# NTSB investigations: Lycoming IO-540-D4A5

A list on [Lycoming IO-540-D4A5](https://openairdocs.org/engine/lycoming-io-540-d4a5.md).

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

- [NTSB CEN24LA104](https://openairdocs.org/ntsb/CEN24LA104.md): Piper PA24 · Cherokee, OK · Accident · No injuries · Class 3 · Limited · Final report · Feb 2, 2024 · N4284 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined. Contributing to the accident was the presence of ground fog, which hindered the landing approach and resulted in the pilot inadvertently landing long and impacting a fence during the…
- [NTSB WPR22FA172](https://openairdocs.org/ntsb/WPR22FA172.md): Vans RV10 · Sausalito, CA · Accident · 2 fatal · Class 3 · Field · Final report · May 6, 2022 · N54MG · Substantial damage
  > The pilot’s improper decision to continue a visual flight rules flight into an area of limited visibility conditions, which resulted in spatial disorientation and a loss of airplane control.
- [NTSB ERA20CA291](https://openairdocs.org/ntsb/ERA20CA291.md): Team Rocket F1 Rocket · Finelyville, PA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N88XK · Substantial damage
  > The pilot's misjudgment of the airplane’s speed and altitude during the landing approach, and his failure to attain the proper touchdown point during landing, which resulted in a runway overrun. Contributing to the accident were his access to a limited set of…
- [NTSB CEN20CA048](https://openairdocs.org/ntsb/CEN20CA048.md): Vans RV 10 · Granbury, TX · Accident · No injuries · Data collection · Final report · Dec 30, 2019 · N519RV · Substantial damage
  > The airplane’s impact with a bird while on approach.
- [NTSB GAA18CA555](https://openairdocs.org/ntsb/GAA18CA555.md): Himmeroeder Hansgeorg Bearhawk · Williams, CA · Accident · No injuries · Data collection · Final report · Sep 9, 2018 · N152GH · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB CEN17FA035](https://openairdocs.org/ntsb/CEN17FA035.md): Stamper RV-10 · Dubois, WY · Accident · 1 fatal · Field investigation · Final report · Nov 5, 2016 · N924WY · Destroyed
  > The pilot's failure to maintain adequate airspeed after becoming distracted by the opening of the gull-wing cabin door during takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low…
- [NTSB ERA17CA008](https://openairdocs.org/ntsb/ERA17CA008.md): Algimantas Jonusas RV-10 · Ashwood, VA · Accident · Serious injuries · Data collection · Final report · Oct 7, 2016 · N100UK · Substantial damage
  > The noninstrument-rated pilot's inadequate preflight and in-flight weather planning and continued flight into instrument meteorological conditions, which resulted in impact with trees and terrain.
- [NTSB ERA15FA359](https://openairdocs.org/ntsb/ERA15FA359.md): Boatright Waylon RV10 · Alma, GA · Accident · 5 fatal · Field investigation · Final report · Sep 16, 2015 · N122WK · Destroyed
  > The noncertificated pilot's decision to perform aerobatic maneuvers in his overweight, improperly-loaded airplane in dark night conditions at low altitude, which resulted in a loss of airplane control and collision with terrain. Contributing to the accident…
- [NTSB CEN14LA495](https://openairdocs.org/ntsb/CEN14LA495.md): Nolin Vans RV-10 · Houston, TX · Accident · No injuries · Limited investigation · Final report · Sep 9, 2014 · N104HN · Substantial damage
  > The total loss of engine power for reasons that could not be determined during postaccident examination.
- [NTSB ERA13CA142](https://openairdocs.org/ntsb/ERA13CA142.md): Dombroski Frank Vans RV-10 · Lake Placid, NY · Accident · Minor injuries · Data collection · Final report · Feb 21, 2013 · N10FD · Substantial damage
  > The pilot's improper in-flight planning and decision making, which resulted in attempted visual flight in night instrument meteorological conditions and subsequent impact with terrain.
- [NTSB CEN11CA321](https://openairdocs.org/ntsb/CEN11CA321.md): Chang RV-10 · Minford, OH · Accident · No injuries · Data collection · Final report · Apr 27, 2011 · N718PF · Substantial damage
  > A loose fuel line fitting, which caused a fuel leak and subsequent in-flight fire.
- [NTSB CHI07LA056](https://openairdocs.org/ntsb/CHI07LA056.md): Piper PA-24-260B · Belleville, IL · Accident · No injuries · Limited investigation · Final report · Dec 28, 2006 · N9284P · Substantial damage
  > The failure of the torque link bolt which resulted in the right main landing gear strut scissors separating and becoming jammed in the wheel well. Contributing to the accident was the seized torque link bolt due to surface corrosion.
- [NTSB MKC85LA201](https://openairdocs.org/ntsb/MKC85LA201.md): Piper PA-24-250 · Weskan, KS · Accident · No injuries · Limited investigation · Final report · Aug 31, 1985 · N6903P · Substantial damage
  > The plt rptd a high eng oil temperature & low oil pressure while maneuvering over a siesmic operation site in west Kansas. The acft was substantially damaged when it contacted a ditch during a forced landing. Post accident inspection failed to disclose any…
- [NTSB LAX77DUJ21](https://openairdocs.org/ntsb/LAX77DUJ21.md): Piper PA-24 · Tucson, AZ · Accident · No injuries · Closed · Dec 16, 1976 · N8699P · Substantial damage
- [NTSB FTW72DRG19](https://openairdocs.org/ntsb/FTW72DRG19.md): Piper PA-24 · Trincheras, Mexico · Accident · No injuries · Closed · Aug 15, 1971 · N9284P · Substantial damage
- [NTSB DEN71DQA49](https://openairdocs.org/ntsb/DEN71DQA49.md): Piper PA-24 · Albuquerque, NM · Accident · No injuries · Closed · Mar 10, 1971 · N9051P · Substantial damage
- [NTSB CHI67F0631](https://openairdocs.org/ntsb/CHI67F0631.md): Piper PA-24 · Grand Rapids, MI · Accident · No injuries · Closed · Apr 17, 1967 · N8868P · Substantial damage
- [NTSB NYC67A0082](https://openairdocs.org/ntsb/NYC67A0082.md): Piper PA-24 · Berwick, PA · Accident · No injuries · Closed · Nov 23, 1966 · N8912P · Substantial damage
- [NTSB SEA67D0208](https://openairdocs.org/ntsb/SEA67D0208.md): Piper PA-24 · Friday Harb., WA · Accident · No injuries · Closed · Oct 2, 1966 · N8974P · Substantial damage
- [NTSB CHI66A0094](https://openairdocs.org/ntsb/CHI66A0094.md): Piper PA-24 · Greenville, MI · Accident · No injuries · Closed · Jun 1, 1966 · N8868P · Substantial damage

## 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 ('41798')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/lycoming-io-540-d4a5/ntsb

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