PPL Navigation 04
Dead Reckoning Navigation
Basis of DR
Section titled "Basis of DR"1 / 10
The accuracy of the Dead Reckoning position can be degraded due to the:
2 / 10
What is drift in terms of navigation?
3 / 10
Which factor determines the amount of drift an aircraft experiences?
4 / 10
What is the purpose of applying the wind correction angle during flight?
5 / 10
What is the difference between true airspeed (TAS) and ground speed (GS)?
6 / 10
IAS is 105 knots,
TAS is 121 knots.
Headwind component is 14 knots,
What is the ground speed?
7 / 10
What is Calibrated Airspeed (CAS)?
8 / 10
The elevation of an airfield is 5000 ft,
OAT is 29 °C.
What is the density altitude?
9 / 10
An aircraft is cruising with a True Airspeed of 148 kt at 11000 ft,
OAT is 6 °C.
What is the Calibrated Airspeed?
10 / 10
The Calibrated Airspeed (CAS) is 103 kt,
pressure altitude is 8000 ft,
OAT is 5 °C.
Using a flight computer find the True Airspeed.
Compass
Section titled "Compass"1 / 5
Magnetic heading will differ from true heading due to:
2 / 5
The magnetic track is 089°,
variation is 12°E,
deviation is 3°W,
wind correction angle is 0.
What is the compass heading?
3 / 5
Our compass heading is 190°. What is our true heading if the variation is 6°W, and the deviation is 2°E?
4 / 5
When the compass deviation is '0', the compass heading will be equal to the:
5 / 5
True heading is 038°,
Variation is 4°E,
deviation is 3°W,
What is the compass heading?
1 / 9
2050 liters is equal to:
2 / 9
Convert 150 liters to US Gallons.
3 / 9
289 lb of fuel expressed in kg is:
4 / 9
The fuel onboard is 29 US Gallons,
The SG is 0.78.
What is the mass of the fuel?
5 / 9
The fuel required for the trip is 34 US Gallons.
What is the mass of that fuel, if the SG is 0.80?
6 / 9
Fuel burn is 7.8 US Gallon/hour.
Take off with 145 liters,
distance is 140 NM,
average ground speed is 111 kt
What is the estimated fuel on board at the destination airport?
7 / 9
The fuel onboard is 24 US Gallons.
The fuel flow is 8.3 US Gallons/hour.
What is the endurance?
8 / 9
Required block fuel is 164 liters.
You fuel up the aircraft with a 7 US gallon can.
The fuel onboard the aircraft before the fuelling is 45 liters
How many times do you have to use the can?
9 / 9
The altitude of an aircraft is 12000 ft, and the OAT is 9 °C.
The distance of the leg is 48 NM,
CAS is 120 kt,
average fuel flow is 6.9 US Gallon/hour,
wind is calm.
What is the fuel consumption between the two legs?
Wind and drift
Section titled "Wind and drift"1 / 12
The cross wind component is 10 kt,
The wind is coming from a 45° angle left of the track,
What is the wind speed?
2 / 12
The track of the aircraft is 165°,
the wind correction angle is 4°L.
The True Airspeed is 158 kt,
the ground speed is 150 kt.
What is the wind direction and the wind speed?
3 / 12
You are flying on the true heading of 281°,
the wind is 355°/15 kt.
What is the true track?
4 / 12
You are flying on the 180° track,
TAS is 145 kt,
wind is 245°/23 kt.
What is the ground speed of the aircraft?
5 / 12
The true direction of the runway is 070°.
Maximum cross-wind component of an aircraft is 15 kt.
What is the maximum wind speed if the wind direction is 095°?
6 / 12
The magnetic track of a leg from A to B is 234°.
The wind is 120°(T)/21 kt.
The variation is 4°W
What is the cross-wind component on the leg?
7 / 12
The wind is coming from a 40° angle left of track,
the wind speed is 25 knots.
What are the crosswind and headwind components?
8 / 12
The magnetic direction of the runway is 230°,
True wind is 265°/15 kt, and the variation is 5°E,
What is the crosswind component on the runway?
9 / 12
The wind is 040°(M)/17 kt,
The track is 092°(M),
The TAS of the aircraft is 142 kt,
What is the wind correction angle?
10 / 12
The aircraft is on a 300°(T) track.
The wind is 185°(T)/23 kt.
Altitude of the aircraft is 9000 ft,
OAT is 14 °C,
CAS is 120 kt.
The wind correction angle is?
11 / 12
The track on which the aircraft is flying is 142°(T) with 130 Knots TAS.
Wind is 173°(T)/15 kt.
What is the wind correction angle?
12 / 12
The true heading of the aircraft is 235°,
the true track is 242°,
the variation is 4°W.
What is the drift of the aircraft?
Speed, time and distance
Section titled "Speed, time and distance"1 / 10
After departure, the distance travelled after 54 minutes is 104 NM.
The total distance of the route is 145 NM
What is the estimated total flight time?
2 / 10
You overfly the runway at your destination aerodrome.
Ground speed is 97 kt,
it takes 21 seconds to pass the runway.
The length of the runway is?
3 / 10
Distance A to B is 323 NM
Ground speed (GS) is 134 kt.
What is the time required for this leg?
4 / 10
From point A to B the distance is 57 NM.
Actual elapsed time between the two points is 23 minutes
Altitude is 8000 ft
CAS is 103 kt
OAT is 0 °C
What is the ground speed?
5 / 10
An aircraft starts to descend at 600 ft/min from 9000 ft AMSL.
It levels off after 3 minutes.
What is the new altitude of the aircraft?
6 / 10
The cruising altitude of an aircraft is 12000 ft.
Destination airport is located at 1500 ft.
How much time does it take to descend to the destination airport if the descend rate is 750 ft/min?
7 / 10
From A to B the distance is 46 NM.
TAS is 134 kt,
GS is 154 kt.
What is the ETA at B if the aircraft is overhead A at 14:23?
8 / 10
Total distance from A to B is 223 NM.
The aircraft departs at 08:23,
the ETA at B is 10:10.
At 09:08 87 NM has been travelled.
What is the new ETA at B?
9 / 10
The distance between A and B is 17 NM,
the distance between B and C is 24 NM.
Departed from A at 06:15,
overhead point B at 06:23.
What is the ETA at point C?
10 / 10
On the leg from A to B, the aircraft experiences 3° Left drift.
The distance between A and B is 40 NM.
What will the distance of the track error be at point B
In-flight navigation
Section titled "In-flight navigation"1 / 6
A pilot is flying to a controlled airport.
Required arrival time is no later than 15:30 UTC due to an operational restriction.
The remaining distance is 80 NM, and the current ground speed is 105 knots.
The time is 14:50 UTC.
What must the new ground speed be to meet the restriction?
2 / 6
If an aircraft is over point A at 19:19,
The average tailwind component is 17 kt,
The distance between A and B is 149 NM.
What True Airspeed (TAS) should the aircraft fly to be over Point B at 20:02?
3 / 6
The distance between points A and B is 87 NM.
ATO over A is 15:02,
the average tailwind component is 5 kt,
what should the true airspeed be to arrive over B at 15:49?
4 / 6
A pilot is flying towards an airport 180 NM away.
The pilot needs to arrive in exactly 1.5 hours.
The current ground speed is 110 knots.
Assuming wind conditions remain constant,
by how much must the pilot increase or decrease airspeed to arrive on time?
5 / 6
The distance from A to B is 50 NM.
The aircraft after 25 NM experienced a 1.3 NM cross-track error.
How much should the heading be changed in order to arrive overhead at point B?
6 / 6
A pilot has planned a VFR flight from Airfield A to Airfield B, which is located 50 NM away.
The scheduled time of departure was 10:00 UTC,
with an ETA based on a planned True Airspeed (TAS) of 90 knots,
with a steady tailwind component of 10 knots.
Due to an unforeseen delay, the actual departure occurred at 10:10 UTC.
To arrive at Airfield B at the originally scheduled time, what must the adjustment be in terms of ground speed (GS)?
Flight log
Section titled "Flight log"1 / 2
Refer to figure ppl-060-025.
Assume a constant groundspeed and fuel burn rate between the waypoints.
Determine the:
Estimated Time Overhead (ETO), and
Estimated Fuel (lb) at waypoint B.
2 / 2
Refer to figure ppl-060-026.
Calculate the total flight time from departure (DEP) to destination (DEST) based on the flight data from the flight log.