MKC88FA012

NTSB accident investigation · Merchant Pitts S-1S · Vinton, IA · October 31, 1987

Accident · Serious injuriesField investigationFinal report
Date
October 31, 1987, 09:50 local (15:50 UTC)
Place
Vinton, IA
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N76EMMerchant Pitts S-1S
Weather
Visual (VMC) · Day
Status
Completed · report June 7, 1989
Report
Approved by Office Director
FAA report
19871031065409A
Case key
34469

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) - nonmechanicalCruise - normal
Fluid,fuel - contaminationCause
Forced landingDescent - emergency
Nose overLanding - roll
Terrain condition - rough/unevenFactor

Analysis

The plt was rprtd to be on a maint ferry flt to another state. He rprtd that before the flt, he topped off the fuel tank & that the preflt, takeoff & departure were normal. Due to low clouds, he leveled off at aprx 2000' AGL. Shortly thereafter, the eng RPM began to gradually decrease until the eng stopped running. An emerg landing was made in an open field, but the acft nosed over & was dmgd. During an exam of the acft fuel sys, dirty residue was found in the fuel filter bowl & debris was found in the fuel filter element & fuel injector control valve.

Aircraft

Registration
N76EM
Reported as
Merchant Pitts S-1S
Category
Airplane, amateur-built
Serial number
1976
Airframe hours
440
Engine
Lycoming IO-360-B4A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Ferry · Part 91
Registered owner
Jerry Merchant
Last inspection
AAIP · June 20, 1987 · 9 hours before
Departed
VTI
Airport
VTI

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
61
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Toxicology
Performed
Flight hours
2,600 total

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 10 knots, gusting 14
Visibility
10 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 36 °F
Altimeter
29.00 inHg
Observed at
CID, 24 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.