Twin Falls Airport
Aircraft Accident/Incident Report

Twin Falls, Idaho 83301
Friday, May 2, 1986 9:55 MST

NTSB Narrative Summary Released at Completion of Accident

DURING FINAL APCH THE ATCT ADVISED THE PLT OF A 17 KT X-WIND WITH GUSTS TO 22 KTS. THE PLT LANDED BUT WAS UNABLE TO MAINTAIN DIRECTIONAL CONTROL AND THE ACFT DEPARTED THE RWY INTO A GRASS AREA. THE PLT ATTEMPTED TO TAKEOFF AGAIN, THE WIND LIFTED UP THE WING AND THE ACFT TURNED DOWNWIND. THE ACFT SETTLED BACK TO THE GROUND NEXT TO THE RWY WHERE IT TRAVELED THROUGH FENCES BEFORE COMING TO A STOP.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/2/1986
Event Day of the Week Friday
Time of Event 955
Event Time Zone Mountain Standard Time
Event City TWIN FALLS
Event State IDAHO
Event Country --
Zipcode of the event site 83301
Event Date Year 1986
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TWIN FALLS
Event Location Nearest Airport ID TWF
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 4151
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 906 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID TWF
Elevation of weather observation facility 4151
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 12000
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) 40
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 25
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 325
NTSB Notification Source --
NTSB Notification Date May 2 1986 12:00AM
NTSB Notification Time 950
Fiche Number and/or location -used to find docket information 30623
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 N6494U
NTSB Number SEA86LA116
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 MOONEY
Aircraft Model M20C
Aircraft Series Identifier M20C
Aircraft Serial Number 2241
Certified Max Gross Weight 2575
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 --
Airframe hours since last inspection --
Airframe Hours 2241
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name TWIN FALLS FLYERS,INC.
Aircraft Owner Street Address P.O. BOX 692
Aircraft Owner City TWIN FALLS
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83301
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 BOI
Departure City BOISE
Departure State ID
Departure Country
Departure Time 855
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
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 25
Runway Length 8703
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --