Pest Control Aircraft Pilot Practice Test

What adjustment is necessary to accommodate the influence of aircraft wake on spray pattern?

1. Reposition the nozzles on the spray boom

2. Increase the spray boom length

3. Change the aircraft's altitude

4. Use larger nozzles

The correct answer is: Reposition the nozzles on the spray boom

Adjusting the position of the nozzles on the spray boom is essential to accommodate the influence of aircraft wake on spray pattern. Aircraft wake turbulence can significantly affect how the spray disperses over the target area. If nozzles are not positioned correctly, the wake can disrupt the spray pattern, leading to uneven application and potentially affecting the efficacy of the pest control treatment. By repositioning the nozzles, pilots can optimize the spray distribution to ensure that it effectively reaches the intended areas while minimizing loss from drifting caused by the wake. This adjustment is crucial for maintaining the desired coverage and avoiding areas that might receive either too much or too little pesticide, which can influence both the effectiveness and environmental safety of the application. Other adjustments like increasing the spray boom length, changing altitude, or using larger nozzles can alter the overall application characteristics, but these modifications may not directly address the specific issue of managing wake turbulence and ensuring a consistent spray pattern over the target area.