LAX84FA382

NTSB accident investigation · Entwicklungsgemeinschaft Phoebus C · Yermo, CA · July 6, 1984

Accident · FatalField investigationFinal report
Date
July 6, 1984, 14:15 local (21:15 UTC)
Place
Yermo, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N880SEntwicklungsgemeinschaft Phoebus C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840706030409A
Case key
23974

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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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.

Abrupt maneuverDescent - normal
Weather condition - gustsFactor
Object - wire,staticFactor
Clearance - attemptedPilot in commandFactor
Pull-up - excessivePilot in commandCause
Loss of control - in flightDescent - normal
Compensation for wind conditions - inadequatePilot in command
Airspeed(vs) - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The pilot encountered adverse soaring flight conditions during a long x-country attempt and was forced to divert to an intermediate airport. On a long glide to his selected landing site, the pilot encountered high powerlines. Turning to avoid them , he lost control and entered an uncontrolled descent.

Aircraft

Registration
N880S
Reported as
Entwicklungsgemeinschaft Phoebus C
Category
Glider
Serial number
830
Airframe hours
865
Engine
unknown
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Norman D. Rockwood
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 28, 1984 · 71 hours before
Departed
L01 · Llano, CA
Airport
0L0 · Harvard

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
46
Certificate
Private
Seat
Center
Toxicology
Performed
Flight hours
285 total · 171 in this make and model · 261 as pilot in command · 46 in the last 90 days · 21 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
150° at 29 knots, gusting 33
Visibility
35 statute miles
Lowest ceiling
6,000 ft broken
Temperature
100 °F, dew point 48 °F
Altimeter
29.00 inHg
Observed at
DAG, 2 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.