IFR Navigation 4 - Calculations and Conversions

Your aircraft has been flying for 3 hours 20 mins and burnt 960kg of AVGAS

The aircraft is burning _____ LITRES PER HOUR

Your aircraft has flown 22nm in 8 minutes

The aircraft's groundspeed is ________ knots

An aircraft is flying at 225kts, how far will the aircraft travel in 1 hour 35 mins

• 356nm

• 304nm

• 142nm

A passenger has stated their weight as 187lbs and they have 23kg of baggage.

Their weight+baggage =________kgs

A 737 can carry 6820 US GAL of fuel

This is equal to ________litres (answer to nearest litre)

An aircraft has 10,000lbs of fuel remaining

How many litres of JET A1 is this? (use 0.8 as the SG of JET A1)

• 4545 litres

• 5681 litres

• 3636 litres

• 125000 litres

At 2217 an aircraft is 78nm from the destination flying at 144knots TAS with a 12knot headwind component.

What is the ETA at the destination to the nearest minute?

An aircraft departs Singapore at 0327 for London. The distance between them is 5863nm. If the aircraft's groundspeed is 467 knots what is the ETA at London?

Answer to nearest minute

An aircraft is exactly overhead a DME station at 32,000ft

What would the DME readout indicate?

• 0DME

• 5.3DME

• 6.1DME

• 9.6DME

An aircraft's planned cruise level is FL370. The aircraft takes off from Quito aerodrome at 9000ft. If the aircraft climbs at 1400ft per min until cruise, how long will it take to reach top of climb? Answer to nearest minute