# NTSB investigations: Lycoming GO-435C&D series NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 3 · 119 cases ## Latest cases - [NTSB ERA24LA161](https://openairdocs.org/ntsb/ERA24LA161.md): Navion Navion B · Sanford, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 29, 2024 · N5429K · Substantial damage > A sudden loss of all engine power during takeoff for undetermined reasons. - [NTSB ERA16LA333](https://openairdocs.org/ntsb/ERA16LA333.md): Ryan Navion · Hurt, VA · Accident · No injuries · Limited investigation · Final report · Sep 27, 2016 · N5327K · Substantial damage > Incorrect installation of the oil temperature probe and an inadequate annual inspection that failed to detect leaking oil around the loose probe, which resulted in a catastrophic engine failure due to oil starvation. - [NTSB CEN16LA296](https://openairdocs.org/ntsb/CEN16LA296.md): Ryan Navion B · Manitowoc, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2016 · N5294K · Substantial damage > A leak in the gascolator due to degraded rubber gaskets, which allowed air to enter the fuel system and resulted in fuel starvation and a total loss of engine power during takeoff. - [NTSB ERA13LA121](https://openairdocs.org/ntsb/ERA13LA121.md): Piper PA-32-260 · Yonkers, NY · Accident · No injuries · Limited investigation · Final report · Jan 27, 2013 · N1967E · Substantial damage > A partial loss of engine power for reasons that could not be determined because examination of the engine and associated components did not reveal any mechanical malfunction or failure that would have precluded normal operation. - [NTSB ERA11LA359](https://openairdocs.org/ntsb/ERA11LA359.md): Navion Navion B · Red Oak, NC · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2011 · N75394 · Substantial damage > The pilot's inadvertent movement of the fuel tank selector handle to the off position, resulting in a total loss of engine power due to fuel starvation. - [NTSB ERA10CA425](https://openairdocs.org/ntsb/ERA10CA425.md): Ryan Navion B · Fort Myers, FL · Accident · No injuries · Data collection · Final report · Aug 16, 2010 · N5382K · Substantial damage > The binding of the trim wheel on the instrument panel and the pilot’s improper decision to depart with a known mechanical deficiency. - [NTSB ERA09CA351](https://openairdocs.org/ntsb/ERA09CA351.md): Dreyer Starduster · Cowlesville, NY · Accident · No injuries · Data collection · Final report · Jun 15, 2009 · N3LD · Substantial damage > A total loss of engine power due to fuel exhaustion as a result of the pilot's inadequate preflight fuel inspection. - [NTSB LAX03LA118](https://openairdocs.org/ntsb/LAX03LA118.md): Ryan Navion · Mammoth Lakes, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 23, 2003 · N5291K · Substantial damage > the pilot's inadequate compensation for the wind conditions and failure to maintain directional control during the landing roll. A factor was the gusty crosswind. - [NTSB MIA02LA130](https://openairdocs.org/ntsb/MIA02LA130.md): Beech B50 · Clanton, AL · Accident · No injuries · Limited investigation · Final report · Jul 7, 2002 · N550G · Substantial damage > The pilot's failure to maintain directional control of the airplane during an aborted landing that resulted in a ground swerve and the airplane exiting the runway and collided with a fence, incurring damage. - [NTSB MIA02LA116](https://openairdocs.org/ntsb/MIA02LA116.md): Navion Nav4 · Raleigh, NC · Accident · No injuries · Limited investigation · Final report · Jun 21, 2002 · N5235K · Substantial damage > the pilot's inadequate preflight planning, improper fuel consumption calculations, and selection of the auxiliary fuel tank for landing, which resulted in a loss of engine power due to fuel starvation, and forced landing in trees. A factor in this accident… - [NTSB DEN02LA048](https://openairdocs.org/ntsb/DEN02LA048.md): Helio H-391B · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · May 24, 2002 · N25BA · Substantial damage > the pilot's failure to maintain directional control. - [NTSB ATL02FA076](https://openairdocs.org/ntsb/ATL02FA076.md): Flugzeugbau EA-300L · Lakeland, FL · Accident · No injuries · Field investigation · Final report · Apr 6, 2002 · N125EX · 2 aircraft · Substantial damage > The Extra 300L pilot's failure to maintain a visual lookout resulting in a midair collision while landing. Contributing to the accident was the Extra 300L pilot's failure to follow written instructions contained in the NOTAM, and ATC instructions resulting in… - [NTSB SEA02FA036](https://openairdocs.org/ntsb/SEA02FA036.md): Aero Commander 520 · Puyallup, WA · Accident · Serious injuries · Field investigation · Final report · Feb 2, 2002 · N520SE · Substantial damage > The pilot's failure to maintain aircraft control during takeoff. Trees were a factor. - [NTSB ATL01LA072](https://openairdocs.org/ntsb/ATL01LA072.md): Ryan Navion B · Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Jul 5, 2001 · N5265K · Substantial damage > Loss of engine power for undetermined reasons. - [NTSB ANC01LA066](https://openairdocs.org/ntsb/ANC01LA066.md): Helio H-391B · Anvik, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 2001 · N25BA · Substantial damage > The pilot's continued operation of the accident airplane with known equipment deficiencies, and an improper installation of the float assembly by maintenance personnel. A factor in the accident was the pilot's delay in aborting the takeoff. - [NTSB SEA99LA124](https://openairdocs.org/ntsb/SEA99LA124.md): Navion B · Stanley, ID · Accident · No injuries · Limited investigation · Final report · Jul 16, 1999 · N5304K · Substantial damage > An improperly planned approach and gusting wind conditions. A tailwind was a factor. - [NTSB SEA99LA088](https://openairdocs.org/ntsb/SEA99LA088.md): Ryan Navion B · Klamath Falls, OR · Accident · No injuries · Limited investigation · Final report · Jun 17, 1999 · N870DR · Substantial damage > The pilot's failure to reinstall the engine oil filler cap during preflight, resulting in engine oil loss and the necessity for an immediate landing. - [NTSB LAX97FA330](https://openairdocs.org/ntsb/LAX97FA330.md): Ryan Navion B · Pacoima, CA · Accident · 2 fatal · Field investigation · Final report · Sep 26, 1997 · N5241K · Destroyed > the dual student's improper positioning of the fuel selector and the CFI's inadequate supervision, which led to a takeoff with the auxiliary fuel tank selected and resulted in fuel starvation. A contributing factor was the position of the nomenclature on the… - [NTSB ANC94LA117](https://openairdocs.org/ntsb/ANC94LA117.md): Stinson 108-1 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Aug 31, 1994 · N9130K · Substantial damage > The binding in the mechanical fuel selector valve, and lack of suitable terrain for a forced landing. - [NTSB ATL94LA054](https://openairdocs.org/ntsb/ATL94LA054.md): Helio HE391B · Saluda, SC · Accident · No injuries · Limited investigation · Final report · Feb 26, 1994 · N9050R · Substantial damage > The pilot's and mechanic's failure to adequately inspect the aircraft fuel system which resulted in fuel starvation. - [NTSB ANC90LA178](https://openairdocs.org/ntsb/ANC90LA178.md): Helio H-391B · Circle, AK · Accident · No injuries · Limited investigation · Final report · Sep 13, 1990 · N316HW · Substantial damage > Pilot-in-command's failure to maintain airplane control and the pilot's failure to identify the stall. - [NTSB CHI90LA031](https://openairdocs.org/ntsb/CHI90LA031.md): Helio H-391B · Plainwell, MI · Accident · No injuries · Limited investigation · Final report · Nov 20, 1989 · N8750R · Substantial damage > Failure of the crosswind landing gear system to engage on the left main gear due to improper rigging adjustment by maintenance personnel. Factors related to the accident were: unfavorable wind conditions (gusts and quartering crosswind) and soft terrain in… - [NTSB BFO89FA069](https://openairdocs.org/ntsb/BFO89FA069.md): Beech B50 · Church Creek, MD · Accident · 3 fatal · Field investigation · Final report · Aug 23, 1989 · N3688B · Destroyed > VFR flight into IMC and pilot disorientation, which resulted in the loss of aircraft control. Contributing to the accident was the pilot's lack of instrument experience, darkness, and the adverse weather condition. - [NTSB MIA89LA038](https://openairdocs.org/ntsb/MIA89LA038.md): Ryan Navion B · Vero Beach, FL · Accident · No injuries · Limited investigation · Final report · Nov 19, 1988 · N5422K · Substantial damage > The plt stated that drg flt, the eng lost power & he was unable to restart it. Drg a forced landing in a field, the acft struck three cows that were in a ravine & moved in front of the acft as it was apchg to land. A post acdnt exam of the acft revealed there… - [NTSB BFO88LA032](https://openairdocs.org/ntsb/BFO88LA032.md): Dreyer-Starduster SA-300 · Richlands, VA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1988 · N3LD · Substantial damage > After touchdown, during the landing roll, the acft veered sharply to the left. The plt attempted to correct this action by applying right rudder and the acft veered 45 degrees to the right. The acft traveled off the right side of the rwy and came to rest on… - [NTSB FTW87FA177](https://openairdocs.org/ntsb/FTW87FA177.md): Aero Commander 520 · Carrollton, TX · Accident · Minor injuries · Field investigation · Final report · Jul 27, 1987 · N4164B · Destroyed > Acft was destroyed when it struck pwr lines and the grnd during a single eng go-around. Following a left eng shut down due to severe vibrations, the plt overflew one arpt to return to his home base. En route, he elected not to go to full pwr due to a 3 min… - [NTSB LAX87DUG01](https://openairdocs.org/ntsb/LAX87DUG01.md): Aero Commander 520 · Lucerne Valley, CA · Accident · No injuries · Final report · Nov 2, 1986 · N70FM · Destroyed > During a pleasure flt, the plt reported that the right engine caught on fire. The plt made a landing on dry lake bed and disembarked from the plane examination of the wreckage revealed that the path of the landing roll showed no signs of melted metal or… - [NTSB NYC86LA244](https://openairdocs.org/ntsb/NYC86LA244.md): Ryan Navion · Beaver Falls, PA · Accident · Serious injuries · Limited investigation · Final report · Sep 29, 1986 · N5244K · Destroyed > The plt stated that the acft experienced engine problems during cruise flt and crashed about one mile northeast of Beaver Falls, PA. Post accident testing revealed that the engine was capable of developing power in accordance with the manufacturer's… - [NTSB DEN86LA040](https://openairdocs.org/ntsb/DEN86LA040.md): Helio H-391B · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Dec 6, 1985 · N4101D · Substantial damage > According to personnel in the area, the plt radioed he had smoke in the cockpit and was returning to gallantin field, his departure point. Later, the plt transmitted that the eng lost total pwr and he was making a forced landing. During the investigation, it… - [NTSB FTW84LA356](https://openairdocs.org/ntsb/FTW84LA356.md): Gulfstream 520 · Goliad, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 1984 · N4183B · Destroyed > Acft was found abandoned. Wreckage scene indicates collision with trees prior to collision with terrain. Acft suspected of being used for illegal cargo operations. - [NTSB MIA84LA227](https://openairdocs.org/ntsb/MIA84LA227.md): Aero Commander 520 · Stuart, FL · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N7834 · Substantial damage > The acft collided with a fence at the departure end of the rwy during takeoff. The acft tires were grossly under inflated and the turf rwy was wet and soft. One witness said the acft made an intersection takeoff without using the entire rwy length. After the… - [NTSB ANC84LA126](https://openairdocs.org/ntsb/ANC84LA126.md): Grumman G-44A · Shanin Lake, AK · Accident · No injuries · Limited investigation · Final report · Jul 28, 1984 · N9900H · Substantial damage > The plt reported that shortly after takeoff the acft encountered severe wind shear. The plt lost directional control of the acft & it collided with a mud bank. - [NTSB FTW84FA047](https://openairdocs.org/ntsb/FTW84FA047.md): Aero Commander 520 · Clines Corners, NM · Accident · 2 fatal · Field investigation · Final report · Nov 9, 1983 · N4116B · Destroyed > The non-instrument rated plt was on ferry flt from bartlesville, ok to ontario, CA. An en route stop was made at tucumcari, NM, where the acft was refueled & 14 qts of oil was added to the left eng. The line boy who serviced the acft saw no visible oil leaks… - [NTSB CHI83LA248](https://openairdocs.org/ntsb/CHI83LA248.md): Helio H-391B · Croton, MI · Accident · No injuries · Limited investigation · Final report · Jun 5, 1983 · N4119D · Substantial damage > The acft collided with wires on an approach to a lake. - [NTSB ANC83LA011](https://openairdocs.org/ntsb/ANC83LA011.md): Beech 50 · Quinhagak, AK · Accident · No injuries · Limited investigation · Final report · Nov 3, 1982 · N3582B · Substantial damage > Left engine lost power after takeoff. Pilot feathered left engine and returned to runway on one engine. Since he was overshooting he elected to land on grass wheels up to avoid overrun and collision with ditch. The following discrepancies were found: exhaust… - [NTSB LAX82FA357](https://openairdocs.org/ntsb/LAX82FA357.md): Aero Commander 520 · Agoura, CA · Accident · 3 fatal · Field investigation · Final report · Sep 26, 1982 · N2622B · Destroyed > During departure, the pilot climbed in IFR conditions to 600O ft. after leveling, a frequency change was made and he was cleared to 8000 ft, which he acknowledged. About 2 min later, the controller radioed to the pilot that he was about 4 mi north of the… - [NTSB MIA82DKA03](https://openairdocs.org/ntsb/MIA82DKA03.md): Aero Comdr 520 · Cabo Rojo, PR · Accident · No injuries · Closed · Oct 23, 1981 · N4162B · Substantial damage - [NTSB ATL82FKQ03](https://openairdocs.org/ntsb/ATL82FKQ03.md): Aero Cmndr 520 · Biloxi, MS · Accident · Serious injuries · Closed · Oct 16, 1981 · N2605B · Destroyed - [NTSB SEA82FYE30](https://openairdocs.org/ntsb/SEA82FYE30.md): Helio H-391B · Bellingham, WA · Accident · No injuries · Closed · May 29, 1981 · N316HW · Substantial damage - [NTSB FTW81DQA19](https://openairdocs.org/ntsb/FTW81DQA19.md): Navion B · Las Vegas, NM · Accident · No injuries · Closed · Apr 2, 1981 · N106A · Substantial damage - [NTSB FTW79FPJ24](https://openairdocs.org/ntsb/FTW79FPJ24.md): Navion 8 · Edmond, OK · Accident · Serious injuries · Closed · Jun 6, 1979 · N5391K · Substantial damage - [NTSB FTW79DRD16](https://openairdocs.org/ntsb/FTW79DRD16.md): Aero Comm 520 · New Orleans, LA · Accident · Minor injuries · Closed · Mar 4, 1979 · N4178B · Destroyed - [NTSB FTW78FQD26](https://openairdocs.org/ntsb/FTW78FQD26.md): Navion B · El Paso, TX · Accident · Minor injuries · Closed · Jul 15, 1978 · N6928C · Substantial damage - [NTSB MIA78DLG14](https://openairdocs.org/ntsb/MIA78DLG14.md): Navion B · Abbeville, SC · Accident · No injuries · Closed · Mar 26, 1978 · N5156K · Substantial damage - [NTSB MKC78DCG06](https://openairdocs.org/ntsb/MKC78DCG06.md): Aero Comdr 520 · Lamar, MO · Accident · No injuries · Closed · Oct 29, 1977 · N4178B · Substantial damage - [NTSB NYC78FGM07](https://openairdocs.org/ntsb/NYC78FGM07.md): Helio Acft 391 · Bedford, PA · Accident · No injuries · Closed · Oct 28, 1977 · N4169D · Substantial damage - [NTSB MKC77FER09](https://openairdocs.org/ntsb/MKC77FER09.md): Aero Comdr 520 · St Paul, MN · Accident · No injuries · Closed · Dec 7, 1976 · N4178B · Substantial damage - [NTSB ANC77DAH05](https://openairdocs.org/ntsb/ANC77DAH05-201360.md): Helio Acft H-391B · Anchorage, AK · Accident · No injuries · Closed · Oct 23, 1976 · N4144D · Substantial damage - [NTSB LAX76FUQ28](https://openairdocs.org/ntsb/LAX76FUQ28.md): Navion B · Ojai, CA · Accident · Minor injuries · Closed · Mar 13, 1976 · N5414K · Substantial damage - [NTSB MKC76FCG06](https://openairdocs.org/ntsb/MKC76FCG06.md): Beech 50 · Kansas City, MO · Accident · No injuries · Closed · Jul 5, 1975 · N705D · Substantial damage Next page: https://openairdocs.org/ntsb.md?engine=41521&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41521')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=41521 --- 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.