Oceanic Contingencies

Question 1

Weather avoidance procedure

Answer 1

• Ask ATC for deviation
• If negative or no response:
  
  • Turn off tracks
  • Lights on
  • State intentions on 121.5
  • If deviating more than 5 nm:
    
    • Easterly- L des 300, R clb 300
    • Westerly, L clb 300, R des 300

Question 2

Engine failure / Emer Des

Answer 2

• Try to ask ATC for deviation
• If none- turn at least 30º off track
• Minimise descent
• Watch TCAS, Lights, intentions on 121.5
• 5 nm offset
• descent below HLA (FL285)
• 500 ft offset (FL275)
• Proceed until new clearance

Question 3

What RNP for T290 / T9?
How many LRNS?

What RNP for Blue Spruce to Iceland?

Are ADS-C and CPDLC needed?

Answer 3

RNP 2, 1 LRNS

RNP 10, 1 LRNS
Downgrades to VOR/DME/ADF once in BIRD

Yes