LAX86FVG07

NTSB accident investigation · Phillips Steen Skybolt · Sonora, CA · August 31, 1986

Accident · Minor injuriesFinal report
Date
August 31, 1986, 09:50 local (16:50 UTC)
Place
Sonora, CA
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N69ZPhillips Steen Skybolt
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860831043599A
Case key
24980

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.

Airframe/component/system failure/malfunctionManeuvering
Hard landingDescent - emergency

Analysis

An amateur built phillips steen skybolt experienced an inflight failure of the upper wing panel fabric which led to a rapid descent and subsequent hard landing in a parking lot. Examination of the wing panel revealed no evidence of glue or bonding material having ever been applied to the fabric to secure it to the center section.

Aircraft

Registration
N69Z
Reported as
Phillips Steen Skybolt (STEEN SKYB)
Category
Airplane, amateur-built
Serial number
200-2
Airframe hours
186
Engine
Continental I0-470 SERIES, 260 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Norman Mckamey
Registered owner
Norman P Mckamey
Airworthiness certificate
Special, Experimental (Special)
Last inspection
100 hour · July 22, 1986 · 8 hours before
Departed
022 · Sonora, CA
Airport
022 · Sonora

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
55
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Rear
Flight hours
590 total · 104 in this make and model · 547 as pilot in command · 15 in the last 90 days · 15 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
30 statute miles
Lowest ceiling
None

FAA reports on this event · 1

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