2-way radio failure/ Lost Commo

Question 1

Lost commo:

-If IMC:

Answer 1

• Squawk 7600
• Route- (AVE-F)
  
  • A-Assigned
  • V-Vectored
  • E-Expected
  • F-Filed

Question 2

Lost commo:

-If IMC, Altitude:

Answer 2

• Highest of: (MEA)
  
  • M- Minimum altitude for IFR
  • E- Expected
  • A- Assigned

Question 3

Lost commo:

-If VMC:

Answer 3

• Squawk 7600
• Land at nearest airport
• Cancel IFR by phone

Question 4

Leave clearance limit:

-When clearance limit is a fix from which an approach begins:

Answer 4

• Commence descent and approach as close as possible to EFC.

- If no EFC, commence descent and approach as close as possible to ETA as filed.

Question 5

Leave clearance limit:

-If clearance limit is not a fix from which an approach begins:

Answer 5

• Leave clearance limit at EFC
• If no EFC, leave clearance limit upon arrival over the clearance limit
• Proceed to a fix from which an approach begins
• Commence with descent/approach as close as possible to ETA as filed.

Question 6

Radar approaches:

-Initiate lost commo procedures if no transmissions are received for:

Answer 6

• 1 minute - vectored to final
• 15 seconds - ASR final approach
• 5 seconds - PAR final approach

-Attempt contact on secondary frequency, previously assigned frequency, tower, or guard.

Question 7

Radar approaches lost commo:

-If unable to re-establish communication and unable to maintain VMC:

Answer 7

• Proceed with published instrument approach
• Proceed with previously coordinated instructions
• Change transponder to appropriate codes