# NTSB investigations: Lycoming O-360 series: Loss of control - in flight

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 DEN07LA167](https://openairdocs.org/ntsb/DEN07LA167.md): Robinson R-22 Beta · Silver City, NM · Accident · No injuries · Limited investigation · Final report · Sep 29, 2007 · N74557 · Substantial damage
  > The student pilot's failure to maintain control of the helicopter resulting in his settling with power and subsequent impact with terrain. A factor contributing to the accident was the trees.
- [NTSB DEN07CA131](https://openairdocs.org/ntsb/DEN07CA131.md): Robinson Helicopter R22 Beta · Erie, CO · Accident · No injuries · Data collection · Final report · Jul 31, 2007 · N7508Y · Substantial damage
  > The student pilot's failure to maintain rotor rpm resulting in a loss of aircraft control during a simulated 180 degree auto-rotation. Contributing to the accident was the inadequate flight status supervision by the flight instructor and the student pilot's…
- [NTSB NYC07LA147](https://openairdocs.org/ntsb/NYC07LA147.md): American Champion 8GCBC · Sanford, FL · Accident · 1 fatal · Limited investigation · Final report · Jun 22, 2007 · N139SG · Substantial damage
  > The pilot's failure to maintain airspeed and his excessive pitch attitude while maneuvering.
- [NTSB LAX07CA187](https://openairdocs.org/ntsb/LAX07CA187.md): Aviat Husky A1-B · Winston, MT · Accident · Serious injuries · Data collection · Final report · Jun 3, 2007 · N246AM · Destroyed
  > The pilot's failure to maintain an adequate airspeed while maneuvering at low altitude in a canyon that led to a stall. The pilot's decision to fly along the canyon wall at a low altitude and low energy state was a factor.
- [NTSB NYC07CA128](https://openairdocs.org/ntsb/NYC07CA128.md): Robinson R22 Beta · Nashua, NH · Accident · No injuries · Data collection · Final report · May 25, 2007 · N302CH · Substantial damage
  > The flight instructor's inadvertent entry into a vortex ring state (settling with power). Factors to the accident was the tailwind.
- [NTSB SEA07CA080](https://openairdocs.org/ntsb/SEA07CA080.md): Robinson R22 Beta 2 · Taylorsville, UT · Accident · Minor injuries · Data collection · Final report · Mar 20, 2007 · N74347 · Substantial damage
  > The flight instructor's failure to maintain aircraft control during the flare/touchdown while practicing an autorotation which resulted in a hard landing. A factor which contributed to the accident was the downdraft wind condition.
- [NTSB DEN07CA072](https://openairdocs.org/ntsb/DEN07CA072.md): Robinson R22 Beta · Broomfield, CO · Accident · No injuries · Data collection · Final report · Mar 13, 2007 · N7681H · Substantial damage
  > The instructor's failure to maintain aircraft control. A contributing factor was the windshear.
- [NTSB ANC06LA105](https://openairdocs.org/ntsb/ANC06LA105.md): American Champion 8GCBC · Anchorage, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2006 · N35RF · Substantial damage
  > The flight instructor's failure to maintain sufficient airspeed to avoid a stall during a turn to reverse direction, which resulted in an inadvertent stall and a loss of control. Factors associated with the accident are the inadvertent stall, and the flight…
- [NTSB DFW06FA140](https://openairdocs.org/ntsb/DFW06FA140.md): Aviat A-1B · Edna, TX · Accident · 2 fatal · Field investigation · Final report · May 27, 2006 · N166MA · Substantial damage
  > The pilot's ostentatious display while maneuvering at low altitude which resulted in an inadvertent stall/spin and subsequent impact with the water.
- [NTSB SEA06CA086](https://openairdocs.org/ntsb/SEA06CA086.md): Schmidt RV7A · Northport, WA · Accident · No injuries · Data collection · Final report · Apr 26, 2006 · N20342 · Substantial damage
  > The pilot's failure to maintain directional control during the landing flare/touchdown. Factors contributing to the accident included the gusty wind and soft terrain conditions which resulted in the aircraft nosing over during the landing roll.
- [NTSB SEA06CA072](https://openairdocs.org/ntsb/SEA06CA072.md): Robinson R22 Beta · Tooele, UT · Accident · Minor injuries · Data collection · Final report · Apr 8, 2006 · N921U · Substantial damage
  > The pilot's failure to maintain control of the helicopter during the takeoff initial climb, which resulted in an in-flight collision with the ground. A contributing factor was the gusty wind condition.
- [NTSB DEN05LA130](https://openairdocs.org/ntsb/DEN05LA130.md): Robinson R22 · Falcon, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 2005 · N777UH · Substantial damage
  > the pilot's failure to maintain control of the helicopter while conducting a hovering maneuver.
- [NTSB DFW05CA195](https://openairdocs.org/ntsb/DFW05CA195.md): Robinson R22 Beta II · New Braunfels, TX · Accident · No injuries · Data collection · Final report · Jul 30, 2005 · N18VH · Substantial damage
  > The student pilot's failure to maintain control of the helicopter and delayed remedial action by the flight instructor.
- [NTSB CHI05LA200](https://openairdocs.org/ntsb/CHI05LA200.md): Vans RV-9A · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 2005 · N219CC · Substantial damage
  > The pilot failed to maintain sufficient airspeed on final approach to avoid a stall, resulting in an inadvertent stall and uncontrolled descent to the terrain.
- [NTSB LAX05CA232](https://openairdocs.org/ntsb/LAX05CA232.md): Robinson R-22 Beta II · Mesa, AZ · Accident · No injuries · Data collection · Final report · Jul 15, 2005 · N7514P · Substantial damage
  > the improper use of the throttle and antitorque pedal by the pilot undergoing instruction, and the inadequate supervision of the flight by the certified flight instructor.
- [NTSB DEN05CA085](https://openairdocs.org/ntsb/DEN05CA085.md): Robinson R22 Beta II · Wallsburg, UT · Accident · No injuries · Data collection · Final report · Jun 7, 2005 · N993RW · Substantial damage
  > the flight instructor's inadequate in-flight planning and decision making and failure to maintain aircraft control. Contributing factor's include the flight instructor's inadequate supervision of the flight, the student pilot's failure to maintain rotor rpm,…
- [NTSB DEN05LA082](https://openairdocs.org/ntsb/DEN05LA082.md): Robinson R22 Beta · Provo, UT · Accident · Minor injuries · Limited investigation · Final report · May 23, 2005 · N553SH · Substantial damage
  > the dual student’s failure to maintain adequate rotor rpm and the inadequate supervision by the instructor.
- [NTSB DFW05CA109](https://openairdocs.org/ntsb/DFW05CA109.md): Robinson R22 · Bandera, TX · Accident · No injuries · Data collection · Final report · Apr 27, 2005 · N422SH · Substantial damage
  > The pilot's loss of control while hovering after encountering settling with power.
- [NTSB DFW05CA070](https://openairdocs.org/ntsb/DFW05CA070.md): Robinson R22 · Owasso, OK · Accident · Minor injuries · Data collection · Final report · Feb 16, 2005 · N322DA · Substantial damage
  > The flight instructor's failure to verify that the student had the flight controls and his delayed remedial action.
- [NTSB LAX05CA078](https://openairdocs.org/ntsb/LAX05CA078.md): Robinson R22 · Chandler, AZ · Accident · No injuries · Data collection · Final report · Jan 28, 2005 · N7535Z · Substantial damage
  > the certified flight instructor's inadequate use of the antitorque control pedals while adding throttle, which led to a loss of directional control.
- [NTSB DEN05LA042](https://openairdocs.org/ntsb/DEN05LA042.md): Robinson R22 · Park City, UT · Accident · No injuries · Limited investigation · Final report · Dec 19, 2004 · N993RW · Substantial damage
  > the student pilot's failure to maintain aircraft control, and the instructor's inadequate supervision by her failure to assure adequate rotor rpm was maintained.
- [NTSB SEA05LA005](https://openairdocs.org/ntsb/SEA05LA005.md): Piper PA-18-150 · Oak Harbor, WA · Accident · Serious injuries · Limited investigation · Final report · Oct 13, 2004 · N6410W · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff, which resulted in a collision with terrain.
- [NTSB NYC04LA162](https://openairdocs.org/ntsb/NYC04LA162.md): Robinson R-22 · Norfolk, VA · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2004 · N152SP · Substantial damage
  > The pilot's failure to complete an autorotation due to the restrictive movement of the collective control.
- [NTSB NYC04CA094](https://openairdocs.org/ntsb/NYC04CA094.md): Piper PA-28-181 · Louisville, KY · Accident · No injuries · Data collection · Final report · Mar 25, 2004 · N340PA · Substantial damage
  > The student pilot's failure to maintain directional control while landing, and the CFI's delayed remedial action. A factor related to the accident was the gusting wind conditions.
- [NTSB DEN04LA030](https://openairdocs.org/ntsb/DEN04LA030.md): Robinson R22 · Broomfield, CO · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 2003 · N341MK · Destroyed
  > the flight instructor's failure to maintain aircraft control. Contributing to the accident was the wind gust.
- [NTSB SEA03LA134](https://openairdocs.org/ntsb/SEA03LA134.md): Archer S-18T · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 11, 2003 · N102PM · Substantial damage
  > The pilot's failure to maintain an airspeed above Vs (stalling speed) while making a close-in base-to-final turn.
- [NTSB LAX03CA220](https://openairdocs.org/ntsb/LAX03CA220.md): Robinson R22 Beta · Chandler, AZ · Accident · No injuries · Data collection · Final report · Jul 1, 2003 · N7508E · Substantial damage
  > The student's failure to maintain adequate main rotor rpm and his failure to relinquish the controls.
- [NTSB MIA02LA153](https://openairdocs.org/ntsb/MIA02LA153.md): Reviere Vans RV6A · Tampa, FL · Accident · 2 fatal · Limited investigation · Final report · Aug 18, 2002 · N747ES · Destroyed
  > the failure of the pilot to maintain airspeed, which resulted in an inadvertent stall/spin, while maneuvering, and subsequent impact with a concrete wall. A factor in this accident was the impairment of the pilot in command due to the use of prescription…
- [NTSB ANC01LA119](https://openairdocs.org/ntsb/ANC01LA119.md): Piper PA-18-180 · Glennallen, AK · Accident · No injuries · Limited investigation · Final report · Aug 21, 2001 · N2871P · Substantial damage
  > The pilot's inadequate compensation for wind conditions during takeoff. A factor associated with the accident was a variable wind.

## 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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41575&occurrence=250

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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.