# NTSB investigations: Mcdonnell Douglas Helicopter 600N

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 GAA25WA129](https://openairdocs.org/ntsb/GAA25WA129.md): Mcdonnell Douglas Helicopter 600 · Dos Ríos, Mexico · Accident · No injuries · Class 5 · Foreign · Mar 21, 2025 · N511VA · Substantial damage
- [NTSB CEN24LA271](https://openairdocs.org/ntsb/CEN24LA271.md): Mcdonnell Douglas Helicopter 600N · Eagle Lake, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 16, 2024 · N609RP · Destroyed
  > The operator’s improper installation of the fuel system, which resulted in fuel starvation, a loss of engine power, and impact with terrain.
- [NTSB CEN21LA116](https://openairdocs.org/ntsb/CEN21LA116.md): Mcdonnell Douglas Helicopter 600N · Mankato, MN · Accident · No injuries · Class 4 · Limited · Final report · Jan 22, 2021 · N60BK · Substantial damage
  > The pilot’s loss of situational awareness while landing, resulting in an impact with power lines.
- [NTSB WPR20LA235](https://openairdocs.org/ntsb/WPR20LA235.md): Mcdonnell Douglas 600 · Thompson Falls, MT · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2020 · N208MP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR20LA228](https://openairdocs.org/ntsb/WPR20LA228.md): Md Helicopter 600 · San Andreas, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2020 · N745BW · Destroyed
  > The failure of the output shaft of the overrunning clutch inner race due to frictional overheating of the shaft, which resulted from the failure of the output bearing’s stainless-steel grease seal.
- [NTSB ERA18FA122](https://openairdocs.org/ntsb/ERA18FA122.md): MD Helicopter 600 · Smethport, PA · Accident · 2 fatal · Field investigation · Final report · Apr 8, 2018 · N602BP · Destroyed
  > The helicopter pilot's failure to maintain adequate clearance during power line construction work, which resulted in the helicopter's main rotor striking and becoming entangled with a wire and a subsequent dynamic rollover and collision with terrain.…
- [NTSB CEN17WA102](https://openairdocs.org/ntsb/CEN17WA102.md): MD Helicopter 600 · Guatemala City, Guatemala · Accident · 4 fatal · Foreign investigation · Feb 7, 2017 · N245SE · Substantial damage
  > On February 7, 2017, about 1253 local time, a United States-registered MD 600N helicopter, N245SE, impacted terrain at the La Aurora International Airport, Guatemala City, Guatemala. The pilot and three passengers were fatally injured. The investigation is…
- [NTSB WPR16LA081](https://openairdocs.org/ntsb/WPR16LA081.md): Mcdonnell Douglas Helicopter 600N · Ashland, OR · Accident · No injuries · Limited investigation · Final report · Feb 5, 2016 · N745BW · Substantial damage
  > Fatigue cracking of a main rotor blade for reasons that could not be determined based on the available information.
- [NTSB CEN16LA058](https://openairdocs.org/ntsb/CEN16LA058.md): Mcdonnell Douglas Helicopter 600N · Angleton, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 7, 2015 · N607BP · Substantial damage
  > A loss of control while hovering for reasons that could not be determined, because postaccident examination revealed no mechanical anomalies or failures that would have precluded normal operation.
- [NTSB WPR14LA173](https://openairdocs.org/ntsb/WPR14LA173.md): Mcdonnell Douglas Helicopter 600N · Adelanto, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 2014 · N606BP · Substantial damage
  > The commercial pilot’s improper control inputs, which resulted in a loss of helicopter control during takeoff.
- [NTSB ANC12FA084](https://openairdocs.org/ntsb/ANC12FA084.md): Mcdonnell Douglas Helicopter 600N · Delta Junction, AK · Accident · 1 fatal · Field investigation · Final report · Aug 8, 2012 · N737TV · Substantial damage
  > The pilot’s failure to clear the left landing gear skid, which resulted in the entanglement of the left landing gear skid with a log, and his subsequent application of collective pitch, which resulted in a dynamic rollover.
- [NTSB WPR09GA119](https://openairdocs.org/ntsb/WPR09GA119.md): Mcdonnell Douglas Helicopter 600 · San Clemente, CA · Accident · Serious injuries · Final report · Feb 20, 2009 · N608BP · Substantial damage
  > Failure of the engine’s number two bearing during cruise flight, which resulted in a loss of engine power.
- [NTSB LAX03GA001](https://openairdocs.org/ntsb/LAX03GA001.md): McDonnell Douglas 600N · Rialto, CA · Accident · Serious injuries · Final report · Oct 4, 2002 · N625SB · Substantial damage
  > an engine deceleration event due to a loose HMU fuel line fitting, which was a result of inadequate maintenance procedures in the 100/300-hour inspection. Also causal was the flying pilot's and pilot-in-command's delayed recognition of the power loss, as well…
- [NTSB ATL02LA095](https://openairdocs.org/ntsb/ATL02LA095.md): McDonnell Douglas MD-600N · Deland, FL · Accident · No injuries · Limited investigation · Final report · May 10, 2002 · N810LA · Substantial damage
  > The pilot's failure to follow the FADEC malfunction checklist that resulted in the loss of rotor RPM, and the pilot's improper use of the flight controls during the precautionary landing that resulted in a hard landing. A factor was the malfunction of the…
- [NTSB LAX02IA013](https://openairdocs.org/ntsb/LAX02IA013.md): McDonnell Douglas 600N · Long Beach, CA · Incident · No injuries · Incident investigation · Final report · Oct 23, 2001 · N959SD · No damage
  > The fatigue failure of a 5/16-inch boom attach bolt was most probably caused by the angular misalignment between the tail boom bolt hole and the fuselage mounted nutplate.
- [NTSB LAX01TA092](https://openairdocs.org/ntsb/LAX01TA092.md): McDonnell Douglas 600N · San Diego, CA · Accident · No injuries · Final report · Feb 21, 2001 · N606BP · Substantial damage
  > The student pilot's improper use of the rotorcraft flight controls, and the instructor pilot's inadequate supervision of the maneuver.
- [NTSB MIA00FA102](https://openairdocs.org/ntsb/MIA00FA102.md): McDonnell Douglas HU-600N · Miami, FL · Accident · 2 fatal · Field investigation · Final report · Mar 3, 2000 · N611BC · Destroyed
  > The pilot's ostentatious display and in-flight decision to perform an abrupt low altitude pitch up maneuver (aerobatic flight). This resulted in the main rotor blades colliding with and separating the tail boom assembly while maneuvering, and the helicopters…
- [NTSB LAX99TA115](https://openairdocs.org/ntsb/LAX99TA115.md): McDonnell Douglas 600N · Rialto, CA · Accident · Minor injuries · Final report · Mar 10, 1999 · N626SB · Substantial damage
  > The pilot's improper in-flight decision to maneuver in the area while observed inclement weather approached, which led to a loss of control. Contributing factors were the low ceilings, mountainous terrain and spatial disorientation.
- [NTSB LAX98LA093](https://openairdocs.org/ntsb/LAX98LA093.md): Boeing MD600N · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Feb 3, 1998 · N9204D · Substantial damage
  > the attempt by flight test engineers to verify a height/velocity data point that was subsequently shown to be outside the aircraft's performance capabilities.
- [NTSB LAX97FA091](https://openairdocs.org/ntsb/LAX97FA091.md): McDonnell Douglas MD600N · Flagstaff, AZ · Accident · No injuries · Field investigation · Final report · Jan 18, 1997 · N9202L · Destroyed
  > failure of the manufacturer to follow its directive to develop corrective measures in response to known accident data, and their failure to ensure that pertinent information (in engineering department) was communicated to the test pilot and flight test…
- [NTSB LAX96LA207](https://openairdocs.org/ntsb/LAX96LA207.md): McDonnell Douglas MD-600 · Thermal, CA · Accident · No injuries · Limited investigation · Final report · May 28, 1996 · N600RN · Destroyed
  > inadequate design of the stress limits for cyclic control of the helicopter.

## 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 ('3027377'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3027377

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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.
