Narrative:

On takeoff at sidney, northeast, altitude 4313 ft with temperatures in the 90's with density altitude estimated at 8000 ft, selected runway 20 which is a grass strip approximately 4700 ft long. Aircraft did not maintain flying attitude after rotation and proceeded off runway into a plowed field. To prevent this occurrence, I should have determined the effect using a grass runway on the takeoff performance.

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Original NASA ASRS Text

Title: A VULTEE BT13 COMMERCIAL PLT EXPERIENCES A RWY EXCURSION WHEN HIS ACFT FAILS TO MAINTAIN ALT AFTER ROTATION AND ENTERS A PLOWED FIELD ADJACENT TO RWY 20, A GRASS STRIP, AT SNY, NE.

Narrative: ON TKOF AT SIDNEY, NE, ALT 4313 FT WITH TEMPS IN THE 90'S WITH DENSITY ALT ESTIMATED AT 8000 FT, SELECTED RWY 20 WHICH IS A GRASS STRIP APPROX 4700 FT LONG. ACFT DID NOT MAINTAIN FLYING ATTITUDE AFTER ROTATION AND PROCEEDED OFF RWY INTO A PLOWED FIELD. TO PREVENT THIS OCCURRENCE, I SHOULD HAVE DETERMINED THE EFFECT USING A GRASS RWY ON THE TKOF PERFORMANCE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.