LAX84LA386

NTSB accident investigation · Let L-13 · Llano, CA · July 9, 1984

Accident · Minor injuriesLimited investigationFinal report
Date
July 8, 1984, 17:30 local (Jul 9, 1984, 00:30 UTC)
Place
Llano, CA
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N99966Let L-13
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840708033679A
Case key
24336

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

On this page

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
Compensation for wind conditions - inadequatePilot in commandCause
Weather condition - unfavorable windFactor
Weather condition - high windFactor
On ground/water collision with objectLanding - roll
Terrain condition - rough/unevenFactor
Object - tree(s)Factor

Analysis

According to the plt, the glider did not sink as fast as expected on the downwind leg, so he extended flaps to 30 to 40 deg, used spoilers & extended the downwind. On base leg he entered an area of high sink; therefore, he closed the spoilers & angled toward the rwy. He decided that he would be unable to reach the rwy, so he elected to land in a field, short of the arpt. During the landing on rough terrain, the right wing hit a joshua tree & the glider was damaged.

Aircraft

Registration
N99966
Reported as
Let L-13
Category
Glider
Serial number
025919
Airframe hours
1,509
Engine
unknown
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Cypress Soarng, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 11, 1984 · 30 hours before
Departed
L01 · Llano, CA

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
58
Certificate
Private
Airplane ratings
Single-engine land
Medical
Unknown
Flight hours
363 total · 21 in this make and model · 167 as pilot in command · 14 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 24 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
97 °F, dew point 48 °F
Altimeter
29.00 inHg
Observed at
WJF, 25 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.