What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Took off rwy 8L (grass) at F45 towing glider N411KP. After lift-off at approximately 100 feet AGL, collided with helicopter N34176 that was completing a simulated auto-rotation just above rwy 8L at the intersection with rwy 13 and taxiway c. airplane initiated an uncontrollable left roll after the collision with helicopter and stalled into the ground in a marshy area north of rwy 8L. Helicopter continued airborne for a short time, then rolled 50 feet on its left side, and stopped on taxiway c. glider in tow saw collision and released tow cable from tow plane and landed straight ahead on rwy 8L without incident, damage or injuries.
As the FAA filed it
(-23) TOOK OFF RWY 8L (GRASS) AT F45 TOWING GLIDER N411KP. AFTER LIFT-OFF AT APPROXIMATELY 100 FEET AGL, COLLIDED WITH HELICOPTER N34176 THAT WAS COMPLETING A SIMULATED AUTO-ROTATION JUST ABOVE RWY 8L AT THE INTERSECTION WITH RWY 13 AND TAXIWAY C. AIRPLANE INITIATED AN UNCONTROLLABLE LEFT ROLL AFTER THE COLLISION WITH HELICOPTER AND STALLED INTO THE GROUND IN A MARSHY AREA NORTH OF RWY 8L. HELICOPTER CONTINUED AIRBORNE FOR A SHORT TIME, THEN ROLLED 50 FEET ON ITS LEFT SIDE, AND STOPPED ON TAXIWAY C. GLIDER IN TOW SAW COLLISION AND RELEASED TOW CABLE FROM TOW PLANE AND LANDED STRAIGHT AHEAD ON RWY 8L WITHOUT INCIDENT, DAMAGE OR INJURIES.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.