# NTSB investigations: Mcdonnell Douglas Helicopter 369E

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 WPR26LA188](https://openairdocs.org/ntsb/WPR26LA188.md): Mcdonnell Douglas Helicopter 500 · Twin Falls, ID · Accident · Minor injuries · Class 4 · Limited · Final report · May 14, 2026 · N952SF · Substantial damage
  > The pilot’s failure to maintain control while hovering in gusty wind conditions, resulting in the helicopter rolling onto its side.
- [NTSB CEN24LA377](https://openairdocs.org/ntsb/CEN24LA377.md): Mcdonnell Douglas Helicopter 369E · Manvel, TX · Accident · No injuries · Class 4 · Limited · Final report · Sep 30, 2024 · N8372F · Substantial damage
  > The pilot’s improper recovery from a practice autorotation which resulted in a hard landing. Contributing to the accident was the instructor’s inadequate supervision of the pilot receiving instruction.
- [NTSB WPR24LA243](https://openairdocs.org/ntsb/WPR24LA243.md): Mcdonnell Douglas Helicopter 369E · Cottonwood, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jul 13, 2024 · N473E · Substantial damage
  > The pilot’s low-speed, high-power maneuvering in high density altitude and near maximum gross weight, which resulted in an uncommanded right yaw due to a loss of tail rotor effectiveness and a subsequent hard landing.
- [NTSB ANC24LA017](https://openairdocs.org/ntsb/ANC24LA017.md): MD Helicopter 369E/500E · Kekaha, HI · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 27, 2024 · N633JH · Substantial damage
  > Maintenance personnel’s noncompliance with maintenance manual procedures that required the removal of the overrunning clutch output bearing during the regreasing procedure, which resulted in inadequate regreasing of the bearing and the subsequent failure of…
- [NTSB ANC24LA012](https://openairdocs.org/ntsb/ANC24LA012.md): Mcdonnell Douglas Helicopter 369E · Waialua, HI · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2024 · N545PH · Substantial damage
  > The pilot's inability to maintain directional control after a skid got caught on a fence while he was maneuvering the helicopter for takeoff, which resulted in a dynamic roll-over.
- [NTSB CEN23LA404](https://openairdocs.org/ntsb/CEN23LA404.md): Mcdonnell Douglas Helicopter 369E · Arcola, TX · Accident · No injuries · Class 4 · Limited · Final report · Sep 7, 2023 · N8372F · Substantial damage
  > The instructor’s failure to re-apply engine power during a power recovery after a practice autorotation which resulted in a hard landing.
- [NTSB CEN22LA063](https://openairdocs.org/ntsb/CEN22LA063.md): Mcdonnell Douglas Helicopter 369E · St. Louis, MO · Accident · No injuries · Class 4 · Limited · Final report · Dec 2, 2021 · N911PH · Substantial damage
  > The pilot’s failure to apply power during the recovery procedure for the practice autorotation, which resulted in a hard landing.
- [NTSB ANC21LA083](https://openairdocs.org/ntsb/ANC21LA083.md): Mcdonnell Douglas Helicopter 369E · Delta Junction, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 7, 2021 · N125KW · Substantial damage
  > The pilot’s inability to maintain lateral control during the takeoff, which resulted in dynamic rollover. Contributing to the accident was the pilot’s decision to utilize an unsuitable landing area for flight operations.
- [NTSB ERA21LA262](https://openairdocs.org/ntsb/ERA21LA262.md): Mcdonnell Douglas Helicopter 369E · Swan Lake, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 18, 2021 · N371EE · Substantial damage
  > The pilot's failure to maintain adequate clearance from the power transmission tower structure during powerline maintenance work, which resulted in the helicopter's main rotor striking the lifeline support bracket for the tower catwalk and the subsequent loss…
- [NTSB WPR19LA205](https://openairdocs.org/ntsb/WPR19LA205.md): Md Helicopter 369 · Eugene, OR · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 28, 2019 · N438RC · Substantial damage
  > The left seat pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control.
- [NTSB WPR19LA111](https://openairdocs.org/ntsb/WPR19LA111.md): MD Helicopter 369 · Hauula, HI · Accident · No injuries · Class 3 · Limited · Final report · Apr 16, 2019 · N593C · Substantial damage
  > Fuel exhaustion as a result of the pilot’s fuel burn miscalculation. Contributing to the accident was the inoperative caution light indicating low fuel level.
- [NTSB WPR19LA087](https://openairdocs.org/ntsb/WPR19LA087.md): MD Helicopter 369 · Kukuihaele, HI · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 21, 2019 · N506PH · Substantial damage
  > The partial loss of engine power due to corrosion in the engine bleed valve due to wash solution intrusion. Contributing to the accident was the installation of a bushing manufactured to incorrect dimensions in the bleed valve, and the uneven terrain at the…
- [NTSB CEN18LA365](https://openairdocs.org/ntsb/CEN18LA365.md): MD Helicopters MD-369 · Orchard Lake, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2018 · N1601Y · Substantial damage
  > The pilot's failure to maintain helicopter control and terrain clearance while in a hover after performing an evasive maneuver to avoid wildlife.
- [NTSB WPR17LA005](https://openairdocs.org/ntsb/WPR17LA005.md): Mcdonnell Douglas Helicopter 369E · Waimea, HI · Accident · No injuries · Limited investigation · Final report · Oct 4, 2016 · N311VT · Substantial damage
  > Impact of the lift cable after it exited the helicopter during liftoff with the main rotor (MR) blades, which resulted in the separation of an MR blade tip and the vertical vibration of the helicopter.
- [NTSB CEN16FA171](https://openairdocs.org/ntsb/CEN16FA171.md): Mcdonnell Douglas Helicopter 369E · Reedsville, WI · Accident · 1 fatal · Field investigation · Final report · May 4, 2016 · N629JK · Substantial damage
  > The failure of the power turbine governor's dual-spool bearing due to a lack of lubrication, which resulted in a complete loss of engine power and subsequent impact with terrain.
- [NTSB ERA15LA337](https://openairdocs.org/ntsb/ERA15LA337.md): Mcdonnell Douglas Helicopter 369E · New Smyrna Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2015 · N16056 · Substantial damage
  > The pilot’s inadequate visual lookout and failure to maintain clearance from trees while maneuvering at low altitude.
- [NTSB ERA15CA055](https://openairdocs.org/ntsb/ERA15CA055.md): Mcdonnell Douglas Helicopter MD500 · Decatur, AL · Accident · No injuries · Data collection · Final report · Nov 18, 2014 · N8371F · Substantial damage
  > An undetermined pilot's failure to maintain clearance from an electrical transmission tower resulting in substantial damage to a main rotor blade. Postaccident investigation could not determine which of two pilots was flying the helicopter at the time the…
- [NTSB ERA14FA396](https://openairdocs.org/ntsb/ERA14FA396.md): Mcdonnell Douglas Helicopter 369E · Northport, AL · Accident · 2 fatal · Field investigation · Final report · Aug 19, 2014 · N444RS · Substantial damage
  > An inadvertent collision with a utility wire for reasons that could not be determined from recorded data and examination of the helicopter and accident site.
- [NTSB WPR13GA374](https://openairdocs.org/ntsb/WPR13GA374.md): Mcdonnell Douglas Helicopter 369E · Burns, OR · Accident · No injuries · Final report · Aug 12, 2013 · N62PJ · Substantial damage
  > The total loss of engine power during cruise flight due to the separation of one of the 4th-stage turbine wheel blades due to low-cycle fatigue cracking that had progressed to high-cycle fatigue cracking, which ultimately led to the overload failure of the…
- [NTSB ERA13TA341](https://openairdocs.org/ntsb/ERA13TA341.md): Mcdonnell Douglas Helicopter 369E · Jackson, KY · Accident · Serious injuries · Final report · Jul 29, 2013 · N1608D · Destroyed
  > The helicopter pilot's inadvertent collision with an unmarked and uncharted utility wire of which he was unaware.
- [NTSB WPR13CA342](https://openairdocs.org/ntsb/WPR13CA342.md): Mcdonnell Douglas Helicopter 369E · Hilo, HI · Accident · No injuries · Data collection · Final report · Jul 25, 2013 · N500PH · Substantial damage
  > A loss of engine power due to the pilot's improper planning and mismanagement of the fuel supply, which resulted in fuel exhaustion.
- [NTSB ERA10LA238](https://openairdocs.org/ntsb/ERA10LA238.md): Mcdonnell Douglas Helicopter 369E · Newfane, VT · Accident · Serious injuries · Limited investigation · Final report · Apr 21, 2010 · N400MB · Substantial damage
  > The pilot's inadvertent encounter with a rope while maneuvering during powerline operations for undetermined reasons.
- [NTSB ERA10LA023](https://openairdocs.org/ntsb/ERA10LA023.md): Mcdonnell Douglas Helicopter 369E · Winnsboro, SC · Accident · No injuries · Limited investigation · Final report · Oct 19, 2009 · N502SL · Substantial damage
  > The flight instructor's failure to monitor the simulated emergency procedure, resulting in a hard landing. Contributing to the accident was the intentional throttle application by one of the flightcrew.
- [NTSB ERA09LA460](https://openairdocs.org/ntsb/ERA09LA460.md): Mcdonnell Douglas Helicopter 369E · Acworth, GA · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 2009 · N527BB · Substantial damage
  > The loss of engine power due to the fatigue failure of the third-stage turbine wheel airfoil.
- [NTSB ERA09IA499](https://openairdocs.org/ntsb/ERA09IA499.md): Mcdonnell Douglas Helicopter 369E · Allentown, PA · Incident · No injuries · Incident investigation · Final report · Sep 29, 2008 · N801SB · Minor damage
  > The fatigue failure of a blade in the second-stage turbine wheel, which resulted in a total loss of engine power.
- [NTSB SEA08FA071](https://openairdocs.org/ntsb/SEA08FA071.md): Mcdonnell Douglas 369E · Hilo, HI · Accident · Minor injuries · Field investigation · Final report · Feb 8, 2008 · N698DM · Substantial damage
  > A leak in the fuel filter pressure differential switch that resulted in a loss of engine power. Contributing to the accident was uneven terrain that hindered a successful emergency landing.
- [NTSB MIA04LA121](https://openairdocs.org/ntsb/MIA04LA121.md): McDonnell Douglas 369E · Ochopee, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 2004 · N42928 · Substantial damage
  > The pilot's loss of control in flight for undetermined reasons, which resulted in an uncontrolled descent, and subsequent impact with trees and the terrain.
- [NTSB LAX02GA209](https://openairdocs.org/ntsb/LAX02GA209.md): McDonnell Douglas 369E · Ontario, CA · Accident · Serious injuries · Final report · Jun 25, 2002 · N40NT · Destroyed
  > The mechanic's improper maintenance procedures (FOD prevention) during a 100-hour inspection, which resulted in foreign object damage (FOD) to the compressor section and catastrophic engine failure. Factors were the presence of vehicles and power lines…
- [NTSB NYC01LA179](https://openairdocs.org/ntsb/NYC01LA179.md): McDonnell Douglas 369E · Niagara Falls, NY · Accident · No injuries · Limited investigation · Final report · Jul 19, 2001 · N577DB · Substantial damage
  > The right skid getting snagged on the helicopter-dolly resulting in dynamic rollover.
- [NTSB DEN00FA082](https://openairdocs.org/ntsb/DEN00FA082.md): McDonnell Douglas 369E · Bloomfield, NM · Accident · 2 fatal · Field investigation · Final report · May 2, 2000 · N1606K · Destroyed
  > The pilot's intentional buzzing (low level flying), and his failure to maintain clearance with the static wire. A factor was his physical impairment by a contraindicated drug controlled substance.
- [NTSB FTW96FA060](https://openairdocs.org/ntsb/FTW96FA060.md): McDonnell Douglas 369E · Thibodaux, LA · Accident · 1 fatal · Field investigation · Final report · Dec 5, 1995 · N16089 · Destroyed
  > failure of the pilot to maintain clearance from the power line and utility pole. The gusty/crosswind (weather) condition was a related factor.
- [NTSB SEA95FA064](https://openairdocs.org/ntsb/SEA95FA064.md): McDonnell Douglas 369E · Lakecreek, OR · Accident · 1 fatal · Field investigation · Final report · Mar 7, 1995 · N59HS · Destroyed
  > The pilot's failure to maintain adequate clearance from the surrounding terrain. A factor was the transmission lines.
- [NTSB NYC94FA014](https://openairdocs.org/ntsb/NYC94FA014.md): Mcdonnell Douglas 369E · Richfield, OH · Accident · 1 fatal · Field investigation · Final report · Oct 19, 1993 · N1605Z · Destroyed
  > An in flight collision with power lines while the pilot was maneuvering the helicopter at a low altitude. A factor in this accident was reduced visibility due to foggy weather conditions.
- [NTSB MIA93T#A04](https://openairdocs.org/ntsb/MIA93T%23A04.md): Mcdonnell Douglas 369E · Jacksonville, FL · Accident · No injuries · Class 3 · Final report · Aug 18, 1993 · N313JP · Substantial damage
- [NTSB NYC92WA186](https://openairdocs.org/ntsb/NYC92WA186.md): Mcdonnell Douglas 500E · Niagara Falls, Canada · Accident · 4 fatal · Foreign investigation · Sep 29, 1992 · N588DB · 2 aircraft · Destroyed
- [NTSB FTW92GA160](https://openairdocs.org/ntsb/FTW92GA160.md): Mcdonnell Douglas 369E · Yukon, OK · Accident · No injuries · Final report · Jun 13, 1992 · N684F · Substantial damage
  > The dual student's failure to maintain adequate main rotor RPM and failure to level the helicopter at touchdown. Factors were the manufacturer's training pilot's inadequate supervision and the dual student performing the maneuver.
- [NTSB LAX92T#A05](https://openairdocs.org/ntsb/LAX92T%23A05.md): McDonnell Douglas 369E · San Diego, CA · Accident · No injuries · Class 3 · Final report · May 12, 1992 · N16069 · Substantial damage
- [NTSB BFO92TA#01](https://openairdocs.org/ntsb/BFO92TA%2301.md): Mcdonnell Douglas 369E · Clinton, MD · Accident · No injuries · Final report · Feb 12, 1992 · N1600Q · Substantial damage
- [NTSB LAX91TL#02](https://openairdocs.org/ntsb/LAX91TL%2302.md): McDonnell Douglas 369E · Llano, CA · Accident · Minor injuries · Class 3 · Final report · Nov 10, 1990 · N234RF · Substantial damage
- [NTSB LAX91TL#01](https://openairdocs.org/ntsb/LAX91TL%2301.md): McDonnell Douglas 369E · Los Alamitos, CA · Accident · No injuries · Class 3 · Final report · Nov 6, 1990 · N241JH · Substantial damage
- [NTSB LAX90LA171](https://openairdocs.org/ntsb/LAX90LA171.md): Hughes 369E · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N5217N · Substantial damage
  > Failure by company maintenance to perform a mandatory compressor section inspection that resulted in the undetected erosion of the compressor vanes and engine failure. Contributing to the accident was the failure of the pilot to maintain adequate main rotor…
- [NTSB LAX90FA060](https://openairdocs.org/ntsb/LAX90FA060.md): McDonnell Douglas 369E · Santa Rosa, CA · Accident · 1 fatal · Field investigation · Final report · Dec 29, 1989 · N1604L · Destroyed
  > The pilot's improper preflight planning/decision which resulted in the loss of tail rotor effectiveness. Contributing to the accident was the pilot allowing the maximum gross weight of the aircraft to be exceeded, and the tailwind.
- [NTSB LAX87LA157](https://openairdocs.org/ntsb/LAX87LA157.md): McDonnell Douglas 369E · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Mar 19, 1987 · N1601Y · Substantial damage
  > During factory flt training, prior to delivery of the new helicopter to the owner, the CFI said he asked the student to perform a series of emergency procedures which included quick stops from an initial takeoff followed by hovering autorotations. The CFI…
- [NTSB ATL87FA003](https://openairdocs.org/ntsb/ATL87FA003.md): McDonnell Douglas 369E · Gahanna, OH · Accident · Serious injuries · Field investigation · Final report · Oct 9, 1986 · N52705 · Destroyed
  > The helicopter had been conducting a series of demo flts during the day & was on the last scheduled flt of the day. To drop off the local plt who had requested the demo flts, when the loss of power occurred. They had made a take off over the taxiway & turned…

## 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 ('3027369'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3027369

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