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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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September 9, 1986 · Piper PA-60-600 · N90349

Binghamton, NY

Overview

Report Status
Preliminary report
Event Type
Incident
Date
September 9, 1986
Injury Outcomes
No injuries (1 uninjured)
Location
Binghamton, NY
Aircraft
Piper PA-60-600
Tail Number
N90349
Operator
Air Continental
Injuries
None
Aircraft Damage
Minor
NTSB Number
NYC86IA231

THE PLT STATED THAT AFTER LEVELING OFF AT 9000 FT MSL. HE HEARD A POP FOLLOWED BY AN EXPLOSION IN THE LEFT ENG. THE ENTIRE LEFT SIDE OF THE UPPER COWLING WAS PROTRUDING INTO THE AIRSTREAM WHICH CAUSED THE AIRCRAFT TO ROLL TO THE RIGHT. THE PILOT HAD TO USE FULL RIGHT RUDDER & HALF LEFT AILERON DEFLECTION TO MAINTAIN CONTROL. UNABLE TO MAINTAIN ALT AT BLUE LINE, AN EMERGENCY WAS DECLARED & RADAR VECTORS REQUESTED TO NEAREST AIRPORT. WHEN THE AIRPORT PERIMETER WAS CROSSED THE ACFT WAS LESS THAN 10 FT ABOVE THE GROUND. PILOT ELECTED TO LAND GEAR UP ON THE GRASS BETWEEN THE RUNWAY & TAXIWAY. INVESTIGATION REVEALED THAT THE EXPLOSION WAS CAUSED BY A FAILED CYLINDER.

Full Narrative

THE PLT STATED THAT AFTER LEVELING OFF AT 9000 FT MSL. HE HEARD A POP FOLLOWED BY AN EXPLOSION IN THE LEFT ENG. THE ENTIRE LEFT SIDE OF THE UPPER COWLING WAS PROTRUDING INTO THE AIRSTREAM WHICH CAUSED THE AIRCRAFT TO ROLL TO THE RIGHT. THE PILOT HAD TO USE FULL RIGHT RUDDER & HALF LEFT AILERON DEFLECTION TO MAINTAIN CONTROL. UNABLE TO MAINTAIN ALT AT BLUE LINE, AN EMERGENCY WAS DECLARED & RADAR VECTORS REQUESTED TO NEAREST AIRPORT. WHEN THE AIRPORT PERIMETER WAS CROSSED THE ACFT WAS LESS THAN 10 FT ABOVE THE GROUND. PILOT ELECTED TO LAND GEAR UP ON THE GRASS BETWEEN THE RUNWAY & TAXIWAY. INVESTIGATION REVEALED THAT THE EXPLOSION WAS CAUSED BY A FAILED CYLINDER.

Flight

Event TypeIncident
Event Time07:11 EDT
Nearest AirportEdwin A. Link Field (0nm N)
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-60-600
Tail NumberN90349
Aircraft CategoryAir
DamageMinor
OperatorAir Continental
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsLycoming · 10-540-K1F5 · Reciprocating · 290
Seats6

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 34 · First Class

Conditions

ConditionsVMC
LightDaylight
Wind230° @ 5 kt
Visibility25 sm
CeilingNone
Temperature / Dew Point46 / 41 C
Altimeter30.00 inHg
Observation Time11:04
Weather SourceWFAC

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Appendix: Source Data