Derive, from an Aircraft Flight Manual, the Fuel Consumption Rate for a given leg.
When working out the Fuel Burn for a given aircraft, this figure can be found in the aircraft’s Flight Manual under Performance.
This figure will normally be in Litres / hour or gallons / hour.
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8 | Section 6.32 |
To workout the distance travelled you need ….
1. Speed, in Knots which is nautical miles per hour.
2. and a Time in minutes.
In this example we have calculated your speed to be 120 Knots and you have been flying for 45 minutes.
On the Wizz wheel, Distance is on the outside and time is always on the inside.
1. Speed of 120kts on the outside (which is Distance travelled in an hour)
2. so, Time is on the inside, line-up the Hour [60 MIns].
Now we have a Distance and Time Ratio setup …
3. Find the time of 45 minutes on the inside (as time is on the inside).
4. Read off the Distance on the outside of 90 nm.
Derive or calculate the MCT and ECT at a given location (UTC, NZST and NZDT) Aeronautical Charts
MCT or ECT for a given location can be calculated by either logging into the AIP website with the following link, or looking up the pages in your AIP volume 1 GEN 2.7
http://www.aip.net.nz/pdf/GEN_2.7.pdf
ECT and MCT can be calculated by finding the correct zone for the area of the country, and then working out the time using the tables of times for each zone on a given date of the year.
When the exact date is not given, we must interpolate using times before and after the date we are after.
6.14.2(h) Drift (planned & Actual);
Drift is caused by the wind effect on an aircraft, and is defined as the angle between the aircraft heading and the aircraft track.
When planning a flight, we can work out the planned drift correction. Once we are in the air, the wind may differ from the planned wind, therefore we may need a new actual Drift Correction.
6.12.2(h) Pressure altitude (PA);
Pressure altitude is the altitude displayed when 1013 hPa is set on the altimeter sub scale barometer. It is the height above a standard datum.
Pressure Altitudes are commonly referred to as Flight Levels.
6.10.4(d) Position of another aircraft or point using relative bearing and the clock face method.
When referencing the position of other aircraft or points using relative bearings, we use the clock code.
The clock code works by referencing the position objects, as a relative bearing from the nose of the aircraft.
If the object was off our right wing (3 o’clock) the relative bearing would be 090°.
And if it was directly behind us (6 o’clock) the relative bearing would 180°.
On your navigation computer you should be able to locate some small arrows labelled:
KM, STATUTE, and NAUTICAL, or abbreviations pretty close to these.
Then simply line them up as in these examples….
6.4.6(a) True north;
6.4.6(b) Magnetic north;
6.4.6(c) Compass north;
is the direction along the earth’s surface in relation to the geographic North Pole
is the direction along the earth’s surface in relation to the magnetic North Pole.
This is the where the north-seeking pole of a magnetic needle points when free from local magnetic influence.
The magnetic North pole is located in Hudson bay Canada.
The direction in which a compass needle points.
This could differ slightly from “Magnetic North” due magnetic interference in your aircraft from (the aircraft, aircraft radio, pilot headsets,(any thing metal) etc.
6.2.4(g) Define and identify on a diagram of the Earth: Latitude/longitude.
Latitude and longitude are used to accurately pinpoint a location on the Earth’s surface.
When plotting positions, we state the latitude then longitude.
Positions can be expressed in degrees, minutes and seconds of an arc.
One degree is made up of 60 minutes, and one minute is made up of 60 seconds.
Eg: 45′ 30′ 45′ N – 122′ 50′ 45′ W
