# NTSB investigations: Cessna U206G: Off-field or emergency landing

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 CEN25LA301](https://openairdocs.org/ntsb/CEN25LA301.md): Cessna U206G · Kerrville, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2025 · N756XY · Substantial damage
  > The pilot’s failure to confirm the fuel quantity before flight which resulted in a loss of engine power due to fuel starvation.
- [NTSB ERA17LA307](https://openairdocs.org/ntsb/ERA17LA307.md): Cessna U206 · Harpswell, ME · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 1, 2017 · N4615X · Substantial damage
  > A total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.
- [NTSB ERA14LA193](https://openairdocs.org/ntsb/ERA14LA193.md): Cessna U206G · Louisa, VA · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 2014 · N156SA · Substantial damage
  > The pilot's decision to continue operation of the airplane with known mechanical issues (fluctuating oil pressure and metal in the oil filter), which was the result of undertorqued cylinder through bolts. Contributing to the accident was the mechanic's…
- [NTSB ERA11FA078](https://openairdocs.org/ntsb/ERA11FA078.md): Cessna U206G · Leverett, MA · Accident · 2 fatal · Field investigation · Final report · Dec 5, 2010 · N9742Z · Substantial damage
  > A total loss of engine power due to the fatigue failure of the crankshaft, which resulted from improper tightening of the cylinder hold-down nuts.
- [NTSB ANC10LA056](https://openairdocs.org/ntsb/ANC10LA056.md): Cessna U206G · Iliamna, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 2010 · N4596U · Substantial damage
  > The total loss of engine power during cruise flight due to a fractured crankshaft.

## 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 ('2073356', '2073315', '2073314')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '440' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/440/sequence?model=2073356

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