Aero Linx: The American Helicopter Society (AHS) International The American Helicopter Society (AHS) International is the world’s oldest and largest technical society dedicated to enhancing the understanding of vertical flight technology. AHS International is a non-profit education and technical organization. Since it was founded in 1943 — just as the first US helicopter was being put into service — the Society has been the primary forum for interchange of information on vertical flight technology. According to the AHS Bylaws, the purpose of the Society is to 'advance the theory and practices of the science of vertical flight aircraft.'"

IF/IAWP− Intermediate Fix/Initial Approach Waypoint

The waypoint where the final approach course of a T approach meets the crossbar of the T. When designated (in conjunction with a TAA) this waypoint will be used as an IAWP when approaching the airport from certain directions, and as an IFWP when beginning the approach from another IAWP.

"IAB approval is an essential requirement in airtanker contracts for some wildfire agencies, including the U.S. Forest Service. With this approval, we look forward to bidding on - and winning - upcoming domestic and international contracts. We are grateful and excited to join the team of airtankers currently serving a critical mission for the United States and globally, and look forward to continuing to work with the USFS, CalFire and IAB during the final approval process." Source: Global Supertanker Services CEO Jim Wheeler in comments made as the U.S. Interagency Airtanker Board approved "The Spirit Of John Muir" Boeing 747 supertanker for fighting wildfires on federal land in the U.S., clearing the way for Global Supertanker Servic