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NTSB Report
July 12, 2024 · Air Tractor AT602 · N528JC
Decatur, IL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 12, 2024
Injury Outcomes
No injuries (1 uninjured)
Location
Decatur, IL
Aircraft
Air Tractor AT602 (1999)
Tail Number
N528JC
Operator
Farm Air
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN24LA261
The pilot reported that the tailwheel became unlocked on landing. The airplane drifted to the left, exited the runway, and ground looped which resulted in substantial damage to the right wing. A post-accident examination revealed that the tailwheel lock pin was not engaged, although the cockpit handle was in the locked position. The cable was continuous from the cockpit handle to the locking mechanism, however, multiple attempts to move the tailwheel locking pin by manipulating the handle were unsuccessful. The pin became unstuck when it was assisted into position using a striking tool. Subsequent attempts to lock the tailwheel from the cockpit were successful and the mechanism functioned normally.
NTSB Probable Cause
The pilot’s inability to maintain directional control during the landing roll due to the malfunction of the tail wheel locking mechanism.
Full Narrative
The pilot reported that the tailwheel became unlocked on landing. The airplane drifted to the left, exited the runway, and ground looped which resulted in substantial damage to the right wing. A post-accident examination revealed that the tailwheel lock pin was not engaged, although the cockpit handle was in the locked position. The cable was continuous from the cockpit handle to the locking mechanism, however, multiple attempts to move the tailwheel locking pin by manipulating the handle were unsuccessful. The pin became unstuck when it was assisted into position using a striking tool. Subsequent attempts to lock the tailwheel from the cockpit were successful and the mechanism functioned normally.
Flight
Event TypeAccident
Event Time14:00 CDT
Nearest AirportDECATUR (0nm W)
Runway18/3
Runway Length5298 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAir Tractor AT602
Tail NumberN528JC
Aircraft CategoryAir
DamageSubstantial
OperatorFarm Air
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsPratt & Whitney · PT-6A-65AG · Turboprop · 1050
Seats1
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 78 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind110° @ 4 kt
Visibility10 sm
CeilingNone
Altimeter30.10 inHg
Observation Time13:54
Weather SourceWFAC