ATC clearances and communicationsQuestion 220 of 351

Your aircraft has two-way VHF radio. Which frequency must the radio be able to use?

  1. 118.0 MHz
  2. 120.5 MHz
  3. 121.5 MHz
  4. 119.5 MHz
Show answer

Correct answer: 121.5 MHz

No person may operate such an aircraft unless the radio can use 121.5 MHz.

Source: Canadian Aviation Regulations (SOR/96-433), CAR 602.143 Emergency Radio Frequency Capability

Practice atc clearances and communications

Questions last reviewed: 18 October 2026