# NTSB investigations: Lycoming IGSO-540-B1A

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 2 · 97 cases

## Latest cases

- [NTSB CEN21LA101](https://openairdocs.org/ntsb/CEN21LA101.md): Beech 65-A80-8800 · Alexandria, MN · Accident · No injuries · Class 3 · Limited · Final report · Dec 29, 2020 · N134BA · Substantial damage
  > The pilot’s decision to attempt takeoff with frost covering the airplane and rotating below the published rotation speed, which led to exceedance of the airplane’s critical angle of attack and an aerodynamic stall.
- [NTSB WPR19FA175](https://openairdocs.org/ntsb/WPR19FA175.md): Robinson R44 · Two Harbors, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 18, 2019 · N7187D · Destroyed
  > The pilot's continued visual flight into instrument meteorological conditions, which resulted in controlled flight into terrain.
- [NTSB ERA18LA073](https://openairdocs.org/ntsb/ERA18LA073.md): Aero Commander 680 F · Lapine, AL · Accident · No injuries · Limited investigation · Final report · Jan 27, 2018 · N900L · Substantial damage
  > The pilot's failure to maintain directional control during takeoff after a total loss of left engine power due to fuel contamination, which resulted in impact with trees. Contributing to the accident were the mechanic's failure to properly flush the fuel…
- [NTSB GAA16CA113](https://openairdocs.org/ntsb/GAA16CA113.md): Cessna TR182 · Prescott, AZ · Accident · No injuries · Data collection · Final report · Jan 23, 2016 · N757FS · Substantial damage
  > The pilot's failure to extend the landing gear prior to landing, which resulted in substantial damage to the fuselage during landing.
- [NTSB WPR11FA078](https://openairdocs.org/ntsb/WPR11FA078.md): Aero Commander 680FL · Perris, CA · Accident · 1 fatal · Field investigation · Final report · Dec 20, 2010 · N316KW · Substantial damage
  > The pilot’s decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.
- [NTSB CEN09CA433](https://openairdocs.org/ntsb/CEN09CA433.md): Aero Commander 680-F · Angel Fire, NM · Accident · No injuries · Data collection · Final report · Jul 11, 2009 · N70QT · Substantial damage
  > The pilot's failure to maintain directional control during the initial takeoff.
- [NTSB DFW08CA194](https://openairdocs.org/ntsb/DFW08CA194.md): Beech 65-A80 · Midland, TX · Accident · No injuries · Data collection · Final report · Jul 17, 2008 · N6AQ · Substantial damage
  > The failure of the landing gear retraction/extension mechanism due to it being jammed by displaced sound proofing material.
- [NTSB NYC08FA012](https://openairdocs.org/ntsb/NYC08FA012.md): Aero Commander 560-F · Wiley Ford, WV · Accident · 4 fatal · Field investigation · Final report · Oct 14, 2007 · N6370U · Destroyed
  > A partial power loss in the right engine due to the failure of the number one exhaust valve, and the airplane's inability to maintain a climb on one engine for unknown reasons. Contributing to the accident were fog and rising terrain. [This report was…
- [NTSB CHI01LA082](https://openairdocs.org/ntsb/CHI01LA082.md): Beech 65-B80 · Sioux Falls, SD · Accident · Serious injuries · Limited investigation · Final report · Feb 8, 2001 · N107BA · Substantial damage
  > The pilot initiated the flight into known icing conditions which resulted in his ability to maintain control of the airplane. Factors associated with the accident were the ice accumulation and the company induced pressure for the pilot to make the flight into…
- [NTSB LAX00LA064](https://openairdocs.org/ntsb/LAX00LA064.md): Beech 65-80 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Dec 26, 1999 · N184R · Substantial damage
  > The collapse of a main landing gear due to damage from a hard landing at an undetermined time.
- [NTSB CHI99LA008](https://openairdocs.org/ntsb/CHI99LA008.md): Beech 65-B80 · Brainerd, MN · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1998 · N138BA · Substantial damage
  > the pilot's failure to maintain the proper glidepath and his diversion of attention during a critical phase of flight.
- [NTSB NYC98LA125](https://openairdocs.org/ntsb/NYC98LA125.md): Beech BE 65-80 · Malone, NY · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1998 · N215AB · Destroyed
  > The pilot's failure to follow emergency procedures, and his failure to maintain control of the airplane after a loss of power from one engine. Factors include fuel filter blockage, inadequate maintenance, and the pilot's lack of experience in multi-engine…
- [NTSB SEA98LA073](https://openairdocs.org/ntsb/SEA98LA073.md): Aero Commander 500-A · Billings, MT · Accident · No injuries · Limited investigation · Final report · May 9, 1998 · N9382R · Substantial damage
  > Failure of the main landing gear strut outer-body to inner-body needle bearing from the lack of lubrication and the development of corrosion. An inadequate manufacturer's inspection program was a factor.
- [NTSB CHI95LA287](https://openairdocs.org/ntsb/CHI95LA287.md): Beech 65-B80 · Anderson, IN · Accident · No injuries · Limited investigation · Final report · Aug 20, 1995 · N8347N · Substantial damage
  > seizure of the landing gear wheel bearing and separation of the landing gear outer wheel-half and tire from the aircraft after which directional control of the aircraft by the pilot was not possible.
- [NTSB CHI95FA124](https://openairdocs.org/ntsb/CHI95FA124.md): Beech 65-B80 · Great Bend, ND · Accident · 1 fatal · Field investigation · Final report · Apr 12, 1995 · N7057J · Destroyed
  > the pilot/mechanic's inadequate maintenance (inspection) of aircraft and the pilot's failure to maintain airspeed (VMC). Factors were icing conditions, deteriorated induction air ducting, and failure of a piston assembly.
- [NTSB MIA94LA149](https://openairdocs.org/ntsb/MIA94LA149.md): Beech 65 · Pensacola, FL · Accident · Serious injuries · Limited investigation · Final report · May 23, 1994 · N6166Y · Minor damage
  > Improper installation of nuts on the nosewheel (split rim) through-bolts by unknown personnel, which resulted in a subsequent failure (separation of the wheel halves).
- [NTSB FTW93WA270](https://openairdocs.org/ntsb/FTW93WA270.md): Aero Commander 680F · Chihuahua, Mexico · Accident · 3 fatal · Foreign investigation · Jun 3, 1993 · N8676D · Destroyed
- [NTSB LAX93FA045](https://openairdocs.org/ntsb/LAX93FA045.md): Beech D50A · Ely, NV · Accident · 2 fatal · Field investigation · Final report · Oct 29, 1992 · N102F · Destroyed
  > 1) The pilots decision to attempt VFR flight into instrument meteorological conditions, which included mountain obscurement and severe mixed icing, and, 2) his failure to maintain control of the aircraft due to a probable aerodynamic stall induced by severe…
- [NTSB MIA91LA151](https://openairdocs.org/ntsb/MIA91LA151.md): Beech 80 · Fort Lauderdale, FL · Accident · Minor injuries · Limited investigation · Final report · May 25, 1991 · N5128Y · Destroyed
  > The improper maintenance work by an unknown person who crossthreaded a fuel nozzle injector fitting which allowed fuel to leak on the exhaust system initiating a fire. No reason for the right engine not to develop full power was found.
- [NTSB MKC90LA039](https://openairdocs.org/ntsb/MKC90LA039.md): Beech 80 · Cape Girardeau, MO · Accident · No injuries · Limited investigation · Final report · Dec 13, 1989 · N525GT · Substantial damage
  > An inoperative landing gear extension system due to failure of an electric motor and a misplaced emergency crank handle.
- [NTSB LAX89FA307](https://openairdocs.org/ntsb/LAX89FA307.md): Aero Commander 680FLP · Kailua-Kona, HI · Accident · 1 fatal · Field investigation · Final report · Sep 11, 1989 · N22LR · Destroyed
  > Inadequate maintenance, and operation by the pilot with known deficiencies in the aircraft. Factors related to the accident were: excessive wear in both engines, improper use of powerplant controls by the pilot, subsequent overtemperature/detonation in both…
- [NTSB FTW89LA077](https://openairdocs.org/ntsb/FTW89LA077.md): Gulfstream 680FLP · Lohn, TX · Accident · No injuries · Limited investigation · Final report · Apr 1, 1989 · N721F · Destroyed
  > Arson undertaken to conceal illegal activity.
- [NTSB MIA88LA104](https://openairdocs.org/ntsb/MIA88LA104.md): Beech 65-88 · Accident · 2 fatal · Limited investigation · Final report · Feb 7, 1988 · N884G · Destroyed
  > Undetermined.
- [NTSB MKC88FA028](https://openairdocs.org/ntsb/MKC88FA028.md): Aero Commander 680FL · Kansas City, MO · Accident · No injuries · Field investigation · Final report · Dec 16, 1987 · N6509V · 2 aircraft · Substantial damage
  > At 2108:57 ea flt 275(EA275) a Boeing 727, was cleared to takeoff on runway 19 and at 2110:24 N6509V, an Aero Commander,was cleared to taxi into position and hold. N6509V entered runway 19 near mid-field at taxiway A-3 without advising the tower of his intent…
- [NTSB FTW87LA176](https://openairdocs.org/ntsb/FTW87LA176.md): Piper PA28R-201 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jul 26, 1987 · N6083H · Substantial damage
  > According to the pilot, during takeoff roll, and at the point of rotation the nose gear failed, causing the aircraft to drop down striking the runway with the prop. The aircraft then became airborne for approx. 15 sec. The pilot landed the aircraft on an…
- [NTSB DEN87FA066](https://openairdocs.org/ntsb/DEN87FA066.md): Rockwell 680FL · Basalt, CO · Accident · Serious injuries · Field investigation · Final report · Mar 13, 1987 · N4581E · Destroyed
  > N4581E was operating under 14 CFR 135 carrying cargo. The plt stated that he departed VFR and had '7 to 10' mi vis at the acdt site. Witnesses at and near the acdt site stated that heavy snow was falling at the time of the acdt and the vis was 1 mi or less.…
- [NTSB FTW87FA045](https://openairdocs.org/ntsb/FTW87FA045.md): Beech 65-80 · Brownsville, TX · Accident · No injuries · Field investigation · Final report · Jan 15, 1987 · N1590S · Substantial damage
  > Commercial pilot departed Brownsville, TX (bro) on special VFR flight plan. During initial climb, at approximately 300 ft AGL both engines quit due to fuel starvation. Forced landing was made to unimproved field. Aircraft sustained substantial damage. Pilot…
- [NTSB MIA86LA011](https://openairdocs.org/ntsb/MIA86LA011.md): Beech 65A-80 · Ochopee, FL · Accident · No injuries · Limited investigation · Final report · Oct 12, 1985 · N8000R · Substantial damage
  > While on a night pleasure flt, both engs surged and lost pwr and an emergency landing was made. The plt stated that he had a total of 3 hrs flt time in this type of acft. He later recanted his statement & stated that he had never flown this type acft before.…
- [NTSB DCA85AA012](https://openairdocs.org/ntsb/DCA85AA012.md): Beech 65-A80 · Soldotna, AK · Accident · 9 fatal · Final report · Feb 4, 1985 · N50NP · Destroyed
  > During arrival, the crew of npa flt 1802 contacted the company wx observer at Soldotna who advised the wx was: wnd calm,ceiling 600 to 800 ft, vis 8 to 10 mi, no precip. They made an NDB apch, but missed the apch & requested another apch. Aprx 1 min later,…
- [NTSB MIA84FA163](https://openairdocs.org/ntsb/MIA84FA163.md): Beech 65-80 · Opa Locka, FL · Accident · Serious injuries · Field investigation · Final report · May 8, 1984 · N741H · Substantial damage
  > The plt stated that he did not check the acft fuel visually prior to departure. About 10 minutes after takeoff, while using auxiliary fuel tanks, the right eng lost power. The plt selected crossfeed & the eng restarted. He then turned off the right fuel…
- [NTSB ATL84FLT04](https://openairdocs.org/ntsb/ATL84FLT04.md): Aero Commander 680F · Charleston, TN · Accident · Serious injuries · Final report · Feb 20, 1984 · N6000F · Substantial damage
  > The acft crashed during a ferry flight and the plt could not recall the circumstances of the flight. Investigation revealed that the acft had been parked on the service ramp for nearly two years without being used. The last annual inspection was recorded on…
- [NTSB ATL84FKG01](https://openairdocs.org/ntsb/ATL84FKG01.md): Beech 65-A80 · Edison, GA · Accident · Minor injuries · Final report · Oct 13, 1983 · N62TG · Substantial damage
  > At aprx 2130 EDT, the acft collided with a tree while the plt was making a low pass over a wooded area. After hitting the tree, the plane crashed into a pond. Reportedly, the acft had returned from columbia (south america) & the aircrew were preparing to drop…
- [NTSB FTW83FA299](https://openairdocs.org/ntsb/FTW83FA299.md): Aero Commander 680-F · Norman, OK · Accident · 2 fatal · Field investigation · Final report · Jun 28, 1983 · N6139X · Destroyed
  > The acft crashed after starting a go-around or aborted landing at normal ok. The acft was on a x-country from dallas to wichita. There was no radio communication with the acft after it was cleared to land. The approach looked ok but on short final the acft…
- [NTSB ATL83LA092](https://openairdocs.org/ntsb/ATL83LA092.md): Beech 65-80 · Brodnax, VA · Accident · Minor injuries · Limited investigation · Final report · Jan 31, 1983 · N2711J · Substantial damage
  > The acft was damaged during a landing in a field at night near the intersection of route 623 & route 53 north. After the accident, 2 individuals were observed leaving the acft & running into the woods with duffel bags. The acft contained aprx 1000 lbs of…
- [NTSB CHI82IA102](https://openairdocs.org/ntsb/CHI82IA102.md): Beech 65-88 · Kalamazo, MI · Incident · No injuries · Incident investigation · Final report · Mar 26, 1982 · N20HR · Minor damage
  > Prior to landing the pilot could not extend the right main landing gear. He attempted to extend the gear by recycling the system and by using the manual extension, but to no avail. Subsequently, the aircraft was landed on a paved runway with the gear…
- [NTSB MIA81FA102](https://openairdocs.org/ntsb/MIA81FA102.md): Beech 65-B80 · Groveland, FL · Accident · 2 fatal · Closed · Jul 28, 1981 · N1028C · Destroyed
- [NTSB LAX81DXQ21](https://openairdocs.org/ntsb/LAX81DXQ21.md): Beech 65-80 · Gerlach, NV · Accident · No injuries · Closed · Jul 17, 1981 · N6867Q · Destroyed
- [NTSB ATL81FA062](https://openairdocs.org/ntsb/ATL81FA062.md): Beech 65-B80 · Pine Knot, KY · Accident · 2 fatal · Closed · Apr 10, 1981 · N3768Z · Destroyed
- [NTSB LAX81FA031](https://openairdocs.org/ntsb/LAX81FA031.md): Beech 65-88 · Goleta, CA · Accident · No injuries · Closed · Dec 10, 1980 · N884S · Substantial damage
- [NTSB ATL81FLG02](https://openairdocs.org/ntsb/ATL81FLG02.md): Aero Comdr 680FLP · Columbia, SC · Accident · Serious injuries · Closed · Oct 17, 1980 · N1167Z · Destroyed
- [NTSB MIA80FLD96](https://openairdocs.org/ntsb/MIA80FLD96.md): Beech 65-B80 · Lake Marion, FL · Accident · No injuries · Closed · Sep 7, 1980 · N242Q · Destroyed
- [NTSB MIA80DA094](https://openairdocs.org/ntsb/MIA80DA094.md): Beech 65-80 · Pt.Maria (Gulf of Mexico) · Accident · 1 fatal · Closed · Aug 25, 1980 · N218K · Destroyed
- [NTSB LAX80FVD32](https://openairdocs.org/ntsb/LAX80FVD32.md): Aero Comdr 680FLP · Emeryville, CA · Accident · No injuries · Closed · Aug 2, 1980 · N27VF · Substantial damage
- [NTSB FTW80FA096](https://openairdocs.org/ntsb/FTW80FA096.md): Aero Comdr 680FLP · Iola, TX · Accident · 2 fatal · Closed · Jul 25, 1980 · N6515V · Destroyed
- [NTSB MIA80FLD52](https://openairdocs.org/ntsb/MIA80FLD52.md): Beech 65-80 · Sebring, FL · Accident · Serious injuries · Closed · Apr 6, 1980 · N717Q · Destroyed
- [NTSB MIA80FLA17](https://openairdocs.org/ntsb/MIA80FLA17.md): Aero Comdr 680F · N Smyrna Beach, FL · Accident · No injuries · Closed · Mar 15, 1980 · N2302P · Substantial damage
- [NTSB MIA80FA032](https://openairdocs.org/ntsb/MIA80FA032.md): Aero Comdr 680FL · Sebring, FL · Accident · 2 fatal · Closed · Feb 14, 1980 · N662B · Destroyed
- [NTSB LAX80FJA01](https://openairdocs.org/ntsb/LAX80FJA01.md): Beech 65-80 · Princeville, HI · Accident · No injuries · Closed · Oct 5, 1979 · N1590S · Substantial damage
- [NTSB IAD79IA066](https://openairdocs.org/ntsb/IAD79IA066.md): Beech 65-80 · Washington, DC · Incident · No injuries · Closed · Aug 7, 1979 · N99FA · Minor damage
- [NTSB LAX79FUJ77](https://openairdocs.org/ntsb/LAX79FUJ77.md): Aero Comdr 680-FL · Phoenix, AZ · Accident · Serious injuries · Closed · May 29, 1979 · N783EF · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=41535&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 ('41535'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41535

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