# NTSB investigations: Bellanca 17-31ATC: Loss of engine power

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 FTW00LA176](https://openairdocs.org/ntsb/FTW00LA176.md): Bellanca 17-31ATC · Del Rio, TX · Accident · No injuries · Limited investigation · Final report · Jun 7, 2000 · N39827 · Substantial damage
  > The separation of the #3 connecting rod, piston, and cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL97FA021](https://openairdocs.org/ntsb/ATL97FA021.md): Bellanca 17-31ATC · Fitzgerald, GA · Accident · 3 fatal · Field investigation · Final report · Dec 1, 1996 · N123SS · Substantial damage
  > A loss of engine power due to the blockage of the intake manifold of the induction air system, by the broken alternate air door, and the loss of aircraft control for undetermined reasons.
- [NTSB NYC93LA099](https://openairdocs.org/ntsb/NYC93LA099.md): Bellanca 17-31 · Leesport, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 1993 · N73SM · Destroyed
  > The loss of engine power for undetermined reasons, which resulted in forced landing and collision with trees.
- [NTSB NYC91FA103](https://openairdocs.org/ntsb/NYC91FA103.md): Bellanca 17-31 ATC · Gt. Barrington, MA · Accident · 1 fatal · Field investigation · Final report · Apr 7, 1991 · N1269R · Destroyed
  > The mechanic's improper use of anti-seize compound on the injector nozzle threads which resulted in an engine failure.

## 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 ('1220437', '1250032')
    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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1220437&occurrence=350

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