# NTSB investigations: Cessna 170: Loss of engine power(partial) - mech failure/malf

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 MIA97LA251](https://openairdocs.org/ntsb/MIA97LA251.md): Cessna 170 · Troy, NC · Accident · No injuries · Limited investigation · Final report · Sep 29, 1997 · N2554V · Substantial damage
  > delay of the pilot to abort the takeoff after noting sluggish acceleration during the takeoff roll. Factors relating to the accident were: improper timing of the magneto(s), and a malfunction of the carburetor.
- [NTSB CHI94LA332](https://openairdocs.org/ntsb/CHI94LA332.md): Cessna 170 · St. Anne, IL · Accident · No injuries · Limited investigation · Final report · Sep 18, 1994 · N4216V · Substantial damage
  > Engine failure due to an inadequately reconditioned cylinder.
- [NTSB SEA90FA057](https://openairdocs.org/ntsb/SEA90FA057.md): Cessna 170 · Republic, WA · Accident · 2 fatal · Field investigation · Final report · Mar 25, 1990 · N4130V · Destroyed
  > Improper inspection and airworthiness certification of the aircraft on the last annual inspection by an FAA authorized repair station, the inadequate engine performance and low cylinder compression, and the pilots attempt to takeoff with known aircraft…

## 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 ('2072302')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2072302&occurrence=352

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