Lower Loon Airport
Aircraft Accident/Incident Report

Lower Loon, Idaho 83771
Friday, October 10, 1986 12:00 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT DIVERTED FROM HIS ORIGINAL DESTINATION DUE TO WEATHER. UPON LANDING AT THE ALTERNATE AIRPORT WIHT A 7 KNOT TAIL WIND, WHILE USING HEAVY BRAKING ON WET SOD, THE BRAKES LOCKED. THE ACFT VEERED TO THE RIGHT OF THE CENTER PLACING THE RIGHT MAIN GEAR ON ROUGH TERRAIN WHERE IT COLLAPSED, DRAGGING THE RIGHT WING. THE AIRSTRIP IS ONLY 1100 FEET LONG.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/10/1986
Event Day of the Week Friday
Time of Event 1200
Event Time Zone Mountain Daylight Time
Event City LOWER LOON
Event State IDAHO
Event Country --
Zipcode of the event site 83771
Event Date Year 1986
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LOWER LOON
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 4100
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
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) 13
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 8
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 6
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2369
NTSB Notification Source --
NTSB Notification Date Oct 11 1986 12:00AM
NTSB Notification Time 930
Fiche Number and/or location -used to find docket information 33211
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 N25SA
NTSB Number SEA87LA010
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Britten-Norman
Aircraft Model BN-2A-20
Aircraft Series Identifier BN-2A-20
Aircraft Serial Number 766
Certified Max Gross Weight 6520
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 10
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection --
Airframe hours since last inspection 40
Airframe Hours 4920
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MOUNTAIN BIRD, INC.
Aircraft Owner Street Address BOX 698
Aircraft Owner City SALMON
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83467
Operator is an individual? --
Operator Name MOUNTAIN BIRD, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address BOX 698
Operator City SALMON
Operator State ID
Operator Country
Operator Zip code 83467
Operator Code
Owner has at least one certificate Yes - certificate holder
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SMN
Departure City SALMON
Departure State ID
Departure Country
Departure Time 1100
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code U54
Destination City BERNARD CREEK
Destination State ID
Destination Country
Specific Phase of Flight Landing
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 1100
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --