They already know this.
Here is a pdf chart of the airfield>
Dimensions: | 3500 x 75 ft. / 1067 x 23 m | ||||
Surface: | asphalt/concrete, in poor condition CONC IS SEVERELY CRACKED. |
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Weight bearing capacity: |
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Runway edge lights: | medium intensity MIRL RY 08/26 OTS INDEFLY. |
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RUNWAY 8 | RUNWAY 26 | ||||
Latitude: | 38-02.339143N | 38-02.433593N | |||
Longitude: | 084-36.574985W | 084-35.855642W | |||
Elevation: | 969.5 ft. | 972.6 ft. | |||
Gradient: | 0.3 | 0.3 | |||
Traffic pattern: | left | left | |||
Runway heading: | 085 magnetic, 081 true | 265 magnetic, 261 true | |||
Markings: | basic, in fair condition | basic, in fair condition | |||
Runway end identifier lights: | yes REIL OTS INDEFLY. |
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Touchdown point: | yes, no lights | yes, no lights | |||
Obstructions: | 25 ft. tree, 400 ft. from runway, 150 ft. right of centerline, 8:1 slope to clear | 17 ft. pole, 552 ft. from runway, 39 ft. left of centerline, 20:1 slope to clear |
Note the condition of the runway from the AIRNAV site info. Severly cracked runway, too short to begin with, they never had a chance.
It was still a piss poor idea to rotate even though there evidently wasn't even close to enough speed to make a safe takeoff. He probably should've kept the plane on the ground and put it through the field. It wouldn't have been pretty, but I don't think 49 people would've been killed.