ASN Aircraft accident McDonnell Douglas DC-9-82 (MD-82) N18835 New York-La Guardia Airport, NY (LGA)
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Status:Accident investigation report completed and information captured
Date:Wednesday 2 March 1994
Time:17:59
Type:Silhouette image of generic MD82 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-82 (MD-82)
Operator:Continental Air Lines
Registration: N18835
MSN: 49439/1318
First flight: 1986
Total airframe hrs:23448
Cycles:20295
Engines: 2 Pratt & Whitney JT8D-217A
Crew:Fatalities: 0 / Occupants: 6
Passengers:Fatalities: 0 / Occupants: 110
Total:Fatalities: 0 / Occupants: 116
Aircraft damage: Substantial
Aircraft fate: Repaired
Location:New York-La Guardia Airport, NY (LGA) (   United States of America)
Phase: Takeoff (TOF)
Nature:Domestic Scheduled Passenger
Departure airport:New York-La Guardia Airport, NY (LGA/KLGA), United States of America
Destination airport:Denver-Stapleton International Airport, CO (DEN/KDEN), United States of America
Flightnumber: 795
Narrative:
Prior to takeoff, the aircraft was deiced. The aircraft taxied to runway 13 and started the takeoff roll at 17:58:36.
At 60 knots, the indicated airspeed (IAS) appeared to stop increasing. The airspeed indicator increased once from 60 knots to 80 knots, then returned to 60 knots. Takeoff was aborted at 17:59:23. Brakes were ineffective and the airplane ran off the end of the runway, coming to rest on a dike and a tidal mud flat.

Probable Cause:

PROBABLE CAUSE: "The failure of the flightcrew to comply with checklist procedures to turn on an operable pitot/static heat system, resulting in ice and/or snow blockage of the pitot tubes that produced erroneous airspeed indications, and the flightcrew’s untimely response to anomalous airspeed indications with the consequent rejection of takeoff at an actual speed of 5 knots above V1."

Accident investigation:

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Investigating agency: NTSB
Status: Investigation completed
Duration: 1 years
Accident number: NTSB/AAR-95/01
Download report: Final report

Classification:
Pitot head issues
Rejected takeoff
Runway excursion

Sources:
» Air Safety Week 20 February 1995 (p. 4-5)
» Flight International 23-29 March 94
» Air Safety Week 27 February 1995 (p. 32)
» Air Safety Week 28 March 1994 (p. 3, 4)
» Air Safety Week 14 March 1994
» Flight International 9-15 March 1994 (8)
» FSF Accident Prevention Vol. 52, no.5 (May 1995)
» NTSB/AAR-95/01 (1-7, 16-17, 32-35, 60-84)
» Scramble 179
» Scramble 180


Follow-up / safety actions

NTSB issued 7 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 New York-La Guardia Airport, NY to Denver-Stapleton International Airport, CO as the crow flies is 2601 km (1626 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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