# NTSB investigations: Cessna 170B: Aerodynamic stall/spin

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 ERA25LA320](https://openairdocs.org/ntsb/ERA25LA320.md): Cessna 170B · Livermore Falls, ME · Accident · No injuries · Class 4 · Limited · Final report · Aug 23, 2025 · N170JL · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during landing in gusting wind conditions, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB CEN21LA415](https://openairdocs.org/ntsb/CEN21LA415.md): Cessna 170B · Ozark, AR · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 12, 2021 · N2998D · Substantial damage
  > The pilot’s inadequate takeoff performance planning that resulted in a climb gradient too low to clear trees on departure, and his failure to maintain aircraft control that resulted in an aerodynamic stall and impact with terrain.
- [NTSB GAA18CA429](https://openairdocs.org/ntsb/GAA18CA429.md): Cessna 170 · Spearfish, SD · Accident · No injuries · Data collection · Final report · Jul 19, 2018 · N432W · Substantial damage
  > The pilot’s improper decision to take off in tailwind conditions, which resulted in an aborted takeoff with insufficient runway remaining.
- [NTSB GAA15CA282](https://openairdocs.org/ntsb/GAA15CA282.md): Cessna 170B · Arctic Village, AK · Accident · Minor injuries · Data collection · Final report · Sep 24, 2015 · N2528C · Substantial damage
  > The pilot exceeded the critical angle of attack during takeoff, which resulted in an aerodynamic stall and a collision with terrain.
- [NTSB ANC13FA093](https://openairdocs.org/ntsb/ANC13FA093.md): Cessna 170B · Glennallen, AK · Accident · 1 fatal · Field investigation · Final report · Sep 6, 2013 · N170BN · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while maneuvering at a low altitude, which resulted in an aerodynamic stall/spin and impact with the ground.
- [NTSB WPR13CA301](https://openairdocs.org/ntsb/WPR13CA301.md): Cessna 170B · Fallbrook, CA · Accident · No injuries · Data collection · Final report · Jun 30, 2013 · N2600D · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the takeoff, and his loss of aircraft control during the subsequent stall recovery.
- [NTSB ERA12CA344](https://openairdocs.org/ntsb/ERA12CA344.md): Cessna 170B · Winterville, NC · Accident · No injuries · Data collection · Final report · May 19, 2012 · N170ED · Substantial damage
  > The pilot's excessive bank at low altitude, which resulted in an aerodynamic stall.
- [NTSB ANC09LA088](https://openairdocs.org/ntsb/ANC09LA088.md): Cessna 170B · Anchorage, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2009 · N6073V · Substantial damage
  > The pilot’s decision to make an abrupt and steep low altitude turn just after takeoff, while attempting to return to his departure airport, resulting in an aerodynamic stall and loss of aircraft control. Contributing to the accident was the pilot’s failure to…
- [NTSB ANC08FA037](https://openairdocs.org/ntsb/ANC08FA037.md): Cessna 170B · Tyonek, AK · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2008 · N8458D · Substantial damage
  > The pilot's failure to maintain adequate airspeed to prevent a stall while maneuvering, which resulted in an uncontrolled descent and collision with terrain.

## 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 ('2072306', '2072307')
    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" = '241' 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/241/sequence?model=2072306

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