Windsong Airport
Aircraft Accident/Incident Report

Delta Junction, Alaska 99737
Sunday, April 10, 2011 15:45 AKD

NTSB Narrative Summary Released at Completion of Accident

According to the pilot, he was practicing takeoffs and landings on a grass airstrip. He said snow had been removed from the center of the grass airstrip, but not the surrounding area. During his approach to land, bright sunlight reflected off the snow that made him lose his depth perception. The airplane touched down short of the runway, nosing over in deep snow. The pilot reported no preimpact mechanical problems with the airplane. The airplane received substantial damage to both wings.

NTSB Probable Cause Narrative

The pilot's misjudged altitude while landing in bright sunlight on an airstrip surrounded by snow, resulting in an undershoot and a nose over.

Event Information

Type of Event Accident
Event Date 4/10/2011
Event Day of the Week Sunday
Time of Event 1545
Event Time Zone --
Event City Delta Junction
Event State ALASKA
Event Country --
Zipcode of the event site 99737
Event Date Year 2011
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 640205N
Event Location Longitude 1453008W
Event Location Airport Windsong
Event Location Nearest Airport ID AK09
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 1100
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation
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 --
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) 4
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) 30.11
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) 28434
NTSB Notification Source FAA Anchorage ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jul 8 2011 8:11AM
User who most recently changed record johb
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3613M
NTSB Number ANC11CA025
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-12
Aircraft Series Identifier --
Aircraft Serial Number 12-2459
Certified Max Gross Weight 1935
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 1
Cabin Crew Seats --
Passenger Seats 2
Total number of seats on the aircraft 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Sep 14 2010 12:00AM
Airframe hours since last inspection --
Airframe Hours 5396
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type C91
Aircraft Owner Name HALL GARY L
Aircraft Owner Street Address --
Aircraft Owner City DELTA JUNCTION
Aircraft Owner State AK
Aircraft Owner Country USA
Aircraft Owner Zipcode 99737
Operator is an individual? No
Operator Name HALL GARY L
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City DELTA JUNCTION
Operator State AK
Operator Country USA
Operator Zip code 99737
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 AK09
Departure City Delta Junction
Departure State AK
Departure Country USA
Departure Time --
Departure Time Zone ADT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code AK09
Destination City Delta Junction
Destination State AK
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Apr 28 2011 7:16PM
User who most recently changed record stam
Since inspection or accident Time of Accident
Event Location Runway Number and Location 15
Runway Length 2400
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --