Aeronautical Information Manual Explanation of Changes Effective: August 15, 2019 a. 2-3-15. Security Identifications Display Area (Airport Ramp Area) d. 5-2-3. IFR Clearances Off Uncontrolled Airports This change clarifies the Security Identifications Display Area (SIDA), other types of security related areas on an airport, and the requirements of security identification. This change addresses the removal of the dedicated hotline and the phone number MEDEVAC pilots may contact for their clearances. b. 4-1-21. Airport Reservation Operations and Special Traffic Management Programs e. 7-1-20. Pilot Weather Reports (PIREPs) This change removes the telephone user information from the AIM due to the phone-based CVRS system not being serviceable. This change directs users to the current version of Advisory Circular 00-45H for additional detailed information on PIREPs. c. 4-3-18. Taxiing 7-3-1. General 7-3-2. Vortex Generation 7-3-3. Vortex Strength 7-3-4. Vortex Behavior 7-3-5. Operations Problem Areas 7-3-8. Pilot Responsibility 7-3-9. Air Traffic Wake Turbulence Separations 7-3-10. Development and New Capabilities This change updates and adds clarity regarding wake turbulence information. Explanation of Changes f. Editorial Changes Editorial changes include a universal AWSS change, NTAP references in 5-1-11, *RP terminology in 4-3-3, and references to MEDEVAC. g. Entire publication. Editorial/format changes were made where necessary. Revision bars were not used when changes are insignificant in nature. E of Chg-1