# Fatal NTSB investigations: Cessna 170

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 ERA17FA155](https://openairdocs.org/ntsb/ERA17FA155.md): Cessna 170 · Williston, FL · Accident · 4 fatal · Field investigation · Final report · Apr 15, 2017 · N4244V · Destroyed
  > The pilot's failure to maintain adequate airspeed during initial climb in gusty wind conditions, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall/spin.
- [NTSB ANC07FA037](https://openairdocs.org/ntsb/ANC07FA037.md): Cessna 170 · Wasilla, AK · Accident · 1 fatal · Field investigation · Final report · May 4, 2007 · N4217V · Substantial damage
  > A total loss of engine power during takeoff initial climb due to fuel contamination, and the pilot's inadequate preflight inspection.
- [NTSB SEA04LA050](https://openairdocs.org/ntsb/SEA04LA050.md): Cessna 170 · Herron, WA · Accident · 2 fatal · Limited investigation · Final report · Mar 1, 2004 · N2534V · Destroyed
  > The failure of the left muffler while maneuvering, resulting in a carbon monoxide leak into the cabin rendering the pilot incapacitated, and the subsequent uncontrolled descent and impact with water.
- [NTSB ANC95FA129](https://openairdocs.org/ntsb/ANC95FA129.md): Cessna 170 · Coldfoot, AK · Accident · 2 fatal · Field investigation · Final report · Aug 5, 1995 · N2566V · Destroyed
  > The pilot's failure to maintain adequate distance and/or altitude from terrain. Rising mountainous terrain and downdrafts associated with unfavorable wind conditions were factors in the accident.
- [NTSB SEA92FA195](https://openairdocs.org/ntsb/SEA92FA195.md): Snodgrass Starduster TOO · Lacey, WA · Accident · 3 fatal · Field investigation · Final report · Sep 7, 1992 · N4316 · 2 aircraft · Destroyed
  > The failure of both pilots to see and avoid each other.
- [NTSB SEA91LA237](https://openairdocs.org/ntsb/SEA91LA237.md): Cessna 170B · Curtis, WA · Accident · 1 fatal · Limited investigation · Final report · Sep 16, 1991 · N4693C · Destroyed
  > A misjudged maneuver due to physical impairment by alcohol. Contributing to the accident was overconfidence in personal ability.
- [NTSB ANC91FA014](https://openairdocs.org/ntsb/ANC91FA014.md): Cessna 170 · 40 W Of Clear, AK · Accident · 1 fatal · Field investigation · Final report · Nov 25, 1990 · N4030V · Substantial damage
  > The non-instrument rated pilot-in-command's loss of control while attempting to operate under visual flight rule while in instrument meteorological conditions. Contributing to the accident was the whiteout condition created by the vast expanse of white lake…
- [NTSB DEN90FA120](https://openairdocs.org/ntsb/DEN90FA120.md): Cessna 170A · Dillon, CO · Accident · 1 fatal · Field investigation · Final report · Jun 3, 1990 · N3944V · Substantial damage
  > Improper planning/decision by the pilot, and his failure to maintain airspeed, which resulted in an inadvertent stall. Factors related to the accident were: the high density altitude and terrain conditions.
- [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…
- [NTSB SEA83FA056](https://openairdocs.org/ntsb/SEA83FA056.md): Cessna 170 · Azalea, OR · Accident · 2 fatal · Closed · Jun 6, 1981 · N3973V · Destroyed
- [NTSB LAX78FA057](https://openairdocs.org/ntsb/LAX78FA057.md): Cessna 170 · Grand Canyon, AZ · Accident · 3 fatal · Closed · Jun 28, 1978 · N4219V · Destroyed
- [NTSB CHI77FA069](https://openairdocs.org/ntsb/CHI77FA069.md): Cessna 170 · Florence, WI · Accident · 4 fatal · Closed · Aug 23, 1977 · N4052V · Destroyed
- [NTSB FTW76AF083](https://openairdocs.org/ntsb/FTW76AF083.md): Cessna 170 · College Sta, TX · Accident · 4 fatal · Closed · Apr 4, 1976 · N5532C · Destroyed
- [NTSB CHI76AC019](https://openairdocs.org/ntsb/CHI76AC019.md): Cessna 170 · Bronson, MI · Accident · 1 fatal · Closed · Sep 1, 1975 · N4161V · Substantial damage
- [NTSB NYC75AN093](https://openairdocs.org/ntsb/NYC75AN093.md): Cessna 170 · Byrdstown, TN · Accident · 1 fatal · Closed · Mar 16, 1975 · N4082V · Destroyed
- [NTSB UNK72X0112](https://openairdocs.org/ntsb/UNK72X0112.md): Cessna 170 · Iron Crk, Canada · Accident · 3 fatal · Closed · Jul 27, 1972 · N4059V · Destroyed
- [NTSB NYC72AN081](https://openairdocs.org/ntsb/NYC72AN081.md): Cessna 170 · Woodstock, CT · Accident · 3 fatal · Closed · Dec 12, 1971 · N4016V · Substantial damage
- [NTSB FTW70AF074](https://openairdocs.org/ntsb/FTW70AF074.md): Cessna 170 · Nashville, AR · Accident · 5 fatal · Closed · May 16, 1970 · N4119V · Destroyed
- [NTSB MIA70AM082](https://openairdocs.org/ntsb/MIA70AM082.md): Cessna 170A · Rockledge, FL · Accident · 2 fatal · Closed · Apr 9, 1970 · N2468X · Destroyed
- [NTSB CHI69A0077](https://openairdocs.org/ntsb/CHI69A0077.md): Cessna 170 · Troy, MI · Accident · 2 fatal · Closed · Mar 3, 1969 · N4056V · Destroyed
- [NTSB LAX69O0156](https://openairdocs.org/ntsb/LAX69O0156.md): Cessna 170 · Mexicali, Mexico · Accident · 3 fatal · Closed · Sep 8, 1968 · N4248V · Destroyed
- [NTSB MKC69A0009](https://openairdocs.org/ntsb/MKC69A0009.md): Cessna 170 · Howard Lake, MN · Accident · 2 fatal · Closed · Aug 7, 1968 · N3901V · Destroyed
- [NTSB DEN67A0080](https://openairdocs.org/ntsb/DEN67A0080.md): Cessna 170 · Blanding, UT · Accident · 1 fatal · Closed · Jun 17, 1967 · N4120V · Destroyed
- [NTSB NYC65A0156](https://openairdocs.org/ntsb/NYC65A0156.md): Cessna 170 · Neffsville, PA · Accident · 1 fatal · Closed · Jun 27, 1965 · N4080V · 2 aircraft · Minor damage
- [NTSB DEN65A0060](https://openairdocs.org/ntsb/DEN65A0060.md): Cessna 170 · Ephraim, UT · Accident · 4 fatal · Closed · Mar 20, 1965 · N3974V · Destroyed
- [NTSB UNK64X1758](https://openairdocs.org/ntsb/UNK64X1758.md): Cessna 170B · Lakeville, IN · Accident · 1 fatal · Closed · May 13, 1964 · N1806C · Destroyed
- [NTSB UNK64X1211](https://openairdocs.org/ntsb/UNK64X1211.md): Cessna 170A · Dinosaur Cvr, AZ · Accident · 4 fatal · Closed · Apr 7, 1964 · N2544V · Destroyed
- [NTSB UNK64X1149](https://openairdocs.org/ntsb/UNK64X1149.md): Cessna 170 · Trenton, MI · Accident · 3 fatal · Closed · Apr 3, 1964 · N4175V · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2072302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=2072302

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