What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(.4)The inadvertent encounter with the helicopter main rotor downwash during the initial takeoff climb. Subsequently, the airplane descended and impacted the ground. (-23) N4430R, a Cessna 172M, departed runway 23 into the wake turbulance generated by a hevy helicopter crossing runway 23. After gaining 50 AGL, aircraft descended, made nose gear hard landing and ran off the left side of the runway collapsing the nose gear. Firewall has substantial damage.
As the FAA filed it
(.4)THE INADVERTENT ENCOUNTER WITH THE HELICOPTER MAIN ROTOR DOWNWASH DURING THE INITIAL TAKEOFF CLIMB. SUBSEQUENTLY, THE AIRPLANE DESCENDED AND IMPACTED THE GROUND. (-23) N4430R, A CESSNA 172M, DEPARTED RUNWAY 23 INTO THE WAKE TURBULANCE GENERATED BY A HEVY HELICOPTER CROSSING RUNWAY 23. AFTER GAINING 50 AGL, AIRCRAFT DESCENDED, MADE NOSE GEAR HARD LANDING AND RAN OFF THE LEFT SIDE OF THE RUNWAY COLLAPSING THE NOSE GEAR. FIREWALL HAS SUBSTANTIAL DAMAGE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.