Legally Mandated Units of Measurement (Law)

Question 1

Unit of measurement for distance in navigation?

Answer 1

Nautical Miles.

Question 2

Unit of measurement for horizontal distances in aerodromes?

Answer 2

Metres.

Question 3

Unit of measurement for vertical distances?

Answer 3

Feet.

Question 4

Unit of measurement for speed of an aircraft or of wind?

Answer 4

Knots.

Question 5

What are the 3 different ways to measure an aircraft’s speed?

Answer 5

True airspeed, indicated airspeed and ground speed.

Question 6

Unit of measurement for climbing speed?

Answer 6

Feet/minute, or sometimes metres/second. 200 feet/minute = 1 metre/second.

Question 7

Units of measurement for direction? (2 answers)

Answer 7

Degrees magnetic, or degrees true.

Question 8

Unit of measurement for visibility?

Answer 8

Metres up to 4,999m, and then km from that point onwards. >10km is just expressed as 10km.

Question 9

Unit of measurement for air pressure?

Answer 9

Hectopascals (hPa) or inches of mercury, if you’re dealing with the US military.

Question 10

Unit of measurement for temperature?

Answer 10

Degrees Celcius, or sometimes Kelvin.

Question 11

Unit of measurement for weight?

Answer 11

Kilograms.

Question 12

What should all times be given with reference to?

Answer 12

UTC (universal time coordinated).