SEA90LA099

NTSB accident investigation · Briegleb BG-12B · Wenatchee, WA · June 11, 1990

Accident · No injuriesLimited investigationFinal report
Date
June 10, 1990, 17:30 local (Jun 11, 1990, 00:30 UTC)
Place
Wenatchee, WA
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Approach
Aircraft
N1696Briegleb BG-12B
Weather
Visual (VMC) · Day
Status
Completed · report December 30, 1992
Report
Approved by Office Director
FAA report
19900610019429A
Case key
41209

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

Pilot's improper inflight planning which resulted in the aircraft undershooting the runway. Factors in the accident were the high, gusty 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.

UndershootApproach - vfr pattern - final approach
In-flight planning/decision - improperPilot in commandCause
Weather condition - high windFactor
Weather condition - gustsFactor
In flight collision with terrain/waterApproach - vfr pattern - final approach

Analysis

The pilot flew too FAR in a VFR traffic pattern on the downwind leg to return to the runway for landing. The acft undershot the runway and impacted terrain off the arpt.

Aircraft

Registration
N1696
Reported as
Briegleb BG-12B
Category
Glider
Serial number
169
Engine
unknown
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Cascade Soaring Society
Airport
EAT · Wenatchee, runway 25, 1,100 × 100 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
49
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Flight hours
798 total · 3 in this make and model · 748 as pilot in command · 26 in the last 90 days · 10 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
240° at 18 knots, gusting 25
Visibility
30 statute miles
Lowest ceiling
20,000 ft overcast
Temperature
63 °F, dew point 37 °F
Altimeter
29.00 inHg
Observed at
EAT, 1 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.