LAX95LA242

NTSB accident investigation · Miller, Terry W. Tern · Adelanto, CA · July 1, 1995

Accident · No injuriesLimited investigationFinal report
Date
July 1, 1995, 14:00 local (21:00 UTC)
Place
Adelanto, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N7322Miller, Terry W. Tern
Weather
Visual (VMC) · Day
Status
Completed · report November 30, 1995
Report
Approved by Office Director
FAA report
19950701020319A
Case key
29144

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 inadequate compensation for the existing wind conditions.

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.

Dragged wing,rotor,pod,float or tail/skidTakeoff
Weather condition - crosswind
Compensation for wind conditions - inadequatePilot in commandCause

Analysis

During the aero tow operation, the glider's left wing raised. The pilot applied opposite aileron, but without success. The glider right wing dragged the dirt runway and then the glider gound looped. The aero tow pilot released the glider when it dragged the right wing. Initially, the pilot reported that he departed on a northwesterly runway and that the winds were calm. In the accident report he said he departed an easterly runway and that the winds were from the southeast between 0 and 15 knots.

Factual narrative

On July 1, 1995, at 1400 hours Pacific daylight time, a Showalter Tern Sailplane glider, N7322, dragged the right wing tip during an aero tow departure on runway 07 at Krey Field, Adelanto, California. The pilot was beginning a local visual flight rules personal flight. The glider, registered to and operated by the pilot, sustained substantial damage. The certificated private pilot, the sole occupant, was not injured. Visual meteorological conditions prevailed.

The pilot reported this accident to the National Transportation Safety Board on July 7, 1995. He said that during the aero tow, the glider right wing tip dragged the runway and then "spun around." The right wing folded and the tail section separated. He also said the airplane did not experience any preimpact mechanical malfunctions or failures, and that the surface winds were calm.

The pilot said in the accident report that the glider departed runway 07. When the pilot initially reported this accident to the Safety Board on July 7, 1995, he said the airplane departed runway 29. He also indicated in the report that the surface winds were from the southeast between 0 and 15 knots.

In the accident report, the pilot said that during the aero tow the left wing raised. He applied left aileron, but there was insufficient aileron control and the right wing continued downward until it struck the ground. The aero tow airplane pilot released the glider when the glider right wing struck the ground.

Aircraft

Registration
N7322
Reported as
Miller, Terry W. Tern
Category
Glider, amateur-built
Serial number
7-69
Airframe hours
300
Engine
unknown
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Sean R. Eckstein
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · May 1, 1995 · 31 hours before
Airport
Krey Field

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
34
Certificate
Private
Seat
Front
Flight hours
143 total · 16 in this make and model · 143 as pilot in command · 39 in the last 90 days · 23 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
225° at 15 knots
Visibility
100 statute miles
Lowest ceiling
None
Temperature
95 °F

FAA reports on this event · 1

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