Loss of control Accident GlaStar SH-4 N212DR,
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ASN Wikibase Occurrence # 21829
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Date:Saturday 12 July 2008
Type:Silhouette image of generic GLST model; specific model in this crash may look slightly different    
GlaStar SH-4
Registration: N212DR
MSN: 5017
Engine model:Lycoming O-360 A1A
Fatalities:Fatalities: 3 / Occupants: 3
Aircraft damage: Destroyed
Location:about 35 miles west of Kenai, AK -   United States of America
Phase: En route
Departure airport:Kenai, AK
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot departed on a local personal flight in an amphibious, float-equipped experimental airplane with two passengers. About 40 minutes after takeoff, the burning wreckage of the airplane was spotted by overflying aircraft. The airplane was built by the pilot from a kit, and was designed by the kit manufacturer to have two side-by-side seats in the cockpit. A large cargo area was behind the two front seats. According to a neighbor, the accident airplane was equipped with a third seat, designed and built by the pilot. The third seat was installed in the cargo area and was designed to fold up for use, and was equipped with a seat belt. The only passenger access to the third seat would have been from the cockpit. The kit manufacturer indicated that several builders have designed and built a third seat in the cargo compartment area of their respective airplanes. These seats had been individually designed, as there were no after-market or third-party suppliers of rear seats for the airplane. No maintenance records or construction build records were located for the airplane. No weight and balance data for the airplane was located. According to the manufacturer, the airplane's gross weight was 2,100 pounds if equipped with floats. A calculation of the airplane's estimated weight done by the Safety Board's Investigator-In-Charge, came to an estimated 2,110 pounds without any inclusion of fuel, which indicated that the airplane was overgross at the time of the accident. The airplane appeared to have collided with the ground in a left-wing- and nose-low attitude, an indication of an aerodynamic stall. The airplane was destroyed by a postcrash fire. No preimpact mechanical malfunctions were found during an examination of the wreckage. An examination of data from a GPS receiver found at the crash site revealed that just prior to the accident the airplane was in a descending left turn, having lost 273 feet in the last 6 seconds before impact.
Probable Cause: The pilot's failure to maintain adequate airspeed during maneuvering flight, which resulted in an aerodynamic stall and uncontrolled descent to the ground. Contributing to the accident was the airplane's overgross weight condition.

Accident investigation:
Investigating agency: NTSB
Report number: ANC08FA087
Status: Investigation completed
Duration: 9 months
Download report: Final report




Revision history:

24-Jul-2008 11:38 Fusko Added
21-Dec-2016 19:14 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:16 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:20 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
03-Dec-2017 11:26 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Source, Narrative]

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