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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

September 24, 1984 · Beech A36TC · N305MM

Lafayette, IN

Overview

Report Status
Preliminary report
Event Type
Incident
Date
September 24, 1984
Injury Outcomes
No injuries (4 uninjured)
Location
Lafayette, IN
Aircraft
Beech A36TC
Tail Number
N305MM
Injuries
None
Aircraft Damage
Minor
NTSB Number
CHI84IA404

THE PLT REPORTED THAT WHEN HE LEVELED OFF AT 3000 FT MSL, THE AUX FUEL BOOST SWITCH WAS STILL ON, SO HE SWITCHED IT 'OFF.' WHEN THE SWITCH WAS TURNED OFF, THE ENG BEGAN TO RUN WITH A BIT OF VIBRATION, SO HE RETURNED THE SWITCH TO 'ON' & LEFT IT IN THAT POSITION FOR THE REMAINDER OF THE FLT. THE EN ROUTE PORTION OF THE FLT WAS UNEVENTFUL. DURING A DESCENT THRU 2300 FT, IN IFR CONDITIONS NEAR THE DESTINATION, THE ENG STOPPED RUNNING. THE PLT WAS UNABLE TO RESTART THE ENG. HE REPORTED THAT THE ACFT BROKE OUT OF THE OVERCAST AT A LOW ALT. THE PLT SAW A SUITABLE FIELD & LANDED, BUT THE ACFT RECEIVED MINOR DAMAGE. THE ENG OPERATED NORMALLY DURING A RUN-UP. NO REASON FOR THE LOSS OF POWER WAS IDENTIFIED.

Full Narrative

THE PLT REPORTED THAT WHEN HE LEVELED OFF AT 3000 FT MSL, THE AUX FUEL BOOST SWITCH WAS STILL ON, SO HE SWITCHED IT 'OFF.' WHEN THE SWITCH WAS TURNED OFF, THE ENG BEGAN TO RUN WITH A BIT OF VIBRATION, SO HE RETURNED THE SWITCH TO 'ON' & LEFT IT IN THAT POSITION FOR THE REMAINDER OF THE FLT. THE EN ROUTE PORTION OF THE FLT WAS UNEVENTFUL. DURING A DESCENT THRU 2300 FT, IN IFR CONDITIONS NEAR THE DESTINATION, THE ENG STOPPED RUNNING. THE PLT WAS UNABLE TO RESTART THE ENG. HE REPORTED THAT THE ACFT BROKE OUT OF THE OVERCAST AT A LOW ALT. THE PLT SAW A SUITABLE FIELD & LANDED, BUT THE ACFT RECEIVED MINOR DAMAGE. THE ENG OPERATED NORMALLY DURING A RUN-UP. NO REASON FOR THE LOSS OF POWER WAS IDENTIFIED.

Flight

Event TypeIncident
Event Time10:45 EDT
Nearest AirportLafayette (3nm W)
Runway0
Runway Length0
Runway Width0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBeech A36TC
Tail NumberN305MM
Aircraft CategoryAir
DamageMinor
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · TSIO-520-UB · Reciprocating · 300
Seats6

People & Injuries

Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 58 · Unknown

Conditions

ConditionsIMC
LightDaylight
Wind210° @ 6 kt
Visibility4 sm
CeilingBroken clouds 700 ft
Altimeter30.00 inHg
Observation Time14:49
Weather SourceWFAC

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Appendix: Source Data