The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Helena, Montana
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Helena, Montana
MP Aviation LLC
https://registry.faa.gov/N208MP
Location: Thompson Falls, MT
Accident Number: WPR20LA235
Date & Time: 07/21/2020, 0558 PDT
Registration: N208MP
Aircraft: MCDONNELL DOUGLAS 600
Injuries: 1 None
Flight Conducted Under: Part 133: Rotorcraft Ext. Load
On July 21, 2020, at 0558 Pacific daylight time, a McDonnell Douglas 600N helicopter, N208MP, was substantially damaged when it was involved in an accident near Thompson Falls, Montana. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part 133 rotorcraft external load operation.
The pilot stated that, as he was on an approach to a landing zone, he lowered the collective to start a vertical descent to land. At that time, the engine and rotor rpm suddenly decreased, the helicopter yawed to the left and started to settle. As the helicopter was approaching the ground fast, the pilot increased the collective to use the remaining rpm to cushion the landing. The helicopter impacted the ground and the pilot rolled the throttle to idle, but noticed that engine speed and rpm were below the normal idle parameters. When he rolled the throttle to off, he heard a grinding, "metal-to-metal" noise. The helicopter was secured for further examination.
Aircraft and Owner/Operator Information
Aircraft Make: MCDONNELL DOUGLAS
Registration: N208MP
Model/Series: 600 N
Aircraft Category: Helicopter
Amateur Built: No
Operator: On file
Operating Certificate(s) Held: Rotorcraft External Load (133)
Meteorological Information and Flight Plan
Conditions at Accident Site:
Condition of Light:
Observation Facility, Elevation:
Observation Time:
Distance from Accident Site:
Temperature/Dew Point:
Lowest Cloud Condition:
Wind Speed/Gusts, Direction:
Lowest Ceiling:
Visibility:
Altimeter Setting:
Type of Flight Plan Filed:
Departure Point:
Destination:
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude:
https://registry.faa.gov/N208MP
Location: Thompson Falls, MT
Accident Number: WPR20LA235
Date & Time: 07/21/2020, 0558 PDT
Registration: N208MP
Aircraft: MCDONNELL DOUGLAS 600
Injuries: 1 None
Flight Conducted Under: Part 133: Rotorcraft Ext. Load
On July 21, 2020, at 0558 Pacific daylight time, a McDonnell Douglas 600N helicopter, N208MP, was substantially damaged when it was involved in an accident near Thompson Falls, Montana. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part 133 rotorcraft external load operation.
The pilot stated that, as he was on an approach to a landing zone, he lowered the collective to start a vertical descent to land. At that time, the engine and rotor rpm suddenly decreased, the helicopter yawed to the left and started to settle. As the helicopter was approaching the ground fast, the pilot increased the collective to use the remaining rpm to cushion the landing. The helicopter impacted the ground and the pilot rolled the throttle to idle, but noticed that engine speed and rpm were below the normal idle parameters. When he rolled the throttle to off, he heard a grinding, "metal-to-metal" noise. The helicopter was secured for further examination.
Aircraft and Owner/Operator Information
Aircraft Make: MCDONNELL DOUGLAS
Registration: N208MP
Model/Series: 600 N
Aircraft Category: Helicopter
Amateur Built: No
Operator: On file
Operating Certificate(s) Held: Rotorcraft External Load (133)
Meteorological Information and Flight Plan
Conditions at Accident Site:
Condition of Light:
Observation Facility, Elevation:
Observation Time:
Distance from Accident Site:
Temperature/Dew Point:
Lowest Cloud Condition:
Wind Speed/Gusts, Direction:
Lowest Ceiling:
Visibility:
Altimeter Setting:
Type of Flight Plan Filed:
Departure Point:
Destination:
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude:
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