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NTSB Report
May 11, 1982 · Beech E33 · N7457N
Bedford, MA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
May 11, 1982
Injury Outcomes
No injuries (4 uninjured)
Location
Bedford, MA
Aircraft
Beech E33
Tail Number
N7457N
Operator
M Gilbert & Y E Armani
Injuries
None
Aircraft Damage
Substantial
NTSB Number
NYC82FNA13
THE PILOT WAS UNABLE TO START THE AIRCRAFT WITH THE ELECTRIC STARTER WHEN THE BATTERY HAD INSUFFICIENT POWER TO CRANK THE ENGINE. THE PILOT STATED THAT HE SHUT OFF THE BATTERY AND ALTERNATOR SWITCHES, TURNED OFF THE MAGNETO SWITCH, AND REMOVED THE KEYS. HE STATED THAT HE THEN EXITED THE AIRCRAFT AND BEGAN PULLING THE ENGINE THROUGH TO COAT THE CYLINDER WALLS WITH OIL. SUBSEQUENTLY, THE ENGINE STARTED AND THE AIRCRAFT TRAVELED ACROSS THE RAMP AND STRUCK ANOTHER PLANE. AN INVESTIGATION REVEALED THAT THE KEYS COULD BE REMOVED WITH THE IGNITION SWITCH IN THE RIGHT MAG POSITION. A TEARDOWN OF THE SWITCH REVEALED THAT THE CONTACTS WERE BURNED AND THE LOCK CYLINDER CHAMBER WAS WORN. THERE WAS NO RECORD SHOWING COMPLIANCE WITH AD 76-07-12 FOR AN INSPECTION OF THE BENDIX IGNITION SWITCH, PN 10-357200-1.
Full Narrative
THE PILOT WAS UNABLE TO START THE AIRCRAFT WITH THE ELECTRIC STARTER WHEN THE BATTERY HAD INSUFFICIENT POWER TO CRANK THE ENGINE. THE PILOT STATED THAT HE SHUT OFF THE BATTERY AND ALTERNATOR SWITCHES, TURNED OFF THE MAGNETO SWITCH, AND REMOVED THE KEYS. HE STATED THAT HE THEN EXITED THE AIRCRAFT AND BEGAN PULLING THE ENGINE THROUGH TO COAT THE CYLINDER WALLS WITH OIL. SUBSEQUENTLY, THE ENGINE STARTED AND THE AIRCRAFT TRAVELED ACROSS THE RAMP AND STRUCK ANOTHER PLANE. AN INVESTIGATION REVEALED THAT THE KEYS COULD BE REMOVED WITH THE IGNITION SWITCH IN THE RIGHT MAG POSITION. A TEARDOWN OF THE SWITCH REVEALED THAT THE CONTACTS WERE BURNED AND THE LOCK CYLINDER CHAMBER WAS WORN. THERE WAS NO RECORD SHOWING COMPLIANCE WITH AD 76-07-12 FOR AN INSPECTION OF THE BENDIX IGNITION SWITCH, PN 10-357200-1.
Flight
Event TypeAccident
Event Time19:05 EDT
Nearest AirportHenson Field (0nm N)
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech E33
Tail NumberN7457N
Aircraft CategoryAir
DamageSubstantial
OperatorM Gilbert & Y E Armani
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-470 · Reciprocating · 260
Seats4
People & Injuries
Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 36 · Second Class
Conditions
ConditionsVMC
LightDusk
WindCalm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter0