RT calls

Mode C Failure / Altimeter Redundancy, RVSM Non-Compliant

4 turns, modelled on the calls examiners use.

01YouVaranasi Control IFLY 160, 40 NM inbound BBN, transponder Mode C is failed, aircraft RVSM non-compliant, request descent to FL 270

02YouOR: Varanasi Control IFLY 160, 40 NM inbound BBN, altimeter system unreliable, aircraft RVSM non-compliant, request descent to FL 270

03ATCVT ROH, leave ATS route, descent FL 270, passing FL 290 resume normal navigation

04YouLeaving FL 350 for FL 270, turning left to leave ATS route, descent FL 270, passing FL 290 will resume normal navigation

Read the pilot lines out loud.

SectionAll 29 emergency, urgency (PAN PAN) callsNext callMode C Not Working / Working Again

More in Emergency, urgency (PAN PAN).

Mode C Not Working / Working Again

6 turns

Slow Decrease in Cabin Pressure, No Ground Controller Responding

1 turn

Slow Decrease in Cabin Pressure, Able to Contact ATC

3 turns

Cancel Urgency

1 turn

Urgency Communication Acknowledgement

1 turn

Urgency Communication Relay

1 turn

Urgency Communication, Stop Transmitting (Interference)

2 turns