Also known as: suppl.
SUPPL has various meanings in the Aviation category. Discover the full forms, definitions, and usage contexts of SUPPL in Aviation.
An angle or arc that, when added to a given angle or arc, makes 180° or a semicircle. To add to in order to make more complete. The main power plant fire detection system should contain an audible warning device to supplement the visual indication.
AviationLast updated: