# NTSB investigations: Lycoming I0360 SER A&C, 1991

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 CHI92LA054](https://openairdocs.org/ntsb/CHI92LA054.md): Piper PA-28R-201 · Willmar, MN · Accident · No injuries · Limited investigation · Final report · Nov 29, 1991 · N80553 · Substantial damage
  > An inadequate weather evaluation which resulted in flight into icing conditions. Factors in the accident were the icing conditions and the excessive descent during landing.
- [NTSB NYC91LA243](https://openairdocs.org/ntsb/NYC91LA243.md): Lake LA-4 · Wilton, ME · Accident · No injuries · Limited investigation · Final report · Sep 21, 1991 · N1012L · Substantial damage
  > The pilot's improper recovery from a bounced landing on rough water which resulted in the right wing tip contacting the water causing the airplane to nose over and sink. Factors related to the accident were, the pilot's low time and experience in this type…
- [NTSB ATL91LA144](https://openairdocs.org/ntsb/ATL91LA144.md): Beech C24R · Morrisville, NC · Accident · No injuries · Limited investigation · Final report · Jul 28, 1991 · N6713P · Substantial damage
  > Failure of the left main landing gear uplock cylinder which precluded extension of the landing gear.
- [NTSB LAX91LA316](https://openairdocs.org/ntsb/LAX91LA316.md): Jurca MJ5 Sirocco · Lake Mathews, CA · Accident · 2 fatal · Limited investigation · Final report · Jul 18, 1991 · N239GA · Destroyed
  > The pilot's intentional low altitude flight which resulted in a collision with a power line static cable. Contributing to the accident was inadequate light conditions which reduced the pilot's ability to detect the power line.
- [NTSB LAX91LA265](https://openairdocs.org/ntsb/LAX91LA265.md): Glasair SH-2-RG · Visalia, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1991 · N306AT · Substantial damage
  > Total loss of engine power due to the failure of the number 4 engine exhaust valve.
- [NTSB FTW91FA089](https://openairdocs.org/ntsb/FTW91FA089.md): Steen Skybolt JW5 · Grand Prairie, TX · Accident · 2 fatal · Field investigation · Final report · Jun 2, 1991 · N124J · Destroyed
  > The pilot's failure to perform refueling and maintain airspeed above vs (stall). A factor was unsuitable terrain.
- [NTSB CHI91DEP04](https://openairdocs.org/ntsb/CHI91DEP04.md): Brault Glasair SH2F · Green Bay, WI · Accident · Minor injuries · Final report · Apr 11, 1991 · N1490 · Substantial damage
  > The pilot in command's failure to refuel the aircraft prior to departure. A factor contributing to the accident was the unporting of the fuel pick up line in fuel tank during abrupt or negative 'g' maneuvers.

## 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") = 1991
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41511'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41511&year=1991

---
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.