# NTSB investigations: Lycoming O-360-C4P, AK

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.

## Latest cases

- [NTSB ANC24LA050](https://openairdocs.org/ntsb/ANC24LA050.md): Cub Crafters CC18-180 · Bethel, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 11, 2024 · N187CC · Substantial damage
  > The pilot's failure to maintain directional control during landing which resulted in a ground loop.
- [NTSB ANC22LA029](https://openairdocs.org/ntsb/ANC22LA029.md): Piper PA-18-150 · Beluga, AK · Accident · No injuries · Class 4 · Limited · Final report · Apr 12, 2022 · N135ES · Substantial damage
  > The pilot’s excessive touchdown speed, which resulted in a long landing and impact with terrain.
- [NTSB ANC22LA006](https://openairdocs.org/ntsb/ANC22LA006.md): Cub Crafters CC-18-180 · Yukon Charlie River, AK · Accident · No injuries · Class 4 · Limited · Final report · Nov 9, 2021 · N413CC · Substantial damage
  > The pilot’s selection of an unsuitable landing site, which resulted in a nose-over.
- [NTSB GAA18CA541](https://openairdocs.org/ntsb/GAA18CA541.md): Cub Crafters CC18 · Northway, AK · Accident · No injuries · Data collection · Final report · Sep 6, 2018 · N413CC · Substantial damage
  > The airplane’s collision with a bird during straight-and-level flight.
- [NTSB GAA18CA521](https://openairdocs.org/ntsb/GAA18CA521.md): Cub Crafters CC18 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Aug 1, 2018 · N437CC · Substantial damage
  > The pilot’s premature liftoff and subsequent settling of the airplane to the gravel airstrip.
- [NTSB ANC15TA003](https://openairdocs.org/ntsb/ANC15TA003.md): Cub Crafters CC18-180 · Anchorage, AK · Accident · No injuries · Final report · Oct 19, 2014 · N537CC · Substantial damage
  > The pilot’s failure to maintain directional control while attempting to drag an off-airport landing site.
- [NTSB ANC11TA109](https://openairdocs.org/ntsb/ANC11TA109.md): Cub Crafters CC18-180 · Palmer, AK · Accident · No injuries · Final report · Sep 26, 2011 · N907CF · Substantial damage
  > The pilot's excessive application of the brakes during landing, which resulted in a nose-over.
- [NTSB ANC08FA072](https://openairdocs.org/ntsb/ANC08FA072.md): Piper PA-18 · Quinhagak, AK · Accident · 1 fatal · Field investigation · Final report · Jun 7, 2008 · N897SP · Destroyed
  > The pilot's failure to maintain adequate airspeed while maneuvering at a low altitude in high winds, resulting in an aerodynamic stall and uncontrolled descent to the ground. Contributing to the accident were the high winds.
- [NTSB ANC05LA052](https://openairdocs.org/ntsb/ANC05LA052.md): Cub Crafters PA-18 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Mar 27, 2005 · N955DW · Substantial damage
  > The flight instructor's inadequate supervision of the flight, and the dual student's failure to maintain directional control.
- [NTSB ANC04FA056](https://openairdocs.org/ntsb/ANC04FA056.md): Piper PA-18-150 · Cold Bay, AK · Accident · 1 fatal · Field investigation · Final report · May 22, 2004 · N4319Z · Substantial damage
  > A loss of engine power during the final approach to land for an undetermined reason, and the pilot's failure to maintain airspeed during the ensuing emergency descent, which resulted in an inadvertent stall. A factor associated with the accident was the stall.
- [NTSB ANC98LA044](https://openairdocs.org/ntsb/ANC98LA044.md): Piper PA-18-160 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · May 5, 1998 · N4319Z · Substantial damage
  > the pilot's inadequate aircraft preflight. A factor was the inadvertent activation of the parking brake.
- [NTSB ANC96LA073](https://openairdocs.org/ntsb/ANC96LA073.md): Piper PA-18 · Cold Bay, AK · Accident · No injuries · Limited investigation · Final report · May 17, 1996 · N4319Z · Substantial damage
  > the pilot's excessive taxi speed. Factors associated with the accident were: the pilot's improper preflight inspection of the airplane, and the entanglement of the left main landing gear brake and axle with wire.
- [NTSB ANC91FA067](https://openairdocs.org/ntsb/ANC91FA067.md): Piper PA-18-150 · Wasilla, AK · Accident · Serious injuries · Field investigation · Final report · Jun 8, 1991 · N4319Z · Substantial damage
  > The powerplant failure for undetermined reasons and the collision with the wires.

## 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."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42289'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42289&state=AK

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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.