# NTSB investigations: Lycoming IO-360-A1B6D, WA

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 ANC25LA043](https://openairdocs.org/ntsb/ANC25LA043.md): Cessna 177RG · Snohomish, WA · Accident · No injuries · Class 4 · Limited · Final report · May 28, 2025 · N2155Q · Substantial damage
  > The pilot’s decision to continue the landing attempt with insufficient runway remaining, which resulted in a runway overrun and collision with a fence.
- [NTSB WPR20CA188](https://openairdocs.org/ntsb/WPR20CA188.md): Cessna 177RG · Lynden, WA · Accident · Serious injuries · Class 4 · Data collection · Final report · Jun 14, 2020 · N1958Q · Substantial damage
  > The pilot's failure to maintain control of the airplane during the landing approach, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, hard landing, and a landing gear collapse.
- [NTSB WPR19LA226](https://openairdocs.org/ntsb/WPR19LA226.md): Cessna 177RG · Fall City, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N1828Q · Substantial damage
  > The failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.
- [NTSB WPR14CA092](https://openairdocs.org/ntsb/WPR14CA092.md): Cessna 177RG · Richland, WA · Accident · No injuries · Data collection · Final report · Dec 1, 2013 · N7592V · Substantial damage
  > The pilot's failure to extend the landing gear prior to landing. Contributing to the accident was the pilot's diverted attention and not using a checklist.
- [NTSB WPR12LA383](https://openairdocs.org/ntsb/WPR12LA383.md): Cessna 177RG · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Aug 31, 2012 · N300ZX · Substantial damage
  > A loss of directional control during landing for reasons that could not be determined because postaccident examination of the nose gear steering mechanism did not reveal any anomalies that would have precluded normal operation.
- [NTSB SEA01LA075](https://openairdocs.org/ntsb/SEA01LA075.md): Cessna 177RG · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 21, 2001 · N8283G · Substantial damage
  > the reverse rigging of the aileron flight control system resulting in aileron deflections opposite that of the pilot's inputs which lead to an uncontrolled descent into the terrain. Factors include the pilot's failure to detect the misrigged ailerons during…
- [NTSB SEA95FA103](https://openairdocs.org/ntsb/SEA95FA103.md): Cessna 177RG · Kent, WA · Accident · 2 fatal · Field investigation · Final report · May 20, 1995 · N9ER · Destroyed
  > The pilot's misjudgment of distance and altitude during the approach. Factors in the accident were the dusk light condition and the shadows.
- [NTSB SEA89LA025](https://openairdocs.org/ntsb/SEA89LA025.md): Cessna 177RG · Monroe, WA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1988 · N51386 · Substantial damage
  > Plt was lndg on unlit strip (center reflectors) at night and allowed acft to drift left on lndg roll. Acft contacted dirt mound adjacent to runway.
- [NTSB SEA89LA004](https://openairdocs.org/ntsb/SEA89LA004.md): Cessna 177RG · Bellingham, WA · Accident · Minor injuries · Limited investigation · Final report · Oct 1, 1988 · N2068Q · Substantial damage
  > Drg the initial climb after takeoff, the eng lost power. Subsequently, the acft was damaged drg an emergency landing in a rough field northwest of the arpt. A post-acdnt eng run-up was made with a club prop installed. The eng operated normally to 1500 RPM…
- [NTSB SEA87FA031](https://openairdocs.org/ntsb/SEA87FA031.md): Cessna 177RG · Republic, WA · Accident · 1 fatal · Field investigation · Final report · Nov 25, 1986 · N52069 · Destroyed
  > A witness observed the acft taxi out ot the rwy in light snow showers and taxi to the north end of the rwy. During the takeoff the area was covered with a heavy snow shower, with winds from the north gusting T0 20-25 mph. The acft was observed to depart to…
- [NTSB SEA82IA170](https://openairdocs.org/ntsb/SEA82IA170.md): Cessna 177RG · Cashmere, WA · Incident · No injuries · Incident investigation · Final report · Sep 22, 1982 · N52716 · No damage
  > While descending through 7500 ft the pilot observed smoke entering the cockpit from the instrument panel area. An attempt was made to isolate the source by shutting off various electrical components. The smoke continued to appear intermittently before the…
- [NTSB SEA80FYP27](https://openairdocs.org/ntsb/SEA80FYP27.md): Cessna 177RG · Ione, WA · Accident · Serious injuries · Closed · Jul 16, 1980 · N1891Q · Substantial damage

## 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" = 'WA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41593'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41593&state=WA

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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.