# NTSB investigations: Lycoming IO-540 series, 1994

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 MIA95FA037](https://openairdocs.org/ntsb/MIA95FA037.md): Piper PA-32RT-300 · Sylvan Springs, AL · Accident · 1 fatal · Field investigation · Final report · Dec 11, 1994 · N6517C · Destroyed
  > Poor in-flight planning/decision by the pilot-in-command for failure to deviate to an alternate airport after encountering icing conditions in an airplane not certificated for flight in icing conditions. Also, failure of the pilot to maintain altitude…
- [NTSB NYC95FA042](https://openairdocs.org/ntsb/NYC95FA042.md): Piper PA-60-600 · Colonie, NY · Accident · 1 fatal · Field investigation · Final report · Dec 10, 1994 · N6069T · Destroyed
  > Failure of the pilot to maintain control of the aircraft, possibly from falling asleep.
- [NTSB FTW94LA305](https://openairdocs.org/ntsb/FTW94LA305.md): Piper PA-32-301 · Nacogdoches, TX · Accident · No injuries · Limited investigation · Final report · Sep 19, 1994 · N8398J · Substantial damage
  > The pilot's inadequate compensation for crosswind during landing rollout. A factor was the variable crosswind.
- [NTSB FTW94LA283](https://openairdocs.org/ntsb/FTW94LA283.md): Walton Skybolt · Collinsville, OK · Accident · 2 fatal · Limited investigation · Final report · Aug 27, 1994 · N113BW · Destroyed
  > The pilot's failure to maintain airspeed resulting in an inadvertent stall.
- [NTSB CHI94LA255](https://openairdocs.org/ntsb/CHI94LA255.md): Piper PA-32-300 · Marshalltown, IA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1994 · N8144Y · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CHI94LA218](https://openairdocs.org/ntsb/CHI94LA218.md): Callair A9B · Minot, ND · Accident · No injuries · Limited investigation · Final report · Jul 1, 1994 · N2851F · Substantial damage
  > the pilot's failure to maintain clearance from the wheat field. A factor was the turbulence.
- [NTSB ATL94LA126](https://openairdocs.org/ntsb/ATL94LA126.md): Green Starduster TOO · Chattanooga, TN · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 1994 · N11TG · Substantial damage
  > The pilot's failure to maintain aircraft control, resulting in an inadvertent stall, and collision with terrain.
- [NTSB LAX94LA253](https://openairdocs.org/ntsb/LAX94LA253.md): Schumacher Swearingen SX-300 · Kingman, AZ · Accident · No injuries · Limited investigation · Final report · Jun 12, 1994 · N2H · Substantial damage
  > the pilot's inadvertent raising the flaps during a go-around attempt. A factor in the accident was the gusty crosswind condition.
- [NTSB ANC94LA068](https://openairdocs.org/ntsb/ANC94LA068.md): Maule M6-235 · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Jun 6, 1994 · N56447 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB LAX94LA225](https://openairdocs.org/ntsb/LAX94LA225.md): Staudacher 300S · Chandler, AZ · Accident · Serious injuries · Limited investigation · Final report · May 28, 1994 · N791S · Substantial damage
  > The operation of the engine at an RPM setting that exceeded the original design specifications and resulted in the failure of the no. 5 connecting rod bearing.
- [NTSB ATL94FA075](https://openairdocs.org/ntsb/ATL94FA075.md): Piper PA-32RT-300 · Smithville, TN · Accident · 1 fatal · Field investigation · Final report · Apr 7, 1994 · N9710C · Destroyed
  > The pilot's failure to obtain recent weather information to avoid flight into icing conditions. Factors in the accident were: management-induced pressure and the icing conditions.
- [NTSB BFO94LA038](https://openairdocs.org/ntsb/BFO94LA038.md): Piper PA-32R-300 · Norfolk, VA · Accident · No injuries · Limited investigation · Final report · Feb 7, 1994 · N38780 · Substantial damage
  > Fatigue failure of the engine mounting bolt which resulted in loss of engine power and subsequent on ground collision with the terrain.
- [NTSB MIA94FA067](https://openairdocs.org/ntsb/MIA94FA067.md): Piper PA-32RT-300 · Sugarloaf Key, FL · Accident · 2 fatal · Field investigation · Final report · Feb 6, 1994 · N626CN · Destroyed
  > Was the failure of the pilot-in-command to perform a visual lookout and maintain his altitude. Contributing to the accident was the dark night, over water, visual descent.

## 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 year(c."eventDate") = 1994
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&year=1994

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