Kerens, TX, USA
N67RE
ENSTROM HELICOPTER CORP 280C
The helicopter had recently undergone some major maintenance, andthe private pilotwas picking up the helicopter to return to his residence. The helicopter departed for the accident flight with about 35 gallons of fuel onboard for the 1.5-hour flight. During the flight, the pilot noticed that the transmission and cylindertemperatures had increased. The pilot subsequently performed an off-airport landing in a field,kept the engine running, and waited for the temperatures to return to normal. After the temperatures returned to normal, the pilot departed. While maneuveringat 1,000 ft above ground level about 1.5 miles from his residence, the pilot heard a noise or “bang” sound. The engine then lost total power, and the pilot initiated an autorotation, during which the helicopter impacted trees and terrainand then came to rest upright. Postaccident examination of the helicopter revealed no evidence of any preimpact mechanical failures or malfunctions that would have precluded normal operation. The examination revealed that both fuel tanks were empty and that the fuel system was not breached. Given that the pilot conducted an unplanned landing and takeoff, he should have accounted for the extra fuel used as he managed the fuel in flight. However, he did not do so, and his inadequate in-flight fuel management likely led to the loss of engine power due to fuel exhaustion.
On May 10, 2018, about 1745 central daylight time, an Enstrom Helicopter Corporation 280C helicopter, N67RE, impacted trees and terrain following an autorotation after experiencing a loss of engine power while maneuvering near Kerens, Texas. The private pilot sustained serious injuries, and the helicopter sustained substantial damage. The helicopter was registered to and operated by a private individual as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual meteorological conditions prevailed at the time of the accident, and a flight plan was not filed. The helicopter departed the Wood County Airport (JDD), Mineola, Texas, about 1615, and was destined for a private residence. According to the pilot, the helicopter underwent some recent major maintenance, and he was picking up the helicopter to return to his residence. Prior to the accident flight, he completed a flight review with a flight instructor in the accident helicopter. During the flight review, the pilot experienced issues with the radio and difficulty with trim control. A mechanic inspected the radio and completed unknown repairs. After the flight review, the pilot added 25 gallons of fuel for a total of about 35 gallons of fuel for the return flight. During the return flight, the pilot noticed the transmission and cylinder temperatures increase on his instrument gauges. The pilot performed an off-airport landing in a field, kept the engine running, and waited for the temperatures to return to normal. After the temperatures returned to normal, the pilot departed. While maneuvering at 1,000 ft above ground level about 1.5 miles from his residence, the pilot heard a noise or bang sound. The engine then lost total power, and the pilot entered an autorotation. During the autorotation, the helicopter impacted trees and terrain, and came to rest upright in wooded terrain. A Federal Aviation Administration inspector completed an examination of the helicopter at the accident site, and at the aircraft recovery facility. The inspector noted the mixture control was found in the rich position. Both left and right fuel tanks were found empty, and the fuel tanks and fuel lines were not compromised. No mechanical failures or malfunctions were noted that would have precluded normal operations.
The total loss of engine power due to fuel exhaustion and the pilot’s inadequate in-flight fuel management.
Source: NTSB Aviation Accident Database
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