# NTSB investigations: Grumman G-73: Airframe/component/system failure/malfunction

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 DCA06MA010](https://openairdocs.org/ntsb/DCA06MA010.md): Grumman G-73T · Miami, FL · Accident · 20 fatal · Class 1 · Major · Final report · Dec 19, 2005 · N2969 · Destroyed
  > The in-flight failure and separation of the right wing during normal flight, which resulted from (1) the failure of the Chalk's Ocean Airways maintenance program to identify and properly repair fatigue cracks in the right wing and (2) the failure of the…
- [NTSB MIA87FA013](https://openairdocs.org/ntsb/MIA87FA013.md): Grumman G-73 · St. Croix · Accident · 1 fatal · Field investigation · Final report · Oct 28, 1986 · N604SS · Substantial damage
  > The plts lost aileron control shortly after takeoff while in a left turn. The left turning tendencies of the acft could not be corrected and the acft crash landed in the carribean sea. Post crash inspection of the acft revealed the left aileron control cable…
- [NTSB MIA85IA155](https://openairdocs.org/ntsb/MIA85IA155.md): Grumman G-73-T · St. Croix · Incident · Minor injuries · Incident investigation · Final report · Apr 24, 1985 · N632SS · Minor damage
  > While on an FAA observed proving flight, water take off, the left propeller electrical terminal failed. The part then penetrated the left forward passenger window and struck the FAA observer causing minor injury. The plastic part failed in over load due to…
- [NTSB MIA84IA147](https://openairdocs.org/ntsb/MIA84IA147.md): Grumman G-73T · Ft. Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Apr 17, 1984 · N2969 · Minor damage
  > After 2 unsuccessful attempts to 'ramp' the acft, plt took off again and flew to Ft. Lauderdale. Fly-by disclosed no nose landing wheel was present. Plt made landing on hard surface rwy. Metallurgical examination disclosed, nose gear strut assembly failed due…
- [NTSB MIA84IA077](https://openairdocs.org/ntsb/MIA84IA077.md): Grumman G-73 · West Palm Beach, FL · Incident · No injuries · Incident investigation · Final report · Feb 10, 1984 · N2969 · No damage
  > The acft experienced an elevator trim loss, encountered extreme 'shaking and vibration' of control column and tail section fluttering while on descent to Palm Beach int'l arpt. Investigation revealed that the end of the actuator shaft failed at a rivet hole…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3951802')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3951802&occurrence=130

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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.