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NTSB Report
May 5, 2025 · Stinson 108-3 · N108RM
Port Of Del Bonita, MT
Overview
Report Status
Probable Cause
Event Type
Accident
Date
May 5, 2025
Injury Outcomes
No injuries (1 uninjured)
Location
Port Of Del Bonita, MT
Aircraft
Stinson 108-3 (1948)
Tail Number
N108RM
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR25LA151
The pilot reported that prior to landing in the tailwheel equipped airplane, he obtained the current weather at his destination airport, where the wind was reported as calm. During the landing, after touchdown, he felt a large wind gust push the airplane to the left. The airplane then veered left and departed the runway through a barbed wired fence, which resulted in substantial damage to the right elevator and fuselage. The pilot confirmed that the right side rudder steering arm separated during the accident sequence. The pilot reported no other preimpact mechanical malfunctions or anomalies that could have precluded normal operation. At about the time of the accident, the pilot was landing on runway 25, with the wind from 360° at 22 knots.
NTSB Probable Cause
Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Attain/maintain not possible
Full Narrative
The pilot reported that prior to landing in the tailwheel equipped airplane, he obtained the current weather at his destination airport, where the wind was reported as calm. During the landing, after touchdown, he felt a large wind gust push the airplane to the left. The airplane then veered left and departed the runway through a barbed wired fence, which resulted in substantial damage to the right elevator and fuselage. The pilot confirmed that the right side rudder steering arm separated during the accident sequence. The pilot reported no other preimpact mechanical malfunctions or anomalies that could have precluded normal operation. At about the time of the accident, the pilot was landing on runway 25, with the wind from 360° at 22 knots.
Flight
Event TypeAccident
Event Time09:30 MDT
Nearest AirportWhetstone Intl (0.2nm S)
Runway07/2
Runway Length4440 ft
Runway Width65 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftStinson 108-3
Tail NumberN108RM
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-470L · Reciprocating · 230
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 37 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind360° @ 22 kt
Visibility10 sm
CeilingBroken clouds 6000 ft
Temperature / Dew Point43 F / 27 F
Altimeter30.24 inHg
Observation Time08:56
Weather SourceWFAC