ASN Aircraft accident Beechcraft 99A Airliner N125AE Johnstown-Cambria County Airport, PA (JST)
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Status:Accident investigation report completed and information captured
Date:Sunday 6 January 1974
Time:19:05
Type:Silhouette image of generic BE99 model; specific model in this crash may look slightly different
Beechcraft 99A Airliner
Operator:Air East
Registration: N125AE
MSN: U-125
First flight: 1969
Total airframe hrs:7503
Engines: 2 Pratt & Whitney Canada PT6A-27
Crew:Fatalities: 1 / Occupants: 2
Passengers:Fatalities: 11 / Occupants: 15
Total:Fatalities: 12 / Occupants: 17
Aircraft damage: Damaged beyond repair
Location:Johnstown-Cambria County Airport, PA (JST) (   United States of America)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Pittsburgh International Airport, PA (PIT/KPIT), United States of America
Destination airport:Johnstown-Cambria County Airport, PA (JST/KJST), United States of America
Flightnumber: 317
Narrative:
The aircraft crashed short of runway 33 after hitting an ILS tower.

Probable Cause:

PROBABLE CAUSE: "A premature descent below a safe approach slope followed by a stall and loss of aircraft control. The reason for the premature descent could not be determined, but it was probably the result of: (1) A deliberate descent below the published minimum descent altitude to establish reference with the approach lights and make the landing, (2) a visual impairment or optical illusion created by the runway/approach lighting systems, and (3) downdrafts near the approach end of the runway."

Accident investigation:

cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year
Accident number: NTSB/AAR-75-03
Download report: Final report

Sources:
» Flight International 17 January 1974 (66)


Follow-up / safety actions

NTSB issued 5 Safety Recommendations

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Pittsburgh International Airport, PA to Johnstown-Cambria County Airport, PA as the crow flies is 119 km (75 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Beech 99

  • 239 built
  • 7th loss
  • 4th fatal accident
  • 2nd worst accident (at the time)
  • 7th worst accident (currently)
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