CHI88DEM04

NTSB accident investigation · Anderson Pitts S-1S · Mt. Pleasant, MI · April 10, 1988

Accident · No injuriesFinal report
Date
April 10, 1988, 11:45 local (15:45 UTC)
Place
Mt. Pleasant, MI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N528MSAnderson Pitts S-1S
Weather
Visual (VMC) · Day
Status
Completed · report March 13, 1989
Report
Approved by Office Director
FAA report
19880410009569A
Case key
13866

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.

Loss of engine power(total) - mech failure/malfManeuvering
Maintenance,design change - improperManufacturerCause
Fuel system,line - inadequateCause
Fluid,fuel - starvationCause
Emergency procedure - attemptedPilot in command
Forced landingDescent - emergency
Nose overLanding - roll
Terrain condition - soft

Analysis

The pilot was performing some inverted maneuvers when the engine quit. The pilot stated he attempted to restart the engine but was unable to. He then executed an emergency landing in a farm field. During the landing roll the pilot was unable to maintain directional control and struck a furrow in the cultivated soil causing it to flip over onto its back, substantially damaging the aircraft. According to a mechanic, the engine quit as a result of an incorrect flop tube installed in the inverted fuel system when the homebuilt aircraft was constructed. The incorrect part was constructed of garden hose material and was incapable of supplying fuel to the aircraft inverted and when the fuel quantity was low.

Aircraft

Registration
N528MS
Reported as
Anderson Pitts S-1S
Category
Airplane, amateur-built
Serial number
EGA-1
Airframe hours
295
Engine
Lycoming O-320-A, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Murray C. Shaver
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · June 11, 1987 · 19 hours before

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
41
Certificates
Commercial, Airline transport, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
11,591 total · 75 in this make and model · 9,600 as pilot in command · 71 in the last 90 days · 10 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
None
Temperature
57 °F, dew point 36 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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