BFO91LA082

NTSB accident investigation · Schempp-Hirth Venus CM · New Castle, VA · September 14, 1991

Accident · FatalLimited investigationFinal report
Date
September 14, 1991, 13:20 local (17:20 UTC)
Place
New Castle, VA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N102AGSchempp-Hirth Venus CM
Weather
Visual (VMC) · Not reported
Status
Completed · report August 13, 1993
Report
Approved by Office Director
FAA report
19910914039879A
Case key
11704

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to maintain adequate airspeed which resulted in a stall mush. Contributing was a high density altitude causing deteriorated aircraft performance, and an inadequate preflight preparation which resulted in an overgross aircraft condition.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightTakeoff - initial climb
Weather condition - high density altitudeFactor
Aircraft performance - deterioratedFactor
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in commandCause
Preflight planning/preparation - inadequatePilot in commandFactor
In flight collision with objectTakeoff - initial climb
Object - wire,staticFactor

Analysis

Witnesses reported the motorized glider lifted, climbed, and then descended into a 45 foot high powerline before it collided with the ground. Witnesses stated the glider takeoff run was longer than usual. Witness stated the engine sounds were normal. The density altitude was computed to be over 4000 feet MSL. According to performance charts, the takeoff roll and total distance over a 50 foot obstacle was 1696 and 2972 feet respectively based on an elevation of 1500 feet and 86 degree f temperature. The airfield elevation was 1320 feet, and the temperature was 96 degrees f. the glider was determined to be about 15 lbs overgross. The examination did not disclose evidence of mechanical malfunction.

Aircraft

Registration
N102AG
Reported as
Schempp-Hirth Venus CM
Category
Glider
Serial number
37
Airframe hours
197
Engine
Solo 2350C, 26 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Children Of The Mist Inc., doing business as 
Registered owner
Children Of The Mist Inc.
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · June 19, 1990 · 196 hours before
Airport
New Castle Gliderport, runway 36, 3,000 × ft, grass/turf

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
60
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Toxicology
Performed
Flight hours
1,889 total · 267 in this make and model

Weather

Conditions
Visual (VMC) · Not reported
Wind
350° at 11 knots
Visibility
25 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 63 °F
Altimeter
30.00 inHg
Observed at
ROA, 10 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.