DEN92FA048

NTSB accident investigation · Schweizer SGS 1-34 · Elbert, CO · April 25, 1992

Accident · FatalField investigationFinal report
Date
April 25, 1992, 14:45 local (20:45 UTC)
Place
Elbert, CO
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N7642Schweizer SGS 1-34
Weather
Visual (VMC) · Day
Status
Completed · report December 1, 1992
Report
Approved by Office Director
FAA report
19920425011069A
Case key
18150

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-in-command's failure to maintain control of the glider resulting in separation of the right wing. A contributing factor to the accident was: the pilot's limited experience in the Schweizer sgs 1-34.

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 flightManeuvering
Aircraft control - not maintainedPilot in commandCause
Lack of total experience in type of aircraftPilot in commandFactor
Airframe/component/system failure/malfunctionManeuvering
Wing - overload
Wing - separation
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The glider was observed in a vertical dive aprx 1,500 ft above ground level. At 500 ft the right wing separated. The pilot had previously flown the glider for 15 minutes and 10 minutes on 4/23/92, an on the day of the accident had flown the glider for 30 minutes.

Aircraft

Registration
N7642
Reported as
Schweizer SGS 1-34
Category
Glider
Serial number
22
Airframe hours
1,874
Engine
unknown
Damage
Destroyed
Flight
Personal · Part 91
Operator
Soar Black Forest, Inc., doing business as Black Forest Soaring Society
Registered owner
Hans Arnold
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 23, 1991 · 50 hours before

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
32
Certificate
Private
Seat
Front
Toxicology
Performed
Flight hours
66 total · 1 in this make and model · 20 as pilot in command · 3 in the last 90 days · 2 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 8 knots
Visibility
65 statute miles
Lowest ceiling
None
Temperature
57 °F, dew point 19 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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

Other investigations on N7642 · 1

Matched to the same aircraft by N-number and date.