Narrative:Because the flight was 12 minutes behind schedule, the pilot commenced takeoff from a runway intersection. The Twin Otter encountered wake turbulence from a recently departed jet, lost control and crashed.
Probable Cause:
PROBABLE CAUSE:
miscellaneous - vortex turbulence
FACTOR:
pilot in command - misjudged distance
Classification:
Weather: Wake vortex encounter
Loss of control
Sources:
» NTSB
Follow-up / safety actions
NTSB issued 1 Safety Recommendation
Issued: 24-JUL-1969 | To: | A-69-19 |
1. THE PRACTICE OF PERMITTING INTERSECTION TAKEOFFS BEHIND LARGE TURBOJET AIRCRAFT BE DISCONTINUED UNTIL ADEQUATE CRITERIA HAS BEEN PRESCRIBED. 2. NOTWITHSTANDING INFORMATION CONTAINED IN AC 90-23A - PT. 1 OF THE AIRMAN\'S INFORMATION MANUAL, ADDITIONAL EMPHASIS BE PLACED ON THIS IMPORTANT SAFETY INFORMATION AMONG PILOTS AND CONTROLLERS. (Closed - Acceptable Action) |
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Photos
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-John F. Kennedy International Airport, NY to Newark International Airport, NJ as the crow flies is 33 km (21 miles).
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.