Chapter 13A OTS

Question 1

Between what flights levels does nat airspace extend from?

Answer 1

285 to 420

Question 2

What are the available cruise levels in Nat airspace?

Answer 2

290 to 410 inclusive

Question 3

What document covers the NAT system?

Answer 3

NAT DOC 007

Question 4

What are the 6 sectors of NAT airspace?

Answer 4

Bodo, Reykjavik, shanwick, gander, Santa Maria and New York

Question 5

What latitudes does the NAT airspace include?

Answer 5

27N to 90N

Question 6

What is the minimum lateral, longitudinal and vertical separation in NAT airspace?

Answer 6

Lateral = 23nm
Longitudinal = 5 mins
Vertical = 1000ft

Question 7

What systems do aircraft require to operate in NAT airspace?

Answer 7

• two LRNSs consisting of an IRS, INS or GNSS
  And
• an accurate time piece

Question 8

What routes can be used for aircraft with only one LRNS?

Answer 8

Blue spruce routes

Question 9

What is the validity period of the westbound flow?

Answer 9

1130z to 1900z

Question 10

What is the validity period of the eastbound flow?

Answer 10

0100z to 0800z

Question 11

Where does the highest density of traffic occur?

Answer 11

030W

Question 12

What flight levels do PBCS tracks include?

Answer 12

350 - 390

Question 13

How many degrees of latitude separate PBCS tracks?

Answer 13

0.5 degrees

Question 14

What RNP is required for PBCS tracks?

Answer 14

RNP 4

Question 15

What are the M routes and where are the located?

Answer 15

M201, 202 and 203

Located in New York OCA

Question 16

List the tango routes

Answer 16

9, 13, 16, 213 and 290

Question 17

What tango routes require only 1 LRNS?

Answer 17

9 and 290

Question 18

How long after passing the entry point must squawk 2000 be set?

Answer 18

10 mins

Question 19

What flight levels does NOTA, SOTA and BOTA extend to and from?

Answer 19

060 - 600

Question 20

What flights levels does GOTA extend to and from?

Answer 20

290 - 600