# NTSB investigations: Schweizer 269C: Hard 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 CEN25LA003](https://openairdocs.org/ntsb/CEN25LA003.md): Schweizer 269C · Montrose, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 3, 2024 · N656RB · Substantial damage
  > A loss of engine power during a demonstrated autorotation due to an improperly adjusted air-fuel mixture or idle setting. Contributing to the accident was the pilot’s failure to perform the required idle check during previous flights in higher elevation areas.
- [NTSB ERA23LA205](https://openairdocs.org/ntsb/ERA23LA205.md): Schweizer 269C · Springfield, TN · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2023 · N789LH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB GAA19CA284](https://openairdocs.org/ntsb/GAA19CA284.md): Schweizer 269C · Riverside, CA · Accident · No injuries · Data collection · Final report · May 24, 2019 · N269P · Substantial damage
  > The student pilot's failure to maintain yaw control and the engine's rpm during transition to a hover, which resulted in hard landing.
- [NTSB GAA18CA539](https://openairdocs.org/ntsb/GAA18CA539.md): Schweizer 269C · Delaware, OH · Accident · No injuries · Data collection · Final report · Sep 3, 2018 · N139JS · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR17LA093](https://openairdocs.org/ntsb/WPR17LA093.md): Schweizer 269C · Coolidge, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 2017 · N521AR · Substantial damage
  > A partial loss of engine power due to separation of the throttle cable.
- [NTSB WPR15LA249](https://openairdocs.org/ntsb/WPR15LA249.md): Schweizer 269C - Undesignat · Mesa, AZ · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 2015 · N315TV · Substantial damage
  > The disbondment of a main rotor damper, which resulted in the degradation of its damping action and led to excessive main rotor vibrations and oscillations that caused substantial damage to the helicopter in flight and led to a hard landing.
- [NTSB WPR15LA245](https://openairdocs.org/ntsb/WPR15LA245.md): Schweizer 269C · Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 2015 · N17YS · Substantial damage
  > A total loss of engine power during a practice autorotation for reasons that could not be determined.
- [NTSB WPR15FA205](https://openairdocs.org/ntsb/WPR15FA205.md): Schweizer 269C · Newberg, OR · Accident · 2 fatal · Field investigation · Final report · Jul 2, 2015 · N2096W · Destroyed
  > The loss of translation/rotational power between the engine and the transmission due to the severe wear of the forward spline portion of the lower coupling drive shaft. The reason for the severe wear of the forward spline could not be definitively determined…
- [NTSB CEN14CA513](https://openairdocs.org/ntsb/CEN14CA513.md): Schweizer 269C · Grand Forks, ND · Accident · No injuries · Data collection · Final report · Sep 22, 2014 · N1675U · Substantial damage
  > The flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a tail rotor strike.
- [NTSB ERA14CA080](https://openairdocs.org/ntsb/ERA14CA080.md): Schweizer 269C · White Plains, NY · Accident · Minor injuries · Data collection · Final report · Dec 28, 2013 · N2056J · Substantial damage
  > The flight instructor's failure to maintain airspeed during a practice autorotation, which resulted in a hard landing and subsequent loss of control
- [NTSB ERA13LA300](https://openairdocs.org/ntsb/ERA13LA300.md): Sikorsky 269C · Lumberton, NJ · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2013 · N2091E · Substantial damage
  > The pilot's movement of the throttle to the idle detent at the beginning of a practice autorotation, which was contrary to procedures and resulted in the engine hesitating during the power recovery and a subsequent hard landing.
- [NTSB WPR13CA253](https://openairdocs.org/ntsb/WPR13CA253.md): Schweizer 300C · Hamilton, MT · Accident · No injuries · Data collection · Final report · May 1, 2013 · N322MH · Substantial damage
  > The student pilot’s failure to maintain helicopter control during a practice autorotation and the flight instructor's delayed remedial action.
- [NTSB ERA12LA368](https://openairdocs.org/ntsb/ERA12LA368.md): Schweizer 269C · Piney Flats, TN · Accident · No injuries · Limited investigation · Final report · May 24, 2012 · N760DA · Substantial damage
  > The mechanic’s improper maintenance of the main transmission aft pinion nut and belt drive system, which resulted in the uncoupling of the tail rotor driveshaft and the subsequent loss of helicopter control.
- [NTSB WPR10CA442](https://openairdocs.org/ntsb/WPR10CA442.md): Schweizer 269C · Caldwell, ID · Accident · No injuries · Data collection · Final report · Aug 31, 2010 · N1534C · Substantial damage
  > The failure of both pilots to maintain adequate main rotor RPM, the flight instructor's delayed remedial actions, and inadequate supervision of the flight.
- [NTSB CEN10LA408](https://openairdocs.org/ntsb/CEN10LA408.md): Schweizer 269C · Minden, NE · Accident · No injuries · Limited investigation · Final report · Jul 19, 2010 · N410JM · Substantial damage
  > The pilot's inadequate flare during an autorotation, which resulted in a hard landing and subsequent rollover.
- [NTSB CEN10CA183](https://openairdocs.org/ntsb/CEN10CA183.md): Schweizer 269C · Idledale, CO · Accident · Minor injuries · Data collection · Final report · Apr 4, 2010 · N67TK · Substantial damage
  > The flight instructor's delayed remedial actions to regain rotor rpm, resulting in a rapid descent and hard landing.
- [NTSB WPR09LA213](https://openairdocs.org/ntsb/WPR09LA213.md): Schweizer 269C · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Apr 22, 2009 · N17YS · Substantial damage
  > Loss of engine power during approach for undetermined reasons.

## 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 ('8059502')
    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" = '092' 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/092/sequence?model=8059502

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