SEA91FA203

NTSB accident investigation · Christen Industries Pitts S-2B · Scappoose, OR · August 10, 1991

Accident · FatalField investigationFinal report
Date
August 10, 1991, 16:50 local (23:50 UTC)
Place
Scappoose, OR
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N77PWChristen Industries Pitts S-2B
Weather
Visual (VMC) · Day
Status
Completed · report December 15, 1992
Report
Approved by Office Director
FAA report
19910810033019A
Case key
41333

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 misjudgment of altitude, while performing an aerobatic maneuver, and his failure to maintain ground clearance.

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.

In flight collision with terrain/waterManeuvering
Aerobatics - initiatedPilot in command
Altitude - misjudgedPilot in commandCause
Terrain condition - ground
Clearance - not maintainedPilot in commandCause

Analysis

The pilot was performing aeorbatic maneuvers at a low altitude. While maneuvering, the aircraft entered a power dive and the pilot did not recover before it impacted the ground in a steep nose down attitude.

Aircraft

Registration
N77PW
Reported as
Christen Industries Pitts S-2B
Category
Airplane
Serial number
5181
Airframe hours
159
Engine
Lycoming AEIO-540-D4A5, 260 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Edwin M. Stanley
Registered owner
Edwin M. Stanley
Airworthiness certificate
Standard, Aerobatic; Standard, Normal
Last inspection
Annual · July 18, 1991 · 16 hours before
Departed
PDX · Portland, OR

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
54
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
2,871 total · 131 in this make and model · 23 in the last 90 days · 6 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
350° at 8 knots
Visibility
35 statute miles
Lowest ceiling
None
Temperature
73 °F, dew point 50 °F
Altimeter
30.00 inHg
Observed at
PDX, 12 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.