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NTSB Report
January 17, 2024 · Dennis Smith Eclipse 10 · N70WP
Yuma, AZ
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 17, 2024
Injury Outcomes
1 injury (1 minor injury)
Location
Yuma, AZ
Aircraft
Dennis Smith Eclipse 10 (2018)
Tail Number
N70WP
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
WPR24LA077
The pilot of the gyroplane was preparing for takeoff, but he noticed that the brakes felt mushy and were not properly holding as he increased engine power. Consequently, when the main rotor RPM reached 150 RPM, he released the brakes and increased power. The gyroplane then rolled over onto its side. According to the Pilot’s Operating Handbook, takeoff with 150-200 main rotor RPM “requires a high skill,” and normal takeoffs are initiated when 220 main rotor RPM is attained. The pilot reported that there were no preaccident mechanical malfunctions or failures with the gyroplane that would have precluded normal operation and acknowledged that he should have aborted the takeoff.
NTSB Probable Cause
Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Lateral/bank control-Not attained/maintained
Full Narrative
The pilot of the gyroplane was preparing for takeoff, but he noticed that the brakes felt mushy and were not properly holding as he increased engine power. Consequently, when the main rotor RPM reached 150 RPM, he released the brakes and increased power. The gyroplane then rolled over onto its side. According to the Pilot’s Operating Handbook, takeoff with 150-200 main rotor RPM “requires a high skill,” and normal takeoffs are initiated when 220 main rotor RPM is attained. The pilot reported that there were no preaccident mechanical malfunctions or failures with the gyroplane that would have precluded normal operation and acknowledged that he should have aborted the takeoff.
Flight
Event TypeAccident
Event Time13:38 MST
Nearest AirportYuma International Airport (0.2nm)
Runway17
Runway Length5710 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDennis Smith Eclipse 10
Tail NumberN70WP
Aircraft CategoryGyro
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 914 · Reciprocating · 115
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 68 · None · Minor
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility7 sm
CeilingBroken clouds 20000 ft
Temperature / Dew Point30 F
Altimeter29.94 inHg
Observation Time13:32
Weather SourcePILO