MKC84LA242

NTSB accident investigation · Ayres S2R · Rohwer, AR · August 7, 1984

Accident · No injuriesLimited investigationFinal report
Date
August 7, 1984, 14:30 local (19:30 UTC)
Place
Rohwer, AR
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4002PAyres S2R
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840807041669A
Case key
33765

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.

Loss of engine power(total) - mech failure/malfManeuvering - aerial application
Engine assembly,master rod - failure,totalCause
Engine assembly,connecting rod - failure,totalCause
Forced landingLanding - flare/touchdown
Terrain condition - high vegetationFactor
Terrain condition - none suitableFactor
Directional control - not possiblePilot in commandFactor
Ground loop/swerve - uncontrolledPilot in commandCause

Analysis

The plt was unable to maintain alt after the engine failed. A forced landing was made in a field covered with 4 to 6 ft tall weeds. The acft traveled sideways during the landing. After the accident, the plt observed a broken rod which had penetrated the crankcase. Further inspection showed that the master rod was broken.

Aircraft

Registration
N4002P
Reported as
Ayres S2R
Category
Airplane
Serial number
2476R
Airframe hours
1,392
Engine
P&W R-1340, 600 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Mankin Flying Service Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · July 30, 1984 · 41 hours before
Departed
Rohwer, 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
57
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
8,500 total · 1,800 in this make and model · 250 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles
Lowest ceiling
None
Temperature
90 °F, dew point -0 °F

FAA reports on this event · 1

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