FTW94LA238

NTSB accident investigation · Rockwell S-2R · Winchester, AR · July 15, 1994

Accident · Serious injuriesLimited investigationFinal report
Date
July 15, 1994, 08:00 local (13:00 UTC)
Place
Winchester, AR
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N4903XRockwell S-2R
Weather
Visual (VMC) · Day
Status
Completed · report January 26, 1995
Report
Approved by Office Director
FAA report
19940715018539A
Case key
19113

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 loss of power due to the number one cylinder head cracking. A factor was the lack of suitable terrain for the forced landing.

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(partial) - mech failure/malfCruise
Engine assembly,cylinder - crackedCause
Forced landingDescent - emergency
On ground/water encounter with terrain/waterLanding
Terrain condition - none suitableFactor
Terrain condition - wet

Analysis

The aerial application pilot was en route to a field for aerial application of dry fertilizer when the engine lost power, and he made a forced landing to a wet field. The airplane nosed over damaging the right wing. According to a FAA inspector the number one cylinder head was cracked.

Factual narrative

On July 15, 1994, at 0800 central daylight time, a Rockwell International S-2R, N4903X, was substantially damaged during a forced landing near Winchester, Arkansas. The airline transport rated pilot was seriously injured. Visual meteorological conditions prevailed for the aerial application flight.

The pilot reported he was en route to a field for aerial application of dry fertilizer when he experienced a loss of engine power due to what he thought was a loss of a cylinder. He initiated an emergency landing to a cotton field. The field was muddy and upon landing the airplane nosed over, and came to rest inverted damaging the right wing.

According to the Federal Aviation Administration (FAA) inspector, the number one cylinder head was cracked on the exhaust side.

Aircraft

Registration
N4903X
Reported as
Rockwell S-2R
Category
Airplane
Serial number
2093R
Airframe hours
7,190
Engine
P&W R-1340-AN-1, 600 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
M.S. And T. Flying Service
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 20, 1994 · 459 hours before
Departed
NONE · Tillar, 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
35
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
10,450 total · 1,450 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 8 knots
Visibility
7 statute miles
Lowest ceiling
1,200 ft broken
Temperature
75 °F, dew point 72 °F
Altimeter
30.00 inHg
Observed at
PBF, 34 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.

Other investigations on N4903X · 2

Matched to the same aircraft by N-number and date.