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NTSB Report
August 16, 1983 · Cessna 421C · N386G
Centerto, IN
Overview
Report Status
Preliminary report
Event Type
Accident
Date
August 16, 1983
Injury Outcomes
8 injuries (1 serious injury, 7 minor injuries)
Location
Centerto, IN
Aircraft
Cessna 421C
Tail Number
N386G
Operator
M F S Associates
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
CHI83FA383
THE PLT REPORTED THAT DURING A CLIMB AFTER TAKEOFF, HE ENGAGED THE AUTOPILOT. WHILE MAKING AN ENTRY ON A TRIP SHEET, HE FELT A BUMP & NOTED THAT THE ACFT HAD STARTED TO DESCEND. HE DISENGAGED THE AUTOPILOT & THE NOSE PITCHED DOWN VIOLENTLY.REDUCING POWER HAD AN ADVERSE EFFECT, SO HE INCREASED POWER AGAIN. HE FINALLY LEVELED THE ACFT JUST PRIOR TO IMPACTING IN A FIELD AT CRUISE POWER. THE ELEVATOR TRIM TAB CABLES WERE FOUND TO HAVE BEEN CROSSED BETWEEN THE TAB ACTUATOR & THE PULLEY IN THE TAIL CONE. THE TAB WAS ALSO FOUND FULLY TRIMMED NOSE DOWN. THE ACFT HAD JUST BEEN GIVEN AN ANNUAL INSPECTION DURING WHICH THE ELEVATOR TRIM ACTUATOR HAD BEEN REMOVED, INSPECTED & LUBRICATED. THIS WAS THE FIRST FLT SINCE THE INSPECTION.
Full Narrative
THE PLT REPORTED THAT DURING A CLIMB AFTER TAKEOFF, HE ENGAGED THE AUTOPILOT. WHILE MAKING AN ENTRY ON A TRIP SHEET, HE FELT A BUMP & NOTED THAT THE ACFT HAD STARTED TO DESCEND. HE DISENGAGED THE AUTOPILOT & THE NOSE PITCHED DOWN VIOLENTLY.REDUCING POWER HAD AN ADVERSE EFFECT, SO HE INCREASED POWER AGAIN. HE FINALLY LEVELED THE ACFT JUST PRIOR TO IMPACTING IN A FIELD AT CRUISE POWER. THE ELEVATOR TRIM TAB CABLES WERE FOUND TO HAVE BEEN CROSSED BETWEEN THE TAB ACTUATOR & THE PULLEY IN THE TAIL CONE. THE TAB WAS ALSO FOUND FULLY TRIMMED NOSE DOWN. THE ACFT HAD JUST BEEN GIVEN AN ANNUAL INSPECTION DURING WHICH THE ELEVATOR TRIM ACTUATOR HAD BEEN REMOVED, INSPECTED & LUBRICATED. THIS WAS THE FIRST FLT SINCE THE INSPECTION.
Flight
Event TypeAccident
Event Time08:25 EDT
Nearest Airport0nm
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 421C
Tail NumberN386G
Aircraft CategoryAir
DamageDestroyed
OperatorM F S Associates
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · GTSIO-520-L · Reciprocating · 375
Seats8
People & Injuries
Injury Summary8 injuries (1 serious injury, 7 minor injuries)
Fatal0
Serious1
Minor7
Uninjured0
Total8
Crew 1Age 38 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind140° @ 3 kt
Visibility4 sm
CeilingNone
Temperature / Dew Point68 F / 61 F
Altimeter30.00 inHg
Observation Time12:41
Weather SourceWFAC