0.42

0.60

0.39

0.92

9° left

6° right

6° left

3° left

1: 6 000 000

1: 1 000 000

1: 5 000 000

1: 3 000 000

Sunrise and sunset will be at the same time at A and B.

Sunrise will be earlier at A than it is at B and sunset will be later at A than it is at B.

Sunrise will be earlier at A than it is at B and sunset will be earlier at A than it is at B

Sunrise will be later at A than it is at B and sunset will be earlier at A than it is at B.

small circle concave to the nearer pole

spiral curve

curve convex to the nearer pole

straight line

259° and 305 kt

260° and 315 kt

259° and 272 kt

271° and 272 kt

221°

180°

211°

208°

180 kt

280 kt

485 kt

385 kt

862 kg

895 kg

940 kg

803 kg

The point of the sun''s orbit closest to the earth.

The point of the sun''s orbit furthest away from the earth.

The point of the earth''s orbit furthest away from the sun.

The point of the earth''s orbit closest to the sun.

increases by 5°

decreases by 6°

varies by 4°

varies by 10°

19 300 ft

20 200 ft

20 700 ft

21 200 ft

028°

031°

208°

332°

follow a line which lies at first to the North of the parallel of 86°N but after having passed a DL of 180° to the South of it.

fly to the north via an arbitrary line.

follow a small circle which lies to the North of the parallel of 86°N.

fly via a spiral to the North Pole.

0.825

0.87

0.90

0.85