Narrative:

Takeoff initiated on runway 04 in light (less than 10 KTS) left crosswind. Tail raised prematurely (conventional geared airplane -- aeronca champion AR58). Severe yaw to the left from combination of gyroscopic precession and crosswind. Airplane ran off left side of runway. Attempt to gain flying speed in ground effect allowed us to clear a ditch but sustained flight not possible. Kept wings level, pulled power off, landed in a briar patch. Damage to landing gear, propeller, and fuselage. Supplemental information from acn 314171: because pilot X had extensively more time in conventional gear airplanes than pilot Y. They agreed that pilot X would be PIC throughout the flight. Before the takeoff, both pilots noted the presence of a left crosswind. Pilot Y had the controls at the beginning of the takeoff. Pilot X called 'raise the tail.' the tail was raised and the airplane yawed sharply to the left. Pilot X called 'I've got it.'

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Original NASA ASRS Text

Title: LOSS OF ACFT CTL DURING TKOF PROC. RWY EXCURSION. CRASH LNDG.

Narrative: TKOF INITIATED ON RWY 04 IN LIGHT (LESS THAN 10 KTS) L XWIND. TAIL RAISED PREMATURELY (CONVENTIONAL GEARED AIRPLANE -- AERONCA CHAMPION AR58). SEVERE YAW TO THE L FROM COMBINATION OF GYROSCOPIC PRECESSION AND XWIND. AIRPLANE RAN OFF L SIDE OF RWY. ATTEMPT TO GAIN FLYING SPD IN GND EFFECT ALLOWED US TO CLR A DITCH BUT SUSTAINED FLT NOT POSSIBLE. KEPT WINGS LEVEL, PULLED PWR OFF, LANDED IN A BRIAR PATCH. DAMAGE TO LNDG GEAR, PROP, AND FUSELAGE. SUPPLEMENTAL INFO FROM ACN 314171: BECAUSE PLT X HAD EXTENSIVELY MORE TIME IN CONVENTIONAL GEAR AIRPLANES THAN PLT Y. THEY AGREED THAT PLT X WOULD BE PIC THROUGHOUT THE FLT. BEFORE THE TKOF, BOTH PLTS NOTED THE PRESENCE OF A L XWIND. PLT Y HAD THE CTLS AT THE BEGINNING OF THE TKOF. PLT X CALLED 'RAISE THE TAIL.' THE TAIL WAS RAISED AND THE AIRPLANE YAWED SHARPLY TO THE L. PLT X CALLED 'I'VE GOT IT.'

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.