ASN Wikibase Occurrence # 69850
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| Date: | Sunday 7 August 1994 |
| Time: | 15:00 LT |
| Type: |  Rolladen-Schneider LS4-a |
| Owner/operator: | James L. Dwyer |
| Registration: | N245JD |
| MSN: | 4329 |
| Year of manufacture: | 1983 |
| Engine model: | Lycoming%20IO-360-C1E6 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Franconia, NH -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Franconia, NH (1B5) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE GLIDER PILOT HAD JUST RELEASED FROM THE TOW PLANE. HE STARTED A LEFT CIRCLING CLIMB IN A THERMAL. ACCORDING TO THE PILOT, AFTER CIRCLING ONCE, THE LIFT CHANGED SUDDENLY. THE GLIDER SANK ABRUPTLY. THE PILOT, IN HIS ATTEMPT TO AVOID THE RIDGE INADVERTENTLY STALLED THE AIRCRAFT. THE AIRCRAFT DESCENDED AND COLLIDED WITH TREES. THE PILOT STATED THE ACCIDENT COULD HAVE BEEN PREVENTED HAD HE NOT ESTABLISHED THE THERMAL CIRCLE SO CLOSE TO THE RIDGE.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN AIRSPEED WHICH RESULTED IN AN INADVERTENT STALL AND INFLIGHT COLLISION WITH TERRAIN. FACTORS WERE A LOSS OF LIFT AND THE PILOT'S IN-FLIGHT DECISION TO MANEUVER TOO CLOSE TO THE RIDGE.
Accident investigation:
 |
|
Sources:
NTSB NYC94LA155
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Nov-2009 10:56 | DColclasure | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 05:26 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Nature, Departure airport, Source, Narrative, Accident report] |
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