***Meaning*** :: <u>A</u>dvanced <u>A</u>viation <u>T</u>raining <u>D</u>evice The definition of an AATD is found in [[AC 61-136]]. The PFC1000 simulators found at [[WVFC|West Valley Flying Club]] are classified as AATDs. See [[Flight Simulators and Flight Training Devices]] #acronym