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NTSB Report
September 20, 2014 · Schleicher ASK 21 NO Series · N421SL
Wurtsboro, NY
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
September 20, 2014
Injury Outcomes
1 injury (1 minor injury)
Location
Wurtsboro, NY
Aircraft
Schleicher ASK 21 NO Series (2006)
Tail Number
N421SL
Operator
Waco Transport Business Trust
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ERA14CA453
During his first flight of the day, the pilot of the glider experienced windy conditions and sinking air in the vicinity of the airport. He subsequently departed on a solo flight, flew for about 15 minutes, and then entered the airport traffic pattern for landing. To compensate for wind, he conducted the downwind leg of the traffic pattern at a higher speed, and entered the base leg early. On final approach for landing, the glider experienced a loss of lift and "rapid" loss of altitude, and landed short of the runway in an uneven area of vegetation, resulting in substantial damage to the forward fuselage. The pilot reported no mechanical malfunctions or anomalies that would have precluded normal operation.
NTSB Probable Cause
Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Altitude-Attain/maintain not possible - C
Full Narrative
During his first flight of the day, the pilot of the glider experienced windy conditions and sinking air in the vicinity of the airport. He subsequently departed on a solo flight, flew for about 15 minutes, and then entered the airport traffic pattern for landing. To compensate for wind, he conducted the downwind leg of the traffic pattern at a higher speed, and entered the base leg early. On final approach for landing, the glider experienced a loss of lift and "rapid" loss of altitude, and landed short of the runway in an uneven area of vegetation, resulting in substantial damage to the forward fuselage. The pilot reported no mechanical malfunctions or anomalies that would have precluded normal operation.
Flight
Event TypeAccident
Event Time16:30 EDT
Nearest AirportWurtsboro-Sullivan County (1nm NNW)
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSchleicher ASK 21 NO Series
Tail NumberN421SL
Aircraft CategoryGli
DamageSubstantial
OperatorWaco Transport Business Trust
Operating RulePart 91
Engines0
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 54 · Sprt · Minor
Conditions
ConditionsVMC
LightDaylight
Wind170° @ 9 kt
Visibility10 sm
CeilingBroken clouds 5000 ft
Temperature / Dew Point57
Altimeter30.12 inHg
Observation Time19:54
Weather SourceWFAC