Accident description
Last updated: 28 July 2014
Status:Final
Date:Friday 15 August 1958
Time:23:34
Type:Convair CV-240-2
Operator:Northeast Airlines
Registration: N90670
C/n / msn: 90
First flight: 1948
Total airframe hrs:26792
Engines: 2 Pratt & Whitney R-2800-CB3
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 22 / Occupants: 31
Total:Fatalities: 25 / Occupants: 34
Airplane damage: Damaged beyond repair
Location:0,4 km (0.3 mls) from Nantucket Memorial Airport, MA (ACK) (   United States of America) show on map
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:New York-La Guardia Airport, NY (LGA/KLGA), United States of America
Destination airport:Nantucket Memorial Airport, MA (ACK/KACK), United States of America
Flightnumber: 258
Narrative:
The aircraft, on a VOR instrument approach to runway 24, suddenly entered a heavy fog bank. The crew lost sight of the runway and ground; the aircraft struck the ground 1450 feet short of the runway and 600 feet to the right of the extended centerline.

PROBABLE CAUSE: "The Board determines that the probable cause of this accident was the deficient judgment and technique of the pilot during an instrument approach in adverse weather conditions in failing to abandon the approach when a visibility of one-eights mile was reported, and descending to a dangerously low altitude while still a considerable distance from the runway."

Classification:
Controlled Flight Into Terrain (CFIT) - Ground

Sources:
» ICAO Accident Digest, Circular 59-AN/54 (180-188)


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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 New York-La Guardia Airport, NY to Nantucket Memorial Airport, MA as the crow flies is 322 km (201 miles).

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Convair CV-240

  • 23rd loss
  • 566 built
  • 5th worst accident
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 United States of America
  • 47th worst accident (at the time)
  • 136th worst accident (currently)
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