Flight Plan Quick Guide 2 Item 10b Surveillance N No capabilities- include no other entries if filed Transponder Include no more than one A Mode A (no Mode C) C Modes A and C S Mode S- ACID and Altitude P Mode S- Altitude, no ACID I Mode S- ACID, no Altitude X Mode S- no ACID, no Altitude E Mode S- ACID, Altitude, Extended Squitter H Mode S- ACID, Altitude, Enhanced …