MKC86LA137

NTSB accident investigation · WSK PZL Mielec PZL-M-18 · Wynne, AR · July 2, 1986

Accident · No injuriesLimited investigationFinal report
Date
July 2, 1986, 11:00 local (16:00 UTC)
Place
Wynne, AR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4685BWSK PZL Mielec PZL-M-18
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860702029819A
Case key
34202

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 control - in flightTakeoff
Flight control surfaces/attachments - locked
Aircraft preflight - improperPilot in commandFactor
InattentivePilot in commandFactor
Removal of control/gust lock(s) - not performedPilot in commandCause
Aborted takeoff - not performedPilot in commandCause
In flight collision with terrain/waterTakeoff
Airspeed - not attainedPilot in commandCause
Directional control - not attainedPilot in commandCause

Analysis

The plt stated that he had been fertilizing rice crops the morning prior to the accident flt and that there was nothing wrong with the acft. He further stated that on the accident flt he had already initiated the takeoff roll, when he realized that the flt controls were locked. According to the plt, by the time he unlocked the controls the acft had become airborne and had established itself in a critical attitude from which he could not recover.

Aircraft

Registration
N4685B
Reported as
WSK PZL Mielec PZL-M-18
Category
Airplane
Serial number
1Z012-10
Airframe hours
1,000
Engine
WSK ASZ621R-16, 967 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
William P. Hess
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · February 25, 1986 · 99 hours before
Departed
Wynne, AR
Destination
Wynne, AR

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
52
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
4,573 total · 985 in this make and model · 4,373 as pilot in command · 100 in the last 90 days · 10 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
150° at 5 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
90 °F, dew point -0 °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.