SEA88LA188

NTSB accident investigation · Svensson Bushby Mustang II · Everett, WA · September 24, 1988

Accident · FatalLimited investigationFinal report
Date
September 24, 1988, 13:20 local (20:20 UTC)
Place
Everett, WA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Unknown
Aircraft
N7SVSvensson Bushby Mustang II
Weather
Day
Status
Completed · report November 28, 1989
Report
Approved by Office Director
FAA report
19880924040059A
Case key
40895

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.

In flight encounter with weatherUnknown
Weather condition - low ceilingFactor
Weather condition - fogFactor
Weather condition - drizzle/mistFactor
Vfr flight into imc - inadvertentPilot in commandCause
Loss of control - in flightUnknown
Aircraft control - not maintainedPilot in commandCause
Spatial disorientationPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Just prior to the acdnt, witnesses saw the acft in a steep, high speed descent. Impact occurred in soft, marshy terrain & much of the wreckage was buried. No mechanical reason was found for a loss of control; however, the acft was extensively damaged drg impact. About 5 mi ene at payne field, the wx was, in part: 3500' scattered, 7500' overcast, visibility 3 mi with light drizzle & fog, wind 040 at 5 KTS. Aprx 9 mi north at cascade airpark, the ceiling was estimated to be 500' to 800'.

Aircraft

Registration
N7SV
Reported as
Svensson Bushby Mustang II (BUSHBY MUS)
Category
Airplane, amateur-built
Serial number
479
Engine
Lycoming O-290, 125 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Carl I. Svenson
Airworthiness certificate
Special, Experimental (Special)
Departed
Everett, WA

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
51
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
750 total

Weather

Conditions
Day
Wind
40° at 5 knots
Visibility
3 statute miles
Temperature
52 °F, dew point 46 °F
Altimeter
29.00 inHg
Observed at
PAE, 5 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.