What characteristic must aircraft have to be suitable for aerial application of pesticides?

Aircraft suitable for aerial application of pesticides must be able to lift, transport, and disperse these substances safely. This is crucial because the primary function of an aerial applicator is to ensure that pesticides are distributed effectively over large areas while minimizing the risk of harm to the environment, human health, and non-target organisms.

The design and capabilities of the aircraft must accommodate the weight of the pesticides and the necessary equipment for their distribution. Additionally, safety features must be integrated to prevent spills or accidents during loading and application. This characteristic encompasses not only the ability to handle the chemical loads but also the essential requirement for safe operational practices in aerial application.

The other options, while important aspects of aircraft performance, do not fully encapsulate the essential requirement for aerial pesticide application. Generating high levels of lift, advanced navigation systems, and the capability of flying at low altitudes may enhance operational efficiency but do not directly address the core requirement of safely handling and applying pesticides. Therefore, the ability to safely transport and disperse pesticides defines the suitability of an aircraft for this specialized task.