ASTM F1591-95 - 1.1.2000
 
1. Scope

1.1 This practice covers the signals to be used between persons on the ground and in aircraft when two-way voice communications cannot be established during ground emergencies. Ground signals are limited to land-based ones that do not require special equipment. Flare, light, panel, and maritime signals are specifically excluded.

1.2 The signals are divided into two categories: those used by persons on the ground and those used by aircraft.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

International Standards and Recommended Practices, Search and Rescue, Annex 12 to the Convention on International Civil Aviation Available from the International Civil Aviation Organization; Document Sales Unit; 1000 Sherbrooke St. West, Suite 400; Montreal, Quebec, Canada H3A 2R2.