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NTSB Report
April 8, 2025 · Martin Uav VBAT · N443VA
Douglas, AZ
Overview
Report Status
Probable Cause
Event Type
Accident
Date
April 8, 2025
Injury Outcomes
No injuries (2 uninjured)
Location
Douglas, AZ
Aircraft
Martin Uav VBAT (2022)
Tail Number
N443VA
Operator
Northrop Grumman
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR25LA135
The operator of the unmanned aircraft system (UAS) reported that during a test flight, the throttle servo malfunction resulting in complete loss of engine power. The pilot was able to maneuver the UAS to a safe location where it impacted terrain, resulting in substantial damage to the fuselage and flight control surfaces.
NTSB Probable Cause
The malfunction of the throttle servo which resulted in the complete loss of engine power.
Full Narrative
The operator of the unmanned aircraft system (UAS) reported that during a test flight, the throttle servo malfunction resulting in complete loss of engine power. The pilot was able to maneuver the UAS to a safe location where it impacted terrain, resulting in substantial damage to the fuselage and flight control surfaces.
Flight
Event TypeAccident
Event Time14:55 MST
Nearest AirportBisbee Douglas Intl (0.5nm E)
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMartin Uav VBAT
Tail NumberN443VA
Aircraft CategoryAir
DamageSubstantial
OperatorNorthrop Grumman
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsSuter · TOA 288 · Reciprocating · 23
Seats0
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 43 · None · None
Crew 2Age 39 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind230° @ 15 kt, gusting 27 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point36 F
Altimeter30.02 inHg
Observation Time14:56
Weather SourceWFAC