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NTSB Report
November 6, 2023 · Md Helicopters 369FF · N369FF
Mesa, AZ
Overview
Report Status
Probable Cause
Event Type
Accident
Date
November 6, 2023
Injury Outcomes
No injuries (2 uninjured)
Location
Mesa, AZ
Aircraft
Md Helicopters 369FF (2009)
Tail Number
N369FF
Operator
Md Helicopters
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR24LA028
During a proficiency flight, the pilot was demonstrating an autorotation, and the nonflying pilot was following on the flight controls. While holding the flare to land, an excessive amount of aft cyclic was abruptly applied, and the tailskid and tail rotor contacted the ground. The pilot leveled the helicopter and completed the autorotation. The helicopter spun about 90° to the right before it came to a stop. The tail rotor assembly, tail boom, horizontal and vertical stabilizers, and tail rotor drive shaft couplings sustained substantial damage. The operator reported that there were no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
NTSB Probable Cause
The pilot’s failure to maintain a proper autorotation profile during deceleration that resulted in the tail rotor assembly impacting the ground.
Full Narrative
During a proficiency flight, the pilot was demonstrating an autorotation, and the nonflying pilot was following on the flight controls. While holding the flare to land, an excessive amount of aft cyclic was abruptly applied, and the tailskid and tail rotor contacted the ground. The pilot leveled the helicopter and completed the autorotation. The helicopter spun about 90° to the right before it came to a stop. The tail rotor assembly, tail boom, horizontal and vertical stabilizers, and tail rotor drive shaft couplings sustained substantial damage. The operator reported that there were no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
Flight
Event TypeAccident
Event Time10:00 MST
Nearest AirportFalcon Fld (0nm E)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMd Helicopters 369FF
Tail NumberN369FF
Aircraft CategoryHeli
DamageSubstantial
OperatorMd Helicopters
Operating RulePart 91
Engines2
Engine TypeTurboshaft
Engine DetailsRolls-Royc · 250-C30 · Turboshaft · 650 | Rolls-Royc · 250-C30 · Turboshaft · 650
Seats4
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 63 · Second Class · None
Crew 2Age 29 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility10 sm
CeilingNone
Temperature / Dew Point34 F
Altimeter29.98 inHg
Observation Time09:54
Weather SourceWFAC