* Platelet-Activating Factor: This is a bioactive phospholipid involved in inflammation and allergy.
* Passenger Air Facility: This refers to an airport or other facility that serves passengers.
* Professional Airframe Technician: This is a certification for aircraft mechanics.
* Pacific Aerospace Flight: This is a company that provides aircraft maintenance and flight operations.
* Philippine Air Force: This is the air arm of the Armed Forces of the Philippines.
To determine the correct meaning of PAF, you need to consider the context in which it is used.