PSTAR 10-14

01 An ATC instruction

• must be complied with when received by the pilot providing the safety of the aircraft is not jeopardized.
• must be ‘read back' in full to the controller and confirmed before becoming effective.
• is in effect advice provided by ATC and does not require acceptance or formal acknowledgement by the pilot concerned.
• is the same as an ATC clearance.

02 An ATC clearance

• is the same as an ATC instruction.
• is advice provided by ATC and does not require acceptance or acknowledgement by the PIC.
• requires compliance when accepted by the PIC.
• must be complied with when received by the PIC.

03 A pilot, after accepting a clearance and subsequently finding that all or part of the clearance cannot be complied with, should

• disregard the clearance.
• comply with only the part that is suitable.
• comply as best as possible under the circumstances to carry out the clearance and need not say anything to ATC.
• comply as best as possible under the circumstances and advise ATC as soon as possible.

04 After accepting a clearance and subsequently finding that it cannot be complied with, a pilot should

• take any immediate action required and advise ATC as soon as possible.
• comply as best as possible under the circumstances and say nothing to ATC.
• disregard the clearance.
• comply with the suitable parts.

05 An ATC clearance or instruction is predicated on known traffic only. Therefore, when a pilot is proceeding in accordance with a clearance or instruction

• ATC is relieved of the responsibility for traffic separation.
• the responsibility for traffic separation is divided between ATC and the pilot.
• the pilot is not relieved of the responsibility for traffic avoidance.
• the pilot is relieved of the responsibility for traffic avoidance.

06 If all or part of an ATC clearance is unacceptable, a pilot should

• comply as best as possible under the circumstances.
• refuse the clearance without giving a reason for refusal.
• acknowledge the clearance and read back only the acceptable parts.
• refuse the clearance and inform ATC of their intentions.

01 In an emergency requiring the use of an ELT, it should be turned on

• immediately and left on.
• at the ETA in the flight plan.
• for the first five minutes of each hour UTC.
• during daylight hours only to conserve the battery.

02 An aircraft's 121.5 MHz ELT may be switched to transmit for test purposes anytime

• following a hard landing.
• during the first
• minutes of any hour UTC.
• following a component or battery change.
• prior to flight and listening on 121.5 MHz.

03 Before shutting down you can verify that the aircraft's ELT is not transmitting by

• checking that the ELT switch is in the off position.
• listening on 121.5 MHz for a signal.
• ensuring that the master switch is off.
• checking the ELT visual warning light.

04 All accidental ELT activations should be reported to the

• airport manager.
• R.C.M.P.
• Minister.
• nearest ATS unit.