Buhl Municipal Airport
Aircraft Accident/Incident Report

Buhl, Idaho 83316
Tuesady, May 22, 2012 16:40 MDT

NTSB Narrative Summary Released at Completion of Accident

During his first time operating the newly-assembled airplane, the pilot/airplane builder performed a series of high-speed taxi tests on the taxiway. The pilot stated that, after traversing the length of the taxiway several times, the airplane became airborne in the gusty wind. The pilot increased the engine power, and the airplane continued to ascend. He maneuvered near the airport for about 10 minutes and then decided to return. While on final approach to the runway, the airplane was unstable, and the pilot performed a go-around. On the second approach, with the airplane about 30 feet above ground level, the pilot lost control, and the airplane descended in a nose-low attitude into the terrain. The pilot reported no mechanical malfunctions or failures with the airplane that would have precluded normal operation. About the time of the accident, the wind was reported to be at 9 knots, gusting to 19 knots.

NTSB Probable Cause Narrative

The pilot’s failure to maintain control of the airplane while on final approach, which resulted in an aerodynamic stall.

Event Information

Type of Event Accident
Event Date 5/22/2012
Event Day of the Week Tuesday
Time of Event 1640
Event Time Zone Mountain Daylight Time
Event City Buhl
Event State IDAHO
Event Country --
Zipcode of the event site 83316
Event Date Year 2012
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 423529N
Event Location Longitude 1144748W
Event Location Airport Buhl Municipal Airport
Event Location Nearest Airport ID U03
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 3660
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1653 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 116
Weather Observation Facility ID TWF
Elevation of weather observation facility 4145
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 900
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 300
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 9
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 19
Altimeter Setting at event time (in. Hg) 29.86
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report 15:53 METAR KTWF 222153Z AUTO 31013G21KT 10SM FEW
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 30286
NTSB Notification Source FAA Comm Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 8 2012 12:41PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N165AW
NTSB Number WPR12LA225
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name WAGGONNER
Aircraft Model EXCALIBUR
Aircraft Series Identifier --
Aircraft Serial Number 001
Certified Max Gross Weight 1260
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Conditional
Date of Last Inspection May 22 2012 12:00AM
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Robert Lowder
Aircraft Owner Street Address --
Aircraft Owner City Kimberly
Aircraft Owner State ID
Aircraft Owner Country USA
Aircraft Owner Zipcode 83341
Operator is an individual? Yes
Operator Name Robert Lowder
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Kimberly
Operator State ID
Operator Country USA
Operator Zip code 83341
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code U03
Departure City Buhl
Departure State ID
Departure Country USA
Departure Time 1630
Departure Time Zone MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code U03
Destination City Buhl
Destination State ID
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 8 2012 12:41PM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location 27
Runway Length 3900
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --