Mile Hi Airport
Aircraft Accident/Incident Report

Mile Hi Landing Strip, Idaho 83677
Thursday, August 25, 2011 10:30 MDT

NTSB Narrative Summary Released at Completion of Accident

The left landing gear collapsed during landing on a remote grass/turf airstrip. After the landing gear collapsed, the airplane veered to the left and impacted a tree. The pilot stated that there were no mechanical malfunctions or anomalies with the airplane during the flight. The reason for the landing gear collapse was not determined.

NTSB Probable Cause Narrative

The collapse of the left landing gear during landing for undetermined reasons.

Event Information

Type of Event Accident
Event Date 8/25/2011
Event Day of the Week Thursday
Time of Event 1030
Event Time Zone Mountain Daylight Time
Event City Mile Hi Landing Strip
Event State IDAHO
Event Country --
Zipcode of the event site 83677
Event Date Year 2011
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 450905N
Event Location Longitude 1145932W
Event Location Airport Mile Hi
Event Location Nearest Airport ID --
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 5831
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation 1030 Mountain Daylight Time
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
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) 18
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator Variable
Wind Speed (knots) --
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 29307
NTSB Notification Source Pilot
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Nov 22 2011 3:54PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N727WW
NTSB Number WPR11LA436
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 Tubbs S/Performance
Aircraft Model PA-18 225DD
Aircraft Series Identifier --
Aircraft Serial Number PA-0204
Certified Max Gross Weight 2150
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? Yes
Flight Crew Seats 1
Cabin Crew Seats --
Passenger Seats 1
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 Jul 6 2011 12:00AM
Airframe hours since last inspection --
Airframe Hours 675
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type C126
Aircraft Owner Name Puddlejumpers LLC
Aircraft Owner Street Address --
Aircraft Owner City Challis
Aircraft Owner State ID
Aircraft Owner Country USA
Aircraft Owner Zipcode 83226
Operator is an individual? No
Operator Name John Gregory
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Challis
Operator State ID
Operator Country USA
Operator Zip code 83226
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 No
Departure Airport Code KU60
Departure City Yellow Pine
Departure State ID
Departure Country USA
Departure Time 1000
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code --
Destination City Mile High Ranch
Destination State ID
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Nov 22 2011 3:54PM
User who most recently changed record coos
Since inspection or accident Last Inspection
Event Location Runway Number and Location 19
Runway Length 1100
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --