Considering flight safety as well as ground safety, the DZSTL coordinates closely with the DZ safety officer to observe and evaluate all factors that could adversely affect the safety of the airdrop operation. If radio contact is possible, the DZSTL will pass surface wind information and limited weather observations to inbound aircraft and units, as required. When radio contact is not possible, the DZSTL must ensure DZ markings are properly displayed as pre-briefed to convey the appropriate message to aircrews.
The DZSTL also considers both flight and ground safety when coordinating with the DZ safety officer to evaluate all potential risks to the airdrop operation. If radio communication is available, the DZSTL will provide surface wind information and limited weather data to incoming aircraft and units as required. When radio contact is not possible, the DZSTL must ensure that DZ markings are clearly displayed in accordance with pre-briefed instructions.