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NTSB Report
April 29, 1985 · Mooney M20F · N9107V
Stevensville, MD
Overview
Report Status
Preliminary report
Event Type
Accident
Date
April 29, 1985
Injury Outcomes
No injuries (1 uninjured)
Location
Stevensville, MD
Aircraft
Mooney M20F
Tail Number
N9107V
Injuries
None
Aircraft Damage
Destroyed
NTSB Number
BFO85FA041
THE PLT STATED THAT WHEN IN NORMAL CURISE AT 3000 FT OVER CASTLE MARINA ARPT HE NOTICED EXCESSIVE OIL AND CYLINDER HEAD TEMPS. A CONCURRENT SMALL AMOUNT OF SMOKE WAS EMANATING FROM THE INSTRUMENT PANEL WHICH PROMPTED THE PLT TO EXECUTE A PRECAUTIONARY LNDG AT CASTLE MARINA. WHILE TAXIING FROM LDG, THE SMOKE FROM THE INSTRUMENT PANEL THICKENED. THE PLT SHUT DOWN THE SYSTEMS AND ENGINE (WHICH HAD CONTINUED TO RUN NORMALLY), AND EVACUATED THE AIRPLANE. FLAMES THEN ENGULFED AND DESTROYED THE CABIN AREA AND INST PNL. A MECHANIC DISCOVERED A CRACKED OIL PRESSURE GAGE LINE. THIS LINE IS SITUATED ABOVE THE TAIL PIPE AND IS ADJACENT TO A WIRE BUNDLE THAT POWERS THE ENGINE INSTRUMENTS. THE CRACK OCCURRED UNDER THE REDUCTION FITTING NUT, AND METALLURGICAL EXAMINATION REVEALED EVIDENCE OF OVERTIGHTENING.
Full Narrative
THE PLT STATED THAT WHEN IN NORMAL CURISE AT 3000 FT OVER CASTLE MARINA ARPT HE NOTICED EXCESSIVE OIL AND CYLINDER HEAD TEMPS. A CONCURRENT SMALL AMOUNT OF SMOKE WAS EMANATING FROM THE INSTRUMENT PANEL WHICH PROMPTED THE PLT TO EXECUTE A PRECAUTIONARY LNDG AT CASTLE MARINA. WHILE TAXIING FROM LDG, THE SMOKE FROM THE INSTRUMENT PANEL THICKENED. THE PLT SHUT DOWN THE SYSTEMS AND ENGINE (WHICH HAD CONTINUED TO RUN NORMALLY), AND EVACUATED THE AIRPLANE. FLAMES THEN ENGULFED AND DESTROYED THE CABIN AREA AND INST PNL. A MECHANIC DISCOVERED A CRACKED OIL PRESSURE GAGE LINE. THIS LINE IS SITUATED ABOVE THE TAIL PIPE AND IS ADJACENT TO A WIRE BUNDLE THAT POWERS THE ENGINE INSTRUMENTS. THE CRACK OCCURRED UNDER THE REDUCTION FITTING NUT, AND METALLURGICAL EXAMINATION REVEALED EVIDENCE OF OVERTIGHTENING.
Flight
Event TypeAccident
Event Time12:00 EDT
Nearest AirportCastle Marina (0nm N)
Runway1
Runway Length2700 ft
Runway Width20 ft
Flight Plan FiledNone
Aircraft FireIflt
Aircraft ExplosionGrd
Aircraft
AircraftMooney M20F
Tail NumberN9107V
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · IO-360-A1A · Reciprocating · 200
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 35 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind330° @ 11 kt, gusting 19 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point64 F / 36 C
Altimeter30.00 inHg
Observation Time18:00
Weather SourceWFAC