# NTSB investigations: Lycoming IO-320 series, 1990

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 CHI90GA273](https://openairdocs.org/ntsb/CHI90GA273.md): Piper PA-3O · Cape Girardeau, MO · Incident · No injuries · Final report · Sep 23, 1990 · N752CF · Minor damage
  > Excessive play in the landing gear extension linkage. A factor in the incident was unreliability of the gear indicating system.
- [NTSB CHI90LA187](https://openairdocs.org/ntsb/CHI90LA187.md): Piper PA-30B · Webster, WI · Accident · No injuries · Limited investigation · Final report · Jul 14, 1990 · N8095Y · Substantial damage
  > The failure of the nose gear transmission mounting bracket which resulted in nose gear collapse during the landing roll.
- [NTSB LAX90DVA05](https://openairdocs.org/ntsb/LAX90DVA05.md): Vans RV-3 · Bakersfield, CA · Accident · No injuries · Final report · Jun 15, 1990 · N9030N · Substantial damage
  > The pilots loss of directional control after a touch and go landing in a newly acquired homebuilt aircraft. Contributing to the accident was the pilots lack of experience in this aircraft.
- [NTSB SEA90FA100](https://openairdocs.org/ntsb/SEA90FA100.md): Champion 7KCAB · Pocatello, ID · Accident · 2 fatal · Field investigation · Final report · Jun 11, 1990 · N1877G · Destroyed
  > The instructor pilots poor judgement in performing low altitude steep turn maneuvers resulting in an inadvertant stall at an altitude too low for recovery. Factors in the accident were the over gross weight and out-of-cg aircraft loading, and strong gusty…
- [NTSB SEA90LA075](https://openairdocs.org/ntsb/SEA90LA075.md): Bellanca 8KCAB · Pomeroy, WA · Accident · No injuries · Limited investigation · Final report · May 7, 1990 · N57514 · Substantial damage
  > A malfunctioning fuel injection system and the pilot's attempted operation above certificated maximum gross weight with a known deficiency in this equipment.
- [NTSB MKC90LA104](https://openairdocs.org/ntsb/MKC90LA104.md): Champion 7KCAB · Scott, AR · Accident · No injuries · Limited investigation · Final report · May 6, 1990 · N5187T · Substantial damage
  > Pilot in command's failure to maintain directional control during the landing roll. Related to the accident was tall grass and soft terrain.
- [NTSB CHI90FAMS2](https://openairdocs.org/ntsb/CHI90FAMS2.md): Piper PA-30B · Charlevoix, MI · Accident · 2 fatal · Missing aircraft · Final report · Apr 20, 1990 · N8333Y · Destroyed
  > The probable cause of this accident is undetermined.
- [NTSB MIA90LA089](https://openairdocs.org/ntsb/MIA90LA089.md): Piper PA-30 · Margate, FL · Accident · No injuries · Limited investigation · Final report · Mar 15, 1990 · N7114Y · Substantial damage
  > Loss of power in both engines due to fuel exhaustion, resulting in a forced landing. A factor in the accident was that the pilot did not follow the flight manual to ensure that the fuel tanks were filled to capacity.
- [NTSB MIA90IA072](https://openairdocs.org/ntsb/MIA90IA072.md): Piper PA-30 · Tallahassee, FL · Incident · No injuries · Incident investigation · Final report · Feb 19, 1990 · N7574Y · Minor damage
  > Proper glidepath not maintained.

## 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") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41509'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41509&year=1990

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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.