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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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April 11, 1986 · Piper PA-28R-180 · N3714T

Lone Pine, ID

Overview

Report Status
Preliminary report
Event Type
Accident
Date
April 11, 1986
Injury Outcomes
3 injuries (3 fatalities)
Location
Lone Pine, ID
Aircraft
Piper PA-28R-180
Tail Number
N3714T
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
SEA86FA100

AFTER AN INITIAL WEATHER BRIEFING THE PLT DEPARTED COEUR DALENE, IDAHO, FOR HIS DESTINATION OF IDAHO FALLS, IDAHO, WITH A PLANNED PASSENGER PICKUP AT MISSOULA, MONTANA. DURING THE SECOND LEG OF THE FLT HE MISNAVIGATED WHILE AVOIDING WEATHER WHICH RESULTED IN AN UNPLANNED FUEL STOP AT LEWISTON, IDAHO AND A 3 HR DELAY FOR THE OCCUPANTS WHO PLANNED TO ATTEND A POLITICAL FUNCTION. THERE WAS NO EVIDENCE OF HIS OBTAINING AN UPDATED WEATHER BRIEFING AFTER THE INITIAL WEATHER BRIEFING. WHILE ENROUTE TO IDAHO FALLS THE ACFT ENCOUNTERED WEATHER CONDITIONS WHICH RESULTED IN THE PLT REQUESTING INSTRUMENT HANDLING. SHORTLY AFTER THE REQUEST THE ACFT COLLIDED WITH UPSLOPING TERRAIN IN A MOUNTAINOUS AREA. DARK NIGHT CONDITIONS EXISTED DURING BOTH THE WEATHER ENCOUNTER AND SUBSEQUENT COLLISION.

Full Narrative

AFTER AN INITIAL WEATHER BRIEFING THE PLT DEPARTED COEUR DALENE, IDAHO, FOR HIS DESTINATION OF IDAHO FALLS, IDAHO, WITH A PLANNED PASSENGER PICKUP AT MISSOULA, MONTANA. DURING THE SECOND LEG OF THE FLT HE MISNAVIGATED WHILE AVOIDING WEATHER WHICH RESULTED IN AN UNPLANNED FUEL STOP AT LEWISTON, IDAHO AND A 3 HR DELAY FOR THE OCCUPANTS WHO PLANNED TO ATTEND A POLITICAL FUNCTION. THERE WAS NO EVIDENCE OF HIS OBTAINING AN UPDATED WEATHER BRIEFING AFTER THE INITIAL WEATHER BRIEFING. WHILE ENROUTE TO IDAHO FALLS THE ACFT ENCOUNTERED WEATHER CONDITIONS WHICH RESULTED IN THE PLT REQUESTING INSTRUMENT HANDLING. SHORTLY AFTER THE REQUEST THE ACFT COLLIDED WITH UPSLOPING TERRAIN IN A MOUNTAINOUS AREA. DARK NIGHT CONDITIONS EXISTED DURING BOTH THE WEATHER ENCOUNTER AND SUBSEQUENT COLLISION.

Flight

Event TypeAccident
Event Time20:10 MST
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-28R-180
Tail NumberN3714T
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-B1E · Reciprocating · 180
Seats4

People & Injuries

Injury Summary3 injuries (3 fatalities)
Fatal3
Serious0
Minor0
Uninjured0
Total3
Crew 1Age 52 · Second Class

Conditions

ConditionsVMC
LightDark Night
Wind360° @ 5 kt
Visibility25 sm
CeilingBroken clouds 6500 ft
Temperature / Dew Point48 / 43 C
Altimeter0
Observation Time02:36
Weather SourceWFAC

Appendix: Source Data