Can anybody tell me if there would be any rotor downwash from a pair of stationary Apaches. They were waiting at the threshold, as i came in to land in a PA28, there was a strong wind blowing in the direction from the Apache's towards my landing point, and i experienced turbulence and windshear. I'm not sure if this would be due to the Apaches, or just the strong wind conditions, any thoughts would be greatly appreciated.
Difficult to say as we we were not there. Some considerations, helicopters produce a down wash even at flat pitch, sufficient if you're on wheels to initiate and sustain taxi, the Apache manual suggests only pulling power to taxi if use of the rotor disc is insufficient. The very presence of an obstacle upwind is going to cause turbulence, more so if it is a helicopter modifying the airflow with its input via down wash. I don't think some here appreciate the handling qualities of light fixed wing aircraft such as your Cherokee. Congratulations on the airmanship in considering the issue, exercise extreme caution when helicopters are in the vicinity of your fixed wing landing or take off area.