# NTSB investigations: Waco UPF-7, 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 LAX91LA370](https://openairdocs.org/ntsb/LAX91LA370.md): Waco UPF-7 · Wallace, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1991 · N30107 · Substantial damage
  > The pilot's failure to properly align his airplane with the runway and his failure to maintain directional control during takeoff. Contributing factors related to the presence of rough and downhill terrain adjacent to the runway.
- [NTSB ATL91LA152](https://openairdocs.org/ntsb/ATL91LA152.md): Waco UPF-7 · Manning, SC · Accident · No injuries · Limited investigation · Final report · Aug 5, 1991 · N29926 · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll, and his failure to abort the takeoff in a timely manner once the airplane had departed the runway surface. A factor in the accident was the pilot's failure to utilize the entire…
- [NTSB NYC91LA176](https://openairdocs.org/ntsb/NYC91LA176.md): Waco UPF-7 · Stebensville, PA · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 1991 · N32126 · Substantial damage
  > The pilot's failure to refuel the airplane, his improper fuel consumption calculations, and his failure to flare the airplane during the forced landing.
- [NTSB MIA91LA147](https://openairdocs.org/ntsb/MIA91LA147.md): Waco UPF-7 · Key West, FL · Accident · No injuries · Limited investigation · Final report · May 15, 1991 · N32133 · Substantial damage
  > A momentary loss of engine power due to undetermined reasons.

## 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.aircraft_model_code IN ('9601302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=9601302&year=1991

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