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NTSB Report
July 14, 2014 · Jonker Sailplanes Pty JS1-C NO Series · N501WG
Truckee, CA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
July 14, 2014
Injury Outcomes
1 injury (1 serious injury)
Location
Truckee, CA
Aircraft
Jonker Sailplanes Pty JS1-C NO Series (2013)
Tail Number
N501WG
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
WPR14CA292
The pilot reported that following an uneventful flight, he checked the weather at his destination airport, noting wind was from 220 degrees at 7 knots, gusting to 16 knots. The pilot initiated an approach to landing on runway 20, however, while on final approach, the glider began to descend rapidly and roll to the left. The pilot applied opposite control inputs and noted that the glider began to turn to the right prior to impacting terrain slightly downslope from the runway. Recorded weather observations at the airport about 23 minutes after the accident revealed that the wind was from 250 degrees at 11 knots, gusting to 18 knots. The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot's failure to maintain aircraft control in gusting wind conditions while on final approach to the runway.
Full Narrative
The pilot reported that following an uneventful flight, he checked the weather at his destination airport, noting wind was from 220 degrees at 7 knots, gusting to 16 knots. The pilot initiated an approach to landing on runway 20, however, while on final approach, the glider began to descend rapidly and roll to the left. The pilot applied opposite control inputs and noted that the glider began to turn to the right prior to impacting terrain slightly downslope from the runway. Recorded weather observations at the airport about 23 minutes after the accident revealed that the wind was from 250 degrees at 11 knots, gusting to 18 knots. The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time17:23 PDT
Nearest AirportTruckee-Tahoe (1nm NE)
Runway20
Runway Length4650 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftJonker Sailplanes Pty JS1-C NO Series
Tail NumberN501WG
Aircraft CategoryGli
DamageSubstantial
Operating RulePart 91
Engine TypeTurbojet
Engine DetailsM&D Flugzeugbau · TJ42 · Turbojet · 85
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 63 · Second Class · Serious
Conditions
ConditionsVMC
LightDaylight
Wind250° @ 11 kt, gusting 18 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point43 C
Altimeter30.25 inHg
Observation Time00:45
Weather SourceWFAC