Aircraft Accident/Incident Report

Lone Pine, Idaho 83464
Thursday, April 10, 1986 20:10 MST

NTSB Narrative Summary Released at Completion of Accident

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.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/10/1986
Event Day of the Week Thursday
Time of Event 2010
Event Time Zone Mountain Standard Time
Event City LONE PINE
Event State IDAHO
Event Country --
Zipcode of the event site 83464
Event Date Year 1986
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1936 Mountain Standard Time
Direction of event from weather observation facility (degrees) 305
Weather Observation Facility ID SMN
Elevation of weather observation facility 4045
Distance of event from weather observation facility (units?) 70
Time Zone of the weather observation MST
Lighting Conditions Night/Dark
Lowest Ceiling Height 6500
Lowest Non-Ceiling Height 4500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 25
Air Temperature at event time (in degrees celsius) 9
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 3
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 445
NTSB Notification Source --
NTSB Notification Date Apr 11 1986 12:00AM
NTSB Notification Time 706
Fiche Number and/or location -used to find docket information 30713
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3714T
NTSB Number SEA86FA100
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28R-180
Aircraft Series Identifier PA-28R-180
Aircraft Serial Number 23R30018
Certified Max Gross Weight 2500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 30 1985 12:00AM
Airframe hours since last inspection 93
Airframe Hours 5399
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name PETER M. & CHARLENE A. BUSCH
Aircraft Owner Street Address 703 6TH AVENUE
Aircraft Owner City LEWISTON
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83501
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code LWS
Departure City LEWISTON
Departure State ID
Departure Country
Departure Time 1715
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code IDA
Destination City IDAHO FALLS
Destination State ID
Destination Country
Specific Phase of Flight Climb
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --