When departing from an airport located outside controlled airspace during IMC, you must file an IFR flight plan and receive a clearance before

/in , , /by

What altitude may a pilot select upon receiving a VFR on Top clearance?

/in , , /by

(Refer to figures 41, 42, and 42A.) Approaching DFW from Abilene, which frequency should you expect to use for Regional Approach Control, control tower, and ground control respectively at DFW?

/in , , /by

What is meant when departure control instructs you to “resume own navigation” after you have been vectored to a Victor airway?

/in , , /by