What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Army helicopter was making an approach to runway 5 at ksop and making the proper radio calls on the CTAF frequency of 123.05. The army helicopter had the right of way.
N987AA was making an approach to runway 23 at ksop and transmitting on the wrong frequency of 122.7 which is the frequency for harnett county airport. N987AA caught a glimps of the army helicopter down low over the other end of runway 23 but thought the helicopter was moving clear of the runway. Pilot of N987AA reported the sun was setting and causing a glare.
The army helicopter had to do an evasive maneuver to avoid colliding with N987AA.
N987AA caught the rotor wash of the helicopter and lost control crashing onto the runway.
As the FAA filed it
ARMY HELICOPTER WAS MAKING AN APPROACH TO RUNWAY 5 AT KSOP AND MAKING THE PROPER RADIO CALLS ON THE CTAF FREQUENCY OF 123.05. THE ARMY HELICOPTER HAD THE RIGHT OF WAY.
N987AA WAS MAKING AN APPROACH TO RUNWAY 23 AT KSOP AND TRANSMITTING ON THE WRONG FREQUENCY OF 122.7 WHICH IS THE FREQUENCY FOR HARNETT COUNTY AIRPORT. N987AA CAUGHT A GLIMPS OF THE ARMY HELICOPTER DOWN LOW OVER THE OTHER END OF RUNWAY 23 BUT THOUGHT THE HELICOPTER WAS MOVING CLEAR OF THE RUNWAY. PILOT OF N987AA REPORTED THE SUN WAS SETTING AND CAUSING A GLARE.
THE ARMY HELICOPTER HAD TO DO AN EVASIVE MANEUVER TO AVOID COLLIDING WITH N987AA.
N987AA CAUGHT THE ROTOR WASH OF THE HELICOPTER AND LOST CONTROL CRASHING ONTO THE RUNWAY.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.