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ATPL Flight Planning Questions and Answers 100% Correct
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ATPL Flight Planning
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ATPL Flight PlanningWhen asked to find the optimum level for a flight plan what weight do you need to find
first? – answer EMZW
When asked to find the maximum level for a flight plan what values do you need before
you look at the climb chart? - answer You need the BRW
When finding the optimum flight level what graph do you need? - answer Altitude
capability graph p 2 -14
When planning a backwards flight plan (i.e. you are given the LW weight or similar)
what is the formula for EMZW? – answer EMZW= LW + (total distance x 10/2)
If you are given a backwards flight planning question, how do you find out what level to
fly at with no BRW given? - answerUse EBRW formula which involves the LDW
Backwards flight planning formula for EBRW? – answer EBRW= LW + (total distance x
10kg/nm + 1600)
Explain the process for finding the maximum flight level to cruise at? - answer1. Identify
which hemispherical levels to pick from
2. Obtain BRW (given or using EBRW formula)
3. Trial & error, pick highest FL with MACH N.o. (given) & use the weather (ISA
variation to nearest 5C for table) at that level given in the RSWT to see if the you will
exceed the "cruise thrust limits" for that particular weight.
4. If BRW is over table weight, identify by how much and if by TOC the aircraft will have
burnt the excess weight or not (use climb tables). If it wont burn enough fuel check next
highest level. Continue until you find the correct level.
Explain the process for finding the optimum level to cruise at? - answer1. Identify which
hemispherical levels to pick from
2. Obtain EMZW
3. Using EMZW value & Mach N.o. (Given) under optimum weight column, find the
closest match to your EMZW value at the corresponding correct hemispherical level.
Closest match.
, 4. Dont forget to also check the "cruise thrust limits" side of the graph with your BRW to
determine if you will be under the corresponding value by TOC. If not, choose a different
hemispherical level.
When calculating ISA variation for climb, cruise & descent what is important to
remember when taking info off the RSWT? - answerClimb = Use 2/3 level for climb. Up
to and including FL310 use FL185 data.
For flights above FL310 use FL235 data.
Cruise = Use closest level to planned cruising level
Descent = Use 1/2 level for descent. Usually 185 values.
What is the generic TAS values for Climb and Descent? - answerClimb use 400 kts
Descent use 300 kts
When first completing a flight plan what value does the approach zone fuel have? -
answer400 or 400 kg
Do you need to calculate GS for climb and descent? - answerNo, leave blank. Already
accounted for in climb & descent tables
What is the formula for finding GS? - answerGS= TAS + Wind component
What is the formula for calculating Zone Fuel? - answerZone Fuel= Distance/GS x Fuel
Flow
What is the formula for calculating the ETI? - answerETI= Distance/GS x 60
What is the formula for calculating the EZW? - answerEZW= SZW - Zone Fuel
What formula can you use to check the accuracy of your EMZW that is your Actual
MZW? - answerActual MZW= (SZW + EZW)/2
When doing a forward flight planning question and you need to find the estimated LW
for the descent table, what formula do you use? - answerEstimated LW= BRW - ([total
distance x 10kg/nm] + 1600)
Once you've extracted the information (i.e. ETI, Zone fuel & AIRD) from the cruise &
descent tables, what do you do to find these values for cruise? Explain the process. -
answer1. Convert the ANM values from Climb & descent into GNM using formula.
2. These values are then the GNM for the climb & descent and must be taken off the
corresponding values written from the map to get the distances for cruise.
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