# 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 DEN08CA046](https://openairdocs.org/ntsb/DEN08CA046.md): Robinson R22 Beta · Pueblo, CO · Accident · No injuries · Data collection · Final report · Dec 21, 2007 · N844SH · Substantial damage
  > the pilot's failure to maintain aircraft control resulting in a hard landing.
- [NTSB LAX07CA247](https://openairdocs.org/ntsb/LAX07CA247.md): Robinson R22 Beta · Chino, CA · Accident · No injuries · Data collection · Final report · Aug 10, 2007 · N10QD · Substantial damage
  > The private pilot's failure to maintain the proper airspeed and main rotor rpm, which resulted in a high rate of descent and subsequent hard landing. Also causal was the certificated flight instructor's delayed remedial action.
- [NTSB SEA07CA171](https://openairdocs.org/ntsb/SEA07CA171.md): Robinson R22 Beta II · Park City, UT · Accident · No injuries · Data collection · Final report · Jun 18, 2007 · N712U · Substantial damage
  > The pilot's failure to maintain rotor RPM during hover taxi. A contributing factor was the high density altitude weather condition.
- [NTSB LAX06CA001](https://openairdocs.org/ntsb/LAX06CA001.md): Robinson Helicopter R22 Beta · Tucson, AZ · Accident · Minor injuries · Data collection · Final report · Oct 3, 2005 · N926SH · Substantial damage
  > the student pilot's failure to maintain adequate airspeed and rotor rpm during a practice autorotation, and the instructor's failure to adequately monitor the maneuver, which resulted in a hard landing and roll over.
- [NTSB SEA05CA182](https://openairdocs.org/ntsb/SEA05CA182.md): Robinson R22 Beta · Boise, ID · Accident · Minor injuries · Data collection · Final report · Aug 27, 2005 · N845SH · Substantial damage
  > Inadequate communications between the certified flight instructor and student pilot, and the student pilot's delay in relinquishing controls resulting in a hard landing during a practice autorotation.
- [NTSB DEN04CA143](https://openairdocs.org/ntsb/DEN04CA143.md): Robinson R22 Beta 2 · Spanish Fork, UT · Accident · Minor injuries · Data collection · Final report · Sep 16, 2004 · N7533E · Substantial damage
  > the pilot's failure to maintain adequate rotor rpm during a practice autorotation, and the flight instructor's improper flare. A contributing factor was the instructor's inadequate supervision of the pilot.
- [NTSB LAX04LA314](https://openairdocs.org/ntsb/LAX04LA314.md): Robinson R22 Beta · North Las Vegas, NV · Accident · Serious injuries · Limited investigation · Final report · Sep 5, 2004 · N994RW · Substantial damage
  > The certified flight instructor's misjudged flare and delayed recovery from the practice autorotation.
- [NTSB LAX04CA198](https://openairdocs.org/ntsb/LAX04CA198.md): Robinson R22 Beta II · Squaw Valley, CA · Accident · No injuries · Data collection · Final report · Apr 27, 2004 · N7521P · Substantial damage
  > the pilot's failure to maintain a proper descent rate during the landing approach, which resulted in a hard landing and roll over. Also causal was the pilot's inadequate compensation for tailwind conditions. A factor in the accident was the high density…
- [NTSB DEN04CA061](https://openairdocs.org/ntsb/DEN04CA061.md): Robinson R22 · Nephi, UT · Accident · No injuries · Data collection · Final report · Apr 14, 2004 · N555UH · Substantial damage
  > the flight instructor's failure to maintain control of the helicopter resulting in a hard landing.
- [NTSB MIA03LA166](https://openairdocs.org/ntsb/MIA03LA166.md): Robinson Robinson R22 Beta · Odessa, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2003 · N129YE · Substantial damage
  > The failure of the pilot to maintain the proper airspeed during the practice 180-degree autorotational landing and his failure to maintain main rotor rpm resulting in a hard landing. A contributing factor in the accident was the delay by the designated pilot…
- [NTSB LAX03LA191](https://openairdocs.org/ntsb/LAX03LA191.md): Robinson R-22 Beta · Phoenix, AZ · Accident · Minor injuries · Limited investigation · Final report · Jun 11, 2003 · N7508D · Substantial damage
  > The student pilot's improper use of the throttle control, the certified flight instructor (CFI) inadequate supervision, and the student's control interference, which resulted in a loss of main rotor rpm.
- [NTSB LAX02LA239](https://openairdocs.org/ntsb/LAX02LA239.md): Robinson R22 Beta · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Jul 27, 2002 · N232DR · Substantial damage
  > the student pilot's failure to maintain adequate main rotor rpm, the CFI's delayed remedial action and inadequate supervision of the flight, resulting in a hard landing. Wind gusts and the high density altitude were factors in the accident.
- [NTSB CHI97LA291](https://openairdocs.org/ntsb/CHI97LA291.md): Cessna 177B · Oxford, IA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1997 · N34829 · Substantial damage
  > the instructor pilot's improper recovery from a bounced landing and his failure to maintain control of the airplane. Factors were the improper flare by the dual student and the instructor pilot's lack of familiarity with the airplane.
- [NTSB LAX97LA295](https://openairdocs.org/ntsb/LAX97LA295.md): Cessna 172N · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Aug 19, 1997 · N3266E · Substantial damage
  > The pilot's inadequate recovery from a bounced landing.
- [NTSB CHI92LA157](https://openairdocs.org/ntsb/CHI92LA157.md): Cessna 150 · South Bend, IN · Accident · No injuries · Limited investigation · Final report · May 22, 1992 · N6349G · Substantial damage
  > Improper aircraft control by the pilot.
- [NTSB LAX91LA194](https://openairdocs.org/ntsb/LAX91LA194.md): Lancair 320 · Fall River Mill, CA · Accident · No injuries · Limited investigation · Final report · May 5, 1991 · N320MC · Destroyed
  > Failure of the pilot-in-command to compensate for wind conditions and to recover from a bounced landing which resulted in an on ground loss of control. Contributing to the accident was the wind conditions and turbulence at the airport at the time of the…

## 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 200))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41575&occurrence=200

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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.