# NTSB investigations: Lycoming GO-435

A list on [Lycoming GO-435](https://openairdocs.org/engine/lycoming-go-435.md).

Matched to the registry by N-number and event date, newest first.

- [NTSB ANC19LA027](https://openairdocs.org/ntsb/ANC19LA027.md): Helio H391 · Hope, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2019 · N10CJ · Substantial damage
  > The pilot’s failure to maintain directional control during a precautionary landing, which resulted in a ground loop. Contributing to the accident was a partial loss of engine power for reasons that could not be determined.
- [NTSB CEN10LA338](https://openairdocs.org/ntsb/CEN10LA338.md): Pilatus P3-05 · Canby, MN · Accident · No injuries · Limited investigation · Final report · Jun 20, 2010 · N831AS · 2 aircraft · Substantial damage
  > The North American's pilot's failure to maintain adequate visual lookout, which resulted in an on-ground collision with the Pilatus.
- [NTSB IAD00FA044](https://openairdocs.org/ntsb/IAD00FA044.md): Kurzenburger Stuka JU-87 · Urbana, MD · Accident · 1 fatal · Field investigation · Final report · May 26, 2000 · N87DK · Destroyed
  > The pilot's failure to obtain/maintain aircraft control after takeoff.
- [NTSB ANC95LA122](https://openairdocs.org/ntsb/ANC95LA122.md): Grumman G-44 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Aug 1, 1995 · N17481 · Substantial damage
  > Overload failure of the main landing gear wheel.
- [NTSB ANC94LA007](https://openairdocs.org/ntsb/ANC94LA007.md): Helio H-391-B · Beaver Creek, AK · Accident · No injuries · Limited investigation · Final report · Oct 8, 1993 · N173K · Substantial damage
  > The pilot's failure to maintain the required airspeed during the emergency descent as published in the pilot's manual. A factor is the loss of engine power for undetermined reasons.
- [NTSB LAX91LA144](https://openairdocs.org/ntsb/LAX91LA144.md): Helio H391B · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Mar 23, 1991 · N289LM · Substantial damage
  > The pilot's failure to maintain directional control and improper use of the flight controls. Contributing to this accident was the cross wind and soft terrain, and the pilot's lack of experience in the airplane.
- [NTSB NYC90DGM03](https://openairdocs.org/ntsb/NYC90DGM03.md): Continental Copters MK5A · Cranesville, PA · Accident · Minor injuries · Final report · Sep 28, 1990 · N9024T · Destroyed
  > The pilot's inability to maintain control of the helicopter after the loss of a portion of the cyclic control assembly; this resulted in ground impact and post-impact fire.
- [NTSB ANC88LA139](https://openairdocs.org/ntsb/ANC88LA139.md): Cessna 180B · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Sep 11, 1988 · N3539E · Substantial damage
  > The plt rprtd that drg an aborted takeoff, the acft overran the departure end of the rwy & the left main gear failed. He said he misjudged the performance of the acft, & when he aborted, there was insufficient rwy remaining to stop. Also, he believed the hi…
- [NTSB ANC86LA159](https://openairdocs.org/ntsb/ANC86LA159.md): Cessna 180B · Clear, AK · Accident · No injuries · Limited investigation · Final report · Sep 1, 1986 · N3539E · Substantial damage
  > The plt & passenger were on a hunting trip & had selected a clearing on a brush covered hillside for a landing. The clearing had been previously used as an airstrip. While on final apch to land at dusk, the plt lost sight of the touchdown area due to darkness…
- [NTSB ANC84LA171](https://openairdocs.org/ntsb/ANC84LA171.md): Helio H-395A · Shellerbager Ps, AK · Accident · No injuries · Limited investigation · Final report · Aug 27, 1984 · N4195D · Substantial damage
  > The plt landed on a rwy that was covered with 18 to 30 inches of snow. Shortly after touchdown the acft nosed over. The plt recommended that when in doubt about landing-don't land.
- [NTSB CHI81FEP41](https://openairdocs.org/ntsb/CHI81FEP41.md): Dehavilland DHC-1 · Mequon, WI · Accident · No injuries · Closed · Aug 6, 1981 · N1114V · Substantial damage
- [NTSB ANC80FAA15](https://openairdocs.org/ntsb/ANC80FAA15.md): Helio Acft H-250 · Northway, AK · Accident · No injuries · Closed · Jun 28, 1980 · N173K · Substantial damage
- [NTSB MKC80DCJ03](https://openairdocs.org/ntsb/MKC80DCJ03.md): Navion B · Norfolk, NE · Accident · Minor injuries · Closed · Nov 23, 1979 · N5177K · Substantial damage
- [NTSB MIA78PKJ80](https://openairdocs.org/ntsb/MIA78PKJ80.md): Navion B · Milton, FL · Accident · No injuries · Closed · Aug 20, 1978 · N5406K · Substantial damage
- [NTSB DEN75FQA09](https://openairdocs.org/ntsb/DEN75FQA09.md): Navion A · Aztec, NM · Accident · Minor injuries · Closed · Jul 24, 1974 · N4951K · Substantial damage
- [NTSB MIA71FLA11](https://openairdocs.org/ntsb/MIA71FLA11.md): Ryan Navion · Pensacola, FL · Accident · No injuries · Closed · Aug 27, 1970 · N5406K · Substantial damage
- [NTSB MIA70DKJ49](https://openairdocs.org/ntsb/MIA70DKJ49.md): Aero Comdr 520 · Mobile, AL · Accident · No injuries · Closed · Jun 24, 1970 · N2136 · Substantial damage
- [NTSB LAX70D0221](https://openairdocs.org/ntsb/LAX70D0221.md): Beech B50 · Riverside, CA · Accident · No injuries · Closed · Nov 23, 1969 · N3670B · Substantial damage
- [NTSB DIA69F0128](https://openairdocs.org/ntsb/DIA69F0128.md): Helio H-391B · Cumberland, MD · Accident · No injuries · Closed · Jan 7, 1969 · N12620 · Substantial damage
- [NTSB SEA67F0233](https://openairdocs.org/ntsb/SEA67F0233.md): Navion B · Hillsboro, OR · Accident · Minor injuries · Closed · Dec 21, 1966 · N5351K · Substantial damage
- [NTSB FTW67A0028](https://openairdocs.org/ntsb/FTW67A0028.md): Hughes 269A · Wylie, TX · Accident · No injuries · Closed · Sep 3, 1966 · N8844F · Substantial damage
- [NTSB LAX67F0059](https://openairdocs.org/ntsb/LAX67F0059.md): Helio H-391B · Van Nuys, CA · Accident · No injuries · Closed · Aug 2, 1966 · N173K · Substantial damage
- [NTSB CHI67F0087](https://openairdocs.org/ntsb/CHI67F0087.md): Navion B · Marshall, WI · Accident · No injuries · Closed · Jun 28, 1966 · N29P · Substantial damage
- [NTSB UNK65X0610](https://openairdocs.org/ntsb/UNK65X0610.md): Aero Cmdr 520 · Chicago, IL · Accident · No injuries · Closed · Nov 8, 1964 · N4172B · Substantial damage
- [NTSB UNK65X0217](https://openairdocs.org/ntsb/UNK65X0217.md): Helio 391B · Perry, FL · Accident · Minor injuries · Closed · Oct 10, 1964 · N173K · Substantial damage
- [NTSB UNK64X4012](https://openairdocs.org/ntsb/UNK64X4012.md): Hughes 269A · Santa Ana, CA · Accident · No injuries · Closed · Sep 16, 1964 · N8844F · Destroyed

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('41520', '42072')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-go-435/ntsb

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