International Navigation Procedures

Question 1

When are you required to complete a plotting chart?

Answer 1

(GOM, Ch 6)
The use of a plotting chart is required for all operations where the route segment between the operational service volume of ICAO standard NAVAIDs exceeds 725 nautical miles for all turbojet aircraft.

Question 2

You have received your North Atlantic Clearance, but have not yet reached your Oceanic Entry Point, and you lose one Long Range Navigation Unit, what do you do?

Answer 2

(OpSpec B039)

Notify ATC of the failure and do not enter Oceanic Airspace; Climb/Descend or fly a Contingency route.

Question 3

When are the altimeters required to be recorded on the Master Flight Plan?

Answer 3

(GOM, Ch 5) (GOM, Ch 6)
• Reasonableness/Gross Error Check
• 10 minute plot on NAT
• At least once per hour in RVSM on flight plan or plotting chart
• After initially leveling in RVSM

Question 4

You are entering the North Atlantic MNPS. You have requested your clearance but have not yet obtained the three required elements of route, altitude and Mach Number. What should you do at the boundary?

Answer 4

(Atlantic (H/L) 1/2, Panel 1)
• Continue at your last assigned altitude using the filed route and Mach Number. And, continue efforts to obtain a complete clearance. Do not hold.

Question 5

If you lose the GPS input to the FMS, can you still perform Class II navigation?

Answer 5

(OpSpec B036)

• Yes.