Oceanic Separation

Question 1

Vertical

Above FL410

Answer 1

2,000 feet

Question 2

Vertical

Non-RVSM above FL290

Answer 2

2,000 feet

Question 3

Vertical

Non-RVSM up to and including FL290

Answer 3

1,000 feet

Question 4

Vertical

Military aircraft above FL600

Answer 4

5,000 feet

Question 5

Vertical

From a military reservation

Answer 5

Applicable standard vertical separation minima

Question 6

Lateral NAT

RNP 4 aircraft

(Requirements and separation)

Answer 6

• Data link connected
• Periodic rate 10 minutes
• 5 mile lateral deviation alert

30 NM

Question 7

Lateral NAT

RNP 10 aircraft

(Requirements and separation)

Answer 7

-Data link connected

50 NM

Question 8

Lateral NAT

MNPS (operating in, transitioning to, or have part of route above or below MNPSA)

Answer 8

60 NM or 1 degree latitude

Question 9

Lateral NAT

• within WATRS
• between US, Canada, and Bermuda
• west of 55W between US, Canada, or Bermuda and points in the CAR ICAO region

Answer 9

90 NM or 1.5 degrees latitude

Question 10

Lateral NAT

All other aircraft

Answer 10

120 NM or 2 degrees latitude

Question 11

Lateral CAR

RNP 4 aircraft

(Requirements and separation)

Answer 11

• Data link connected
• Periodic rate 10 minutes
• 5 mile lateral deviation alert

30 NM

Question 12

Lateral CAR

RNP 10 aircraft

(Requirements and separation)

Answer 12

-data link connected

50 NM

Question 13

Lateral CAR

MNPS (operating to/from MNPSA)

Answer 13

60 NM

Question 14

Lateral CAR

WATRS

Answer 14

90 NM

Question 15

Lateral

Military reservations

Answer 15

1/2 the applicable lateral separation standard

Question 16

Longitudinal - same direction

RNP 4 aircraft

(Requirements and separation)

Answer 16

• Data link connected
• Periodic rate 10 minutes
• 5 mile lateral deviation alert

30 NM

Question 17

Longitudinal - same direction

RNP 10 aircraft

(Requirements and separation)

Answer 17

-data link connected

50 NM

Question 18

Longitudinal - same direction

Turbojet in NAT ICAO

Answer 18

15 minutes

Question 19

Longitudinal - same direction

Non-turbojet aircraft in WATRS

Answer 19

20 minutes

Question 20

Longitudinal - same direction

Non-turbojet aircraft outside WATRS

Answer 20

30 minutes

Question 21

Longitudinal - same direction

Mach Number Technique

Answer 21

10 minutes

Question 22

Longitudinal - same direction

Rule of 11

Answer 22

Faster in front

.02 faster - 9 minutes
.03 faster - 8 minutes
.04 faster - 7 minutes
.05 faster - 6 minutes
.06 faster - 5 minutes

Largest reduction allowed - 5 minutes

Question 23

Longitudinal - crossing

Turbojet aircraft

Answer 23

15 minutes

Question 24

Longitudinal - crossing

Non-turbojet within WATRS

Answer 24

20 minutes

Question 25

Longitudinal - crossing

Non-turbojet outside WATRS

Answer 25

30 minutes

Question 26

Longitudinal - opposite - NAT

Estimate to pass

Answer 26

15 minutes before/after

Question 27

Longitudinal - opposite - NAT

With progress of both aircraft over a significant point

Answer 27

10 minutes

Question 28

Longitudinal - opposite - NAT

Both aircraft data link connected and ADS report indicates one is past the passing point

Answer 28

Applicable lateral

Question 29

Longitudinal - same direction

Diverging requirements

Answer 29

• tracks diverge by 15 degrees or more continuously until oceanic lateral separation is achieved
• established on radar
• transitioning from radar to oceanic
• radar separation exists at boundary

Question 30

Vertical

Up to and including FL410

Answer 30

1,000 feet

Question 31

When can you not use the leaving report of an altitude to assign that altitude to another aircraft?

Answer 31

1. Severe turbulence reported
2. Military aerial refueling
3. Previous aircraft was issued pilot’s discretion climb/descent
4. Previous aircraft was issued a cruise clearance