Comms Failure
VMC? Remain VMC and land at most suitable airport
IMC?
If receiving ATS surveillance:
If holding:
Destination procedure
Track to destination in accordance with flight plan, descend initial approach altitude for most suitable approach, carry out approach to prescribed circling minima, visual at minima at controlled aerdrome? land provided clearance to land received via voice modulated NAVAID or light signal from tower or not visual? depart most suitable alternate or hold if not enough fuel
Speechless Radar Procedure
Pilot request by 4 separate and distinct 1 second transmissions
Pilot response subsequent control questions:
Comms and NAVAID failure
IFR:
Interception - action by intercepted aircraft
Interception - Signals
Intercepting: rock aircraft or flash nav lights = you’ve been intercepted, follow me - intercepted aircraft does same? = Understood, will comply
Abrupt breakaway manoeuvre intercepting, climbing turn more than 90 degrees without crossing line of intercepted aircraft? You may proceed - intercepted? rock aircraft = understood, will comply
Intercepting: lowering landing gear, show steady landing lights and overfly runway in use = land at this airport. Intercepted? lower landing gear and showing steady lights = understood, will comply. Intercepted raise landing gear = airport you have designated is inadequate. regular switching on and off of all lights = cannot comply. irregular flashing = in distress.
In-Flight Fuel Management
MAYDAY call
PAN PAN call
Emergency Change Level in Controlled Airspace
2. PAN call