ASN Wikibase Occurrence # 69920
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| Date: | Tuesday 2 July 1991 |
| Time: | 14:00 LT |
| Type: |  Schempp-Hirth Ventus cM |
| Owner/operator: | Rogar N. Buchanan |
| Registration: | N9999R |
| MSN: | 36 |
| Engine model: | SOLO 235B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Marfa - KMRF, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT OF THE MOTORIZED GILDER ENCOUNTERED A DOWNDRAFT FROM CONVECTIVE ACTIVITY DURING INITIAL CLIMB OUT FROM THE RUNWAY. THE GILDER WAS CLIMBING AT 150 TO 200 FEET PER MINUTE WAS 100 ABOVE GROUND WHEN IT STARTED TO DESCEND AT 200 FEET PER MINUTE. THE PILOT ATTEMPTED A LANDING IN AN OPEN FIELD, BUT STRUCK A FENCE DURING THE APPROACH. THE GLIDER WAS POWERED BY A TWO STROKE 25HP ENGINE AND WAS OPERATING WITH FULL WATER BALLAST AT MAXIMUM GROSS WEIGHT. THE DENSITY ALTITUDE WS ESTIMATED TO BE 9,000 FEET WHEN THE ACCIDENT OCCURRED. THE PILOT WAS A COMPETITOR IN THE NATIONAL MOTOR GLIDER COMPETITION.
Probable Cause: THE PILOT MISJUDGED THE APPROACH. FACTORS WERE THE HIGH DENSITY ALTITUDE, THE DOWNDRAFT, AND THE DTERIORTED CLIMB PERFORMANCE.
Accident investigation:
 |
|
Sources:
NTSB FTW91LA114
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Nov-2009 11:17 | DColclasure | Added |
| 19-Jan-2012 14:14 | Alpine Flight | Updated [Aircraft type, Cn, Location, Nature, Departure airport, Destination airport, Damage, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 14:18 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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