Accident Grob G109 N903BG,
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ASN Wikibase Occurrence # 70786
 
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Date:Sunday 5 June 1983
Time:17:30
Type:Silhouette image of generic G109 model; specific model in this crash may look slightly different    
Grob G109
Owner/operator:Paul F Shoen
Registration: N903BG
MSN: 6095
Total airframe hrs:74 hours
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Finleyville Airpark, PA -   United States of America
Phase: Take off
Nature:Private
Departure airport:Finleyville Airpark, PA
Destination airport:Finleyville Airpark, PA
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE MOTORIZED GLIDER COLLIDED WITH TREES AND THE TERRAIN DURING AN EMERGENCY LANDING AFTER THE PROPELLER HAD STRUCK THE GROUND DURING TAKEOFF. DURING THE TAKEOFF ROLL, THE PROPELLER FIRST COLLIDED WITH HIGH GRASS, AND THEN A BUMP IN THE GROUND, AFTER THE PILOT LOST DIRECTIONAL CONTROL AND VEERED OFF THE MOWED RUNWAY.

THE TAKEOFF WAS CONTINUED, AND AFTER TAKEOFF, THE AIRCRAFT WAS TURNED DOWNWIND FOR A LANDING. THE PROPELLER VIBRATED EXCESSIVELY AS THE TURN WAS MADE, AND THE PILOT SHUT THE ENGINE DOWN AND FEATHERED THE PROPELLER AT ABOUT 100 FEET AGL WHILE OVER THE HANGERS. WHILE LINING UP WITH THE RUNWAY THE AIRCRAFT COLLIDED WITH TREES WHICH STALLED THE GLIDER AND IT NOSED INTO THE GROUND.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

Contributing Factors:
TERRAIN CONDITION..HIGH VEGETATION
OBJECT..TREE(S)
GROUND LOOP/SWERVE..INADVERTENT..PILOT IN COMMAND

Sources:

1. NTSB Identification: NYC83LA135 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001214X43499&key=1&queryId=7b34602d-c658-41f5-b7a3-c38c14b2b02a&pgno=2&pgsize=50_
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=903BG

Revision history:

Date/timeContributorUpdates
23-Sep-2011 03:23 Uli Elch Updated [Aircraft type, Cn, Location, Nature, Departure airport, Narrative]
23-Sep-2011 03:26 Uli Elch Updated [Plane category, ]
29-Sep-2011 02:45 Uli Elch Updated [Plane category, ]
29-Sep-2011 03:30 Uli Elch Updated [Plane category, ]
10-Aug-2016 12:26 Dr.John Smith Updated [Operator, Destination airport, Source, Damage, Narrative]
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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