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NTSB Report
December 6, 1985 · Helio H-391B · N4101D
Bozeman, MT
Overview
Report Status
Preliminary report
Event Type
Accident
Date
December 6, 1985
Injury Outcomes
No injuries (2 uninjured)
Location
Bozeman, MT
Aircraft
Helio H-391B
Tail Number
N4101D
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN86LA040
ACCORDING TO PERSONNEL IN THE AREA, THE PLT RADIOED HE HAD SMOKE IN THE COCKPIT AND WAS RETURNING TO GALLANTIN FIELD, HIS DEPARTURE POINT. LATER, THE PLT TRANSMITTED THAT THE ENG LOST TOTAL PWR AND HE WAS MAKING A FORCED LANDING. DURING THE INVESTIGATION, IT WAS ASCERTAINED THE WIRING BETWEEN THE INSTRUMENT PANEL AND THE MAGNETOS HAD BURNED EXTENSIVELY AND THE MAGNETO 'P' LEAD HAD SHORTED OUT.
Full Narrative
ACCORDING TO PERSONNEL IN THE AREA, THE PLT RADIOED HE HAD SMOKE IN THE COCKPIT AND WAS RETURNING TO GALLANTIN FIELD, HIS DEPARTURE POINT. LATER, THE PLT TRANSMITTED THAT THE ENG LOST TOTAL PWR AND HE WAS MAKING A FORCED LANDING. DURING THE INVESTIGATION, IT WAS ASCERTAINED THE WIRING BETWEEN THE INSTRUMENT PANEL AND THE MAGNETOS HAD BURNED EXTENSIVELY AND THE MAGNETO 'P' LEAD HAD SHORTED OUT.
Flight
Event TypeAccident
Event Time14:34 MST
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireIflt
Aircraft ExplosionNo
Aircraft
AircraftHelio H-391B
Tail NumberN4101D
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · GO-435 · Reciprocating
Seats4
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 48 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind132° @ 3 kt
Visibility34 sm
CeilingBroken clouds 25000 ft
Temperature / Dew Point25 C / 0 C
Altimeter30.00 inHg
Observation Time21:35
Weather SourceWFAC