# NTSB investigations: Waco UPF-7: 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 MIA98LA217](https://openairdocs.org/ntsb/MIA98LA217.md): Waco UPF-7 · Key West, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 1998 · N29927 · Destroyed
  > A loss of engine power due to undetermined reasons, resulting in an inadvertent stall at too low an altitude to allow recovery.
- [NTSB ANC95LA143](https://openairdocs.org/ntsb/ANC95LA143.md): Waco UPF-7 · Anchorage, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 18, 1995 · N134Q · Substantial damage
  > The pilot's inadequate preflight planning/preparation, which resulted in an unlocked engine primer and subsequent loss of engine power.
- [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.
- [NTSB NYC88LA179](https://openairdocs.org/ntsb/NYC88LA179.md): Waco UPF-7 · Plymouth, NH · Accident · No injuries · Limited investigation · Final report · Jul 9, 1988 · N32126 · Substantial damage
  > The plt reported that the eng lost power during takeoff as the acft was climbing thru about 200 to 250 ft AGL. Unable to restore power, he turned to land in a corn field, but was unable to reach it. He then selected a smaller field, but during the landing,…
- [NTSB MIA88LA106](https://openairdocs.org/ntsb/MIA88LA106.md): Waco UPF-7 · St Petersburg, FL · Accident · Serious injuries · Limited investigation · Final report · Feb 14, 1988 · N29368 · Substantial damage
  > The plt stated that while on apch to land, the engine lost power. During an attempt to land on runway 36 the acft stalled & nosed in from an approximate 50 foot altitude. No determination could be made as to the nature of the malfunction of the engine as…
- [NTSB DEN86LA215](https://openairdocs.org/ntsb/DEN86LA215.md): Waco UPF-7 · Laramie, WY · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 1986 · N30196 · Destroyed
  > The plt stated that a flt from California to Laramie was uneventful. The acft was then refueled and he departed to the east. Shortly after takeoff, the engine began to lose power and the cockpit filled with smoke. The plt executed an emergency landing next to…

## 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 ('9601302')
    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=9601302&occurrence=350

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