ASN Wikibase Occurrence # 133910
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| Date: | Wednesday 1 November 1995 |
| Time: | 17:00 LT |
| Type: |  Helio HT-295 Super Courier |
| Owner/operator: | High Test Inc. |
| Registration: | N68889 |
| MSN: | 1718 |
| Total airframe hrs: | 1887 hours |
| Engine model: | Lycoming GO-480-G1A6 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Llano, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Executive |
| Departure airport: | (NONE) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRPLANE DEPARTED FROM THE GRASS STRIP FOR A LOCAL FLIGHT AROUND THE RANCH. THE PILOT SELECTED 30 DEGREES OF FLAPS, AND THE AIRPLANE BECAME AIRBORNE PRIOR TO REACHING THE MIDFIELD POINT OF THE 2,600-FOOT RUNWAY. HE STATED THAT THE AIRPLANE CLIMBED TO APPROXIMATELY 100 FEET ABOVE THE GROUND AND THE CLIMB SUBSIDED UNTIL THE AIRPLANE NEARLY LEVELED OFF AS THE AIRPLANE WAS HEADED TOWARDS RISING TERRAIN. HE RETRACTED THE FLAPS TO 20 DEGREES TO IMPROVE THE CLIMB PERFORMANCE. HE MAINTAINED CONTROLLED FLIGHT AS HE MANAGED TO AVOID THE LARGER TREES WHILE LOOKING FOR AN OPEN AREA. CONTROL WAS LOST AS THE PILOT SLOWED THE AIRPLANE PRIOR TO IMPACTING TREES. A 10 TO 20 KNOT HEADWIND PREVAILED AND THE PILOT STATED THAT A DOWNDRAFT WAS 'CREATED BY THE OROGRAPHIC EFFECT OF THE WIND BLOWING OVER THE RIDGE LINE.' SEVERAL WORKERS AT THE RANCH WITNESSED THE AIRPLANE 'ATTEMPTING TO CLIMB IN THE DIRECTION OF RISING TERRAIN WITHOUT GAINING ALTITUDE.'
Probable Cause: THE PILOT'S ENCOUNTER WITH A DOWNDRAFT AND HIS INABILITY TO OUTCLIMB RISING TERRAIN. FACTORS WERE THE RISING TERRAIN AND HIGH WINDS.
Accident investigation:
 |
|
Sources:
NTSB FTW96LA035
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Apr-2024 11:12 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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