# NTSB investigations: Lycoming O-360 series: 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 WPR24LA183](https://openairdocs.org/ntsb/WPR24LA183.md): Robinson Helicopter R22 Beta · Maricopa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Jun 6, 2024 · N7514V · Substantial damage
  > The flight instructor’s unstabilized approach during an autorotation that resulted in hard landing.
- [NTSB WPR24LA128](https://openairdocs.org/ntsb/WPR24LA128.md): Bearhawk 4-Place · Buckhorn, NM · Accident · No injuries · Class 4 · Limited · Final report · Apr 20, 2024 · N1685 · Substantial damage
  > The pilot’s inflight loss of control during landing following an encounter with a wind gust which resulted in a hard landing.
- [NTSB WPR22LA359](https://openairdocs.org/ntsb/WPR22LA359.md): Robinson Helicopter R22 Beta · Mesa, AZ · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 26, 2022 · N252SC · Substantial damage
  > The flight instructor’s failure to maintain control of the helicopter’s rate of descent, resulting in a hard landing.
- [NTSB CEN22LA304](https://openairdocs.org/ntsb/CEN22LA304.md): Robinson Helicopter R22 Beta · Yoakum, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 17, 2022 · N743DP · Substantial damage
  > The pilot's loss of helicopter control on approach to land due to a settling with power condition, which resulted in a hard landing.
- [NTSB ERA22LA248](https://openairdocs.org/ntsb/ERA22LA248.md): Foster William D Elite · Winter Haven, FL · Accident · No injuries · Class 4 · Limited · Final report · May 30, 2022 · N136WF · Substantial damage
  > The pilot’s improper flare and inadequate application of power during landing, resulting in a hard landing and substantial damage to the airplane.
- [NTSB WPR20CA140](https://openairdocs.org/ntsb/WPR20CA140.md): Robinson R22 · Caldwell, ID · Accident · No injuries · Data collection · Final report · Apr 22, 2020 · N6703S · Substantial damage
  > The flight instructor's failure to set the proper rotor rpm during a practice autorotation, which led to his failure to maintain a proper descent rate and resulted in a hard, bounced landing.
- [NTSB WPR18LA041](https://openairdocs.org/ntsb/WPR18LA041.md): Robinson Helicopter R22 · Truckee, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 30, 2017 · N47WH · Substantial damage
  > The flight instructor’s failure to execute a power recovery from a non-stabilized autorotative descent, which resulted in a hard landing.
- [NTSB GAA18CA030](https://openairdocs.org/ntsb/GAA18CA030.md): Robinson Helicopter R22 Beta · Las Vegas, NV · Accident · No injuries · Data collection · Final report · Oct 6, 2017 · N878MC · Substantial damage
  > The student pilot’s tension on the flight control at a low level during an autorotation, which did not allow sufficient time for the flight instructor to correct and recover control before the hard landing.
- [NTSB WPR17LA211](https://openairdocs.org/ntsb/WPR17LA211.md): Robinson Helicopter R22 · Long Beach, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 2017 · N7514S · Substantial damage
  > The student pilot's failure to maintain rotor rpm during the crosswind landing approach and his subsequent improper decision to initiate an autorotation instead of applying corrective control inputs after the helicopter experienced normal airframe vibration.…
- [NTSB GAA17CA434](https://openairdocs.org/ntsb/GAA17CA434.md): Robinson Helicopter R22 · Bozeman, MT · Accident · No injuries · Data collection · Final report · Jul 21, 2017 · N28VH · Substantial damage
  > The flight instructor’s unstabilized autorotation, which resulted in a hard landing.
- [NTSB WPR15CA043](https://openairdocs.org/ntsb/WPR15CA043.md): Robinson Helicopter R22 Beta · Prescott, AZ · Accident · Minor injuries · Data collection · Final report · Nov 15, 2014 · N32VH · Substantial damage
  > The certified flight instructor's failure to maintain helicopter control during the autorotation which resulted in a hard landing and subsequent roll over.
- [NTSB WPR13CA107](https://openairdocs.org/ntsb/WPR13CA107.md): Robinson R22 · Kona, HI · Accident · No injuries · Data collection · Final report · Jan 30, 2013 · N333PJ · Substantial damage
  > The pilot’s failure to maintain adequate main rotor rpm during a practice autorotation and the flight instructor's delayed action, which resulted in a hard landing.
- [NTSB WPR12CA380](https://openairdocs.org/ntsb/WPR12CA380.md): Piper PA-28-181 · Wickenburg, AZ · Accident · No injuries · Data collection · Final report · Aug 30, 2012 · N309PA · Substantial damage
  > The flight instructor’s delayed response in correcting the student pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR12CA307](https://openairdocs.org/ntsb/WPR12CA307.md): Robinson Helicopter R22 · Bountiful, UT · Accident · No injuries · Data collection · Final report · Jul 16, 2012 · N47WH · Substantial damage
  > The student’s failure to maintain adequate rotor rpm and the flight instructor’s delayed remedial action, which resulted in a hard landing.
- [NTSB WPR11LA471](https://openairdocs.org/ntsb/WPR11LA471.md): Piper PA-44-180 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Sep 4, 2011 · N316PA · Substantial damage
  > The pilot's improper flare and hard landing, which resulted in the failure of the nose landing gear drag link in overstress.
- [NTSB WPR11CA031](https://openairdocs.org/ntsb/WPR11CA031.md): Robinson Helicopter R22 Beta · Prescott, AZ · Accident · Minor injuries · Data collection · Final report · Oct 29, 2010 · N844SH · Substantial damage
  > The student pilot's failure to maintain the proper airspeed and the certificated flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a hard landing and rollover.
- [NTSB WPR10CA042](https://openairdocs.org/ntsb/WPR10CA042.md): Robinson Helicopter R22 Beta · Marsing, ID · Accident · No injuries · Data collection · Final report · Oct 31, 2009 · N74607 · Substantial damage
  > The pilot's failure to maintain adequate main rotor rpm during the approach and subsequent go-around and the certified flight instructor's inadequate supervision of the flight.
- [NTSB WPR09CA448](https://openairdocs.org/ntsb/WPR09CA448.md): Robinson Helicopter R22 · Irvine, CA · Accident · No injuries · Data collection · Final report · Sep 15, 2009 · N796SH · Substantial damage
  > The flight instructor's failure to maintain an adequate airspeed and his delayed recovery action during the practice autorotation, which resulted in a hard landing.
- [NTSB WPR09CA360](https://openairdocs.org/ntsb/WPR09CA360.md): Robinson R22 Beta · Jerome, AZ · Accident · Serious injuries · Data collection · Final report · Jul 21, 2009 · N747ER · Substantial damage
  > The pilot’s failure to maintain adequate main rotor rpm's, and the certified flight instructor’s inadequate supervision of the flight.
- [NTSB WPR09CA118](https://openairdocs.org/ntsb/WPR09CA118.md): Robinson Helicopter R22 Beta II · Encinitas, CA · Accident · No injuries · Data collection · Final report · Feb 18, 2009 · N588LE · Substantial damage
  > A partial loss of engine power for an undetermined reason. Contributing to the accident was the soft terrain.
- [NTSB WPR09CA055](https://openairdocs.org/ntsb/WPR09CA055.md): Cessna 172RG · Truckee, CA · Accident · No injuries · Data collection · Final report · Dec 2, 2008 · N172MN · Substantial damage
  > The pilot misjudged the landing flare resulting in a hard landing.

## 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.engine_model_code IN ('41575')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '092'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/092/cases?engine=41575

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