86WG SI(OPS) 03-156 DLRO

Question 1

Maximum diversion distance of 1200nm is calculated under assumptions for wind, conditions, time, OEI diversion cruise speed, reference gross weight and optimum diversion altitude. State these assumptions

Answer 1

Nil wind
ISA
Within max diversion time 180mins
OEI diversion cruise speed 310kts
Reference gross weight 210000kg
Optimum diversion altitude FL170

Question 2

When is contingency fuel required during ETOPS?

Answer 2

When FOB is less than the CFR thus requiring carriage of additional fuel. All stated on CFP.

Question 3

State Latitude restrictions on KC30 operations (polar ops)

Answer 3

Not permitted to operate north of 78 degrees north latitude or south of 60 degrees south latitude

Question 4

State the electrical systems limitations for ETOPS compliance for AAR TKR and ALS

Answer 4

AAR TKR: APU GEN shall be serviceable.

ALS: if an electrical power source (IDG1 or 2, APU GEN or EMER GEN) is unserviceable, the ARO console should be depowered.

Question 5

Prior to missions containing ETOPS segments, crews shall

Answer 5

• ensure selected ETOPS adequate airfields meet ETOPS planning weather minima during the required validity period
• determine the position of each ETP
• determine the ETOPS CFRs

Question 6

ETOPS dispatch weather minima

Answer 6

Shall be met from 1 hour prior to ETA until 1 hour after ETA, as listed on CFP

Precision approach:
- DH/DA + 200ft
- vis + 800m

Non-precision approach:
- MDA/MDH + 400ft
- vis + 1500m