incident/19840616031859I), Jun 16, 1984: Airtrc AT301 (N8828S), Brentwood, CA, Minor damage. Caught outer wing spray boom in tall weeds while landing. Aircraft ended in ditch. - [Incident 19820220005239I](https://openairdocs.org/incident/19820220005239I), Feb 20, 1982: Airtrc AT301 (N8828S), Tracy, CA. Engine failed on ag operation. Landed on a road. Magneto bearing failure. - [Accident 19780713016009A](https://openairdocs.org/incident/19780713016009A), Jul 13, 1978: Gulstm G164A (N8555H), Trumann, AR, Substantial damage. Lndd with flat tire. ## Service difficulty reports (94, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2015FA0000345](https://openairdocs.org/sdr/2015FA0000345), Jul 27, 2015: INDICATOR. FALSE INDICATION. FUEL GAUGE WAS SHOWING MORE FUEL THEN WAS IN THE FUEL TANK. - [SDR CA150112016](https://openairdocs.org/sdr/CA150112016), Jan 10, 2015: SPAR. CRACKED. (CAN) DURING ANNUAL INSPECTION CRACKS ON BOTH HORIZONTAL STABILIZER SPARS WERE FOUND CRACKED JUST OUTBOARD OF THE ATTACH BOLTS. - [SDR CA140107008](https://openairdocs.org/sdr/CA140107008), Jan 7, 2014: BEARING. WORN. (CAN) WHILE CARRYING OUT VALVE CLEARANCE INSPECTION, THE EXHAUST VALVE ROCKER ARM ON THE NR 7 CYLINDER WAS FOUND WITH EXCESSIVE PLAY BOTH RADIALLY AND AXIALLY. - [SDR 2011FA0000733](https://openairdocs.org/sdr/2011FA0000733), Sep 26, 2011: PUSHROD. FAILED. AN EXHAUST PUSH ROD WAS FOUND TO HAVE FAILED. THE PUSH ROD BROKE ADJACENT TO TAPPET. IT WAS FOUND THAT SB 1722 HAD NOT BEEN COMPLIED WITH. THE SB RECOMMENDS SHO - [SDR SWP2009F00000](https://openairdocs.org/sdr/SWP2009F00000), Jun 19, 2009: CONNECTING ROD. BROKEN. ON JUNE 12, 2009 NR 3 CONNECTING ROD BROKE CAUSING NR 3 CYL TO SEPARATE COMPLETELY FROM ENGINE. ACFT LANDED IN AN ALFALFA FIELD. ACFT DID NOT SUSTAIN ANY DAMAGE - [SDR 2009FA0000394](https://openairdocs.org/sdr/2009FA0000394), May 11, 2009: CYLINDER HEAD. CRACKED. AFTER LOADING UP WITH RICE THE ACFT WAS TAKING OFF WHEN THE PILOT REPORTED A LOUD BANG AND THE ENGINE LOST POWER. THE PILOT DUMPED HIS LOAD AND MADE AN EMERGENC - [SDR 2009FA0000197](https://openairdocs.org/sdr/2009FA0000197), Mar 9, 2009: SHAFT. SHEARED. AT THE TRANSITION FROM DECENT TO LEVEL FLIGHT ON A SEEDING PASS, PROP RPM WAS INCREASED AND A VIBRATION WAS FELT. AS THE THROTTLE WAS ADVANCED THE VIBRATION INC - [SDR 2009FA0000047](https://openairdocs.org/sdr/2009FA0000047), Feb 2, 2009: ENGINE. MAKING METAL. DURING CERTIFICATION TEST FLIGHT, ENGINE OIL PRESSURE BEGAN TO DROP WITH AN INCREASE IN TEMPERATURE. AN UNEVENTFUL PRECAUTIONARY LANDING AT A LOCAL AGRICULTURAL - [SDR MWR2008F00000](https://openairdocs.org/sdr/MWR2008F00000), May 13, 2008: CYLINDER. CRACKED. MADE AN EMERGENCY LANDING FOLLOWING AN IN-FLIGHT LOSS OF ENG PWR. LANDED IN A FIELD APPROX .7500 MILE FROM APPROACH END OF AIRPORT. POST INCIDENT INSP REVEALED - [SDR CA071029003](https://openairdocs.org/sdr/CA071029003), Oct 19, 2007: CYLINDER. CRACKED. (CAN) PILOT REPORTED FAILURE OF ENGINE TO MAINTAIN FULL POWER AT THE TAKEOFF SETTING. AIRCRAFT RETURNED TO THE RAMP. COMPRESSION TEST REVEALED CYLINDER NR 7, WA - [SDR 2007FA0000681](https://openairdocs.org/sdr/2007FA0000681), Jul 31, 2007: SEAL. LEAKING. DISASSEMBLY OF THE ENGINE AND OR REAR SECTION AFTER CUSTOMERS REPORTED SMOKING AND INCREASE IN OIL CONSUMPTION. DURING THE DISASSEMBLY IT WAS FOUND THAT BLOWER - [SDR 2007FA0000727](https://openairdocs.org/sdr/2007FA0000727), Jun 20, 2007: BLADE. BROKEN. (9 INCHES) OF PROP BLADE BROKE OFF IN FLIGHT. THE SEVERE VIBRATION CAUSED PILOT TO LAND IN MUDDY FIELD. AIRCRAFT WAS TOTALED. (K) - [SDR 2007FA0000585](https://openairdocs.org/sdr/2007FA0000585), May 7, 2007: BOLT. BROKEN. THE BOLTS FAILED DUE TO LANDING WITH WHEEL LOCKED. THINK THE BOLTS WERE FINE BEFORE THIS INCIDENT. (K) - [SDR 2007FA0000311](https://openairdocs.org/sdr/2007FA0000311), Mar 5, 2007: REGULATOR. STUCK. THE PRESSURE REGULATOR (IN THE WOBBLE PUMP) STUCK IN THE (BYPASS) POSITION CAUSING LOSS OF FUEL PRESSURE AND POWER LOSS DUE TO LACK OF FUEL. - [SDR AU510001535](https://openairdocs.org/sdr/AU510001535), Dec 12, 2005: ATTACH FITTING. CRACKED. EDDY CURRENT INSPECTION OF WING ATTACHMENT FITTINGS FOUND CRACK INDICATIONS. FURTHER TESTING USING FLUORESCENT PENETRATION FAILED TO DETECT THE CRACK. FOUND DUR - [SDR AU510001922](https://openairdocs.org/sdr/AU510001922), Dec 12, 2005: ANGLE. CORRODED. (AUS) WING LT UPPER ANGLE CORRODED IN 2 BOLT HOLES. FOUND DURING INSPECTION IAW WS-622-REV1.0.(OTHER CAUSE: AGE ) (CASA NR 510001922) - [SDR CA051128006](https://openairdocs.org/sdr/CA051128006), Nov 1, 2005: ATTACH FITTING. UNKNOWN. (CAN) COMPLY WITH CF 2005-19, NO CRACKS FOUND. REFER TO FILE FOR COPY OF EMAIL INDICATING COMPLIANCE BY AIRCRAFT OWNER. - [SDR CA050707004](https://openairdocs.org/sdr/CA050707004), Jun 25, 2005: CYLINDER HEAD. SEPARATED. (CAN) CYLINDER HEAD SEPARATED FROM BARREL JUST BELOW SPARK PLUG HOLES. - [SDR 2005FA0000934](https://openairdocs.org/sdr/2005FA0000934), Jun 21, 2005: CRANKSHAFT. CRACKED. THE CRANK PIN OF THE REAR HALF CRACKED FROM THE CRANK PIN RADIUS THRU TO THE REAR MAIN BEARING RADIUS. AFTER CLEANING AND CLOSE EXAMINATION, IT IS OUR OPINION T - [SDR 2005FA0000453](https://openairdocs.org/sdr/2005FA0000453), Mar 14, 2005: CRANKSHAFT. CRACKED. DURING THE OVERHAUL PROCESS, THE FLYWEIGHT LINERS WERE REMOVED AND THE REAR HALF OF THE CRANKSHAFT WAS MAGNETIC PARTICLE INSPECTED. DURING THIS INSPECTION IT WA - [SDR CA040915005](https://openairdocs.org/sdr/CA040915005), Sep 15, 2004: CYLINDER. CRACKED. (CAN) CYLINDER EXHAUST VALVE EAR BROKEN OFF. CRACK INITIATED FROM THE ROCKER SHAFT BUSHING AREA AND CRACKED AROUND TO OPPOSITE SIDE. COMPLETE TOP CAME OFF FROM - [SDR 2004FA0000535](https://openairdocs.org/sdr/2004FA0000535), Jun 23, 2004: BOLT. SHEARED. AIRCRAFT WAS LOADED WITH 1600LBS OF FERTILIZER AND WAS TAKING OFF TO THE SOUTH ON A DIRT RUNWAY. PILOT WAS APPROACHING 65 MPH, WHEN THE RT MAIN WHEEL AND TIRE S - [SDR CA040628001](https://openairdocs.org/sdr/CA040628001), Jun 16, 2004: ENGINE. FAILED. (CAN) ENGINE SEIZED IN CRUISE FLIGHT. CASE BROKEN. - [SDR 2004FA0000784](https://openairdocs.org/sdr/2004FA0000784), May 15, 2004: CRANKSHAFT. CRACKED. AC WAS ON FERRY FLIGHT, PILOT REPORTED GETTING OIL ON WINDSHIELD. OIL BEGAN TO GET WORSE; REDUCED POWER, AC STARTED VIBRATING SEVERELY. POWER WAS REDUCED FURTHE - [SDR CP22004F00000](https://openairdocs.org/sdr/CP22004F00000), Mar 31, 2004: CYLINDER DAMPER. CRACKED. A CRACK STARTED AT EXHAUST VALVE ROCKER SHAFT BUSHING AND PROCEEDED AROUND THE FRONT SIDE OF ROCKER BOX CASTING AND AFT TO THE VALVE COVER PARTING SURFACE. THIS - [SDR 2003FA0001191](https://openairdocs.org/sdr/2003FA0001191), Nov 6, 2003: LINE. CHAFED. DURING AN ANNUAL INSPECTION, THE FUEL PRIMER LINE WAS FOUND TO BE CHAFED THROUGH AND COMPLETELY SEPARATED AT THE CLAMP ON THE INTAKE TUBE. THERE WAS EVIDENCE OF - [SDR 2003FA0000943](https://openairdocs.org/sdr/2003FA0000943), Aug 16, 2003: CYLINDER. CRACKED. FOUND ALUMINUM CHIPS IN SCREEN. INTERNAL ENGINE INSPECTION REVEALED A 5 INCH LONG CRACK IN THE NR 5 CYLINDER SKIRT. - [SDR 2003FA0000379](https://openairdocs.org/sdr/2003FA0000379), Mar 20, 2003: ROLLER. FAILED. DURING THE OVERHAUL OF THIS ENGINE NEW ROLLERS (PN 5999) WERE INSTALLED. DURING THE TEST RUN OF THE SUBJECT ENGINE ONE OF THE ROLLERS FAILED. AFTER TEAR DOWN, A - [SDR CA020719004](https://openairdocs.org/sdr/CA020719004), Jul 12, 2002: BEARING RACE. CRACKED. (CAN) PROPELLER WAS REPORTED TO BE STICKING, AND UPON TEARDOWN OF THE PROPELLER IT WAS NOTED THAT THE CAP RACE WAS CRACKED. AS A RESULT THE CWT SHAFT WAS WORN B - [SDR CA020606007](https://openairdocs.org/sdr/CA020606007), May 26, 2002: MAGNETO. FAILED. (CAN) BEARING FAILED ON DRIVE SHAFT CAUSING ROTOR TO WOBBLE, THERE BY CAUSING THE ROTOR PEGS TO STRIKE THE DISTRIBUTOR PEGS. THIS RESISTANCE CAUSED THE TWO SCRE - [SDR AUS20020133](https://openairdocs.org/sdr/AUS20020133), Feb 19, 2002: SPIDER. CRACKED. (AUS) PROPELLER SPIDER CRACKED. CRACK LENGTH 50.8MM (2IN). - [SDR CA011121001](https://openairdocs.org/sdr/CA011121001), Oct 4, 2001: STUD. SHEARED. (CAN) NR 1 AND 5 CYLINDERS BASE RETAINING STUDS SHEARED. - [SDR 2001FA0000209](https://openairdocs.org/sdr/2001FA0000209), Aug 22, 2001: PUSHROD. FAILED. ENGINE FAILED DUE TO FAILURE OF NR 1 EXHAUST PUSHROD. UNEVENTFUL LANDING MADE. - [SDR CA011026001](https://openairdocs.org/sdr/CA011026001), Jul 17, 2001: WIRE. BROKEN. (CAN) DURING PRE-LANDING CHECK, THE PILOT NOTICED THAT THE RT LANDING GEAR INDICATOR PIN WAS NOT SHOWING ALL THE WAY DOWN. ALL OTHER GEAR INDICATIONS WERE NORMA - [SDR CA011026002](https://openairdocs.org/sdr/CA011026002), Jul 17, 2001: CABLE. BROKEN. (CAN) DURING PRE-LANDING CHECK, THE PILOT NOTICED THAT THE RT LANDING GEAR INDICATOR WAS NOT SHOWING ALL THE WAY DOWN. ALL OTHER GEAR INDICATIONS WERE NORMAL. ( - [SDR CA011026003](https://openairdocs.org/sdr/CA011026003), Jul 17, 2001: CABLE. BROKEN. (CAN) DURING PRE-LANDING CHECK, THE PILOT NOTICED THAT THE RT LANDING GEAR INDICATOR WAS NOT SHOWING ALL THE WAY DOWN. ALL OTHER GEAR INDICATIONS WERE NORMAL. ( - [SDR CA010724009](https://openairdocs.org/sdr/CA010724009), Jul 16, 2001: ROCKER BOSS. CRACKED. (CAN) THE EXHAUST VALVE ROCKER ARM BOSS CRACKED THROUGH THE PIVOT BOLT HOLES WHICH ALLOWED THE ROCKER ARM TO MOVE WITHOUT OPENING THE EXHAUST VALVE, SEVERLY RED - [SDR AUS20010765](https://openairdocs.org/sdr/AUS20010765), Jun 8, 2001: BEARING. FAILED. (AUS) RH ENGINE FAILED. CAUSED BY FAILURE OF SUPERCHARGER SUPPORT BEARING. - [SDR 20010501CW006](https://openairdocs.org/sdr/20010501CW006), Mar 13, 2001: CYLINDER. CRACKED. NO RECORDS ON CYLINDERS. AIRCRAFT LOST POWER AFTER TAKE OFF AND LANDED LONG, RAN INTO WOODS (DESTROYED AIRCRAFT) PILOT UNHURT. INVESTIGATION REVEALED NR 2 ENGIN - [SDR 20001222SH010](https://openairdocs.org/sdr/20001222SH010), Dec 5, 2000: PUSHROD TUBE. BROKEN. AIRCRAFT WAS BEING TEST RUN FOLLOWING ENGINE FAILURE. UPON RUN-UP, ENGINE STARTING MISSING AND WOULD NOT HOLD RPM OVER 600. AIRCRAFT WAS SHUT DOWN. ALL ROCKER B - [SDR AU001080](https://openairdocs.org/sdr/AU001080), Nov 12, 2000: SELECTOR VALVE. CONTAMINATED. (AUS) FUEL SELECTOR STIFF IN OPERATION. SUSPECT CAUSED BY CONTAMINATED FUEL. (X) - [SDR CA001218020](https://openairdocs.org/sdr/CA001218020), Oct 15, 2000: ATTACH ANGLE. CRACKED. (CAN) CRACKS FOUND IN 90 DEGREES RADIUS OF UPPER ATTACH ANGLES. LOWER ATTACH ANGLES CRACKS FOUND ON FUSELAGE ATTACH POINT. - [SDR 20001102SH032](https://openairdocs.org/sdr/20001102SH032), Aug 6, 2000: TURBINE. DAMAGED. ENGINE DISASSEMBLED 10/4/00. EXTENSIVE DAMAGE TO POWER SECTION OF ENGINE DUE TO ENGINE OPERATION AFTER FIRST KNOWLEDGE OF MALFUNCTION. POSSIBLE CAUSE, LINK ROD - [SDR CA000808008](https://openairdocs.org/sdr/CA000808008), Jul 26, 2000: PROPELLER. CORRODED. (CAN) PROPELLER RECEIVED FOR CORROSION INSPECTION. CWT BRACKET WEB WORN BEYOND REPAIR. BLADE MERROR FINISHED WITH DEEP CORROSION. NOTE: MERROR FINISH IS NOT A G - [SDR 20000809SH002](https://openairdocs.org/sdr/20000809SH002), Jul 13, 2000: ROD. FRACTURED. DURING AGRICULTURAL SPRAYING OPERATION, NR 7 ROD ASSY FAILED FORCING AIRCRAFT TO EMERGENCY LANDING AND SUBSEQUENT SUBSTANTIAL AIRCRAFT DAMAGE. REF: ACCIDENT REP - [SDR 20000713SH001](https://openairdocs.org/sdr/20000713SH001), Jul 11, 2000: SPARK PLUG. BROKEN. SPARK PLUG FAILED INTERNALLY. COMBUSTION GASSES BURNT OFF THE SPARK PLUG LEAD AND VENTED EXTERNALLY, RESULTING IN LOST COMPRESSION AND POWER OUTPUT. (INT) - [SDR 20000504SH011](https://openairdocs.org/sdr/20000504SH011), Mar 3, 2000: GEAR. FAILED. AIRCRAFT WAS INVOLVED IN PART 137 OPERATIONS, DURING A TAKEOFF, THE ENGINE STARTED TO MIS-FIRE AND THE PILOT ELECTED TO ABORT TAKEOFF. AIRCRAFT OVER-RAN THE RUN - [SDR AU000290](https://openairdocs.org/sdr/AU000290), Feb 15, 2000: FUEL TANK. CONTAMINATED. (AUS) AIRCRAFT FUEL SYSTEM CONTAMINATED WITH ETHYLENE DIAMINE (EDA). - [SDR 20000417SH012](https://openairdocs.org/sdr/20000417SH012), Feb 14, 2000: PUSHROD. MISINSTALLED. ENGINE VALVE PUSH RODS AND ROCKER ARMS WERE REVERSED DURING INSTALLATION ON THE NR 5 CYLINDER. SINCE THE INTAKE ROD IS LONGER AND ENGINE HAS SOLID TAPPETS, THE - [SDR AU000285](https://openairdocs.org/sdr/AU000285), Feb 3, 2000: FUEL TANK. CONTAMINATED. (AUS) AIRCRAFT FUEL SYSTEM CONTAMINATED WITH ETHYLENE DIAMINE (EDA). All 94: https://openairdocs.org/engine/pratt-whitney-r-1340-an-1/reports.md --- 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.