# NTSB investigations, IA: Loss of engine power(partial) - nonmechanical

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 CHI91LA155](https://openairdocs.org/ntsb/CHI91LA155.md): Piper J3 · Creston, IA · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N88441 · Substantial damage
  > Icing in the induction air control system.
- [NTSB MKC89LA185](https://openairdocs.org/ntsb/MKC89LA185.md): Piper PA-32-260 · Leon, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 22, 1989 · N8AG · Substantial damage
  > Blockage of the engine air induction system by a field mouse nest. The nest was positioned so that it could not be seen during the pre-flight inspection. It became dislodged during the takeoff roll on the rough runway.
- [NTSB MKC86LA171](https://openairdocs.org/ntsb/MKC86LA171.md): Piper PA-23-150 · Iowa City, IA · Accident · No injuries · Limited investigation · Final report · Jul 5, 1986 · N1130P · Substantial damage
  > The flight instructor stated that he had planned to conduct an engine-out drill after takeoff by reducing power to the starboard engine. During the engine-out drill the student reduced power to the operating engine and the aircraft landed hard back on the…
- [NTSB MKC86LA081](https://openairdocs.org/ntsb/MKC86LA081.md): Piper PA-22-150 · Lytton, IA · Accident · Serious injuries · Limited investigation · Final report · Mar 29, 1986 · N6167D · Substantial damage
  > The acft was departing from a 2,500 ft long, grass, farm strip. The plt said he noticed after take off that the eng was not developing full power and he could not maintain alt. He attempted to land in an adjacent fld, but the ground was soft and the acft…
- [NTSB MKC83LA075](https://openairdocs.org/ntsb/MKC83LA075.md): Cessna 150F · Ollie, IA · Accident · No injuries · Limited investigation · Final report · Mar 7, 1983 · N8803G · Substantial damage
  > The student reported that the eng lost aprx 500 RPM while he was practicing turns & stalls at an altitude of aprx 3500 ft MSL. Reportedly, the situation became worse & he was unable to maintain altitude. He applied carburetor heat, but it did not help.…

## 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."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 354)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=354&state=IA

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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.