Air-brained Quiz

Pilot - - CONTENTS - By James Al­lan

Pit your wits against our Quizmaster for a chance to win a Run­wayhd app

1

As­sum­ing that the wing main­tains a con­stant an­gle of at­tack, what would hap­pen to the drag of an air­craft if its air­speed in­creased from 85kt to 170kt? a it re­duces by 14% b it re­mains un­changed c it in­creases by 50% d it in­creases by 100% e it is quadru­pled

2

From which date is it manda­tory for all air­craft which are op­er­at­ing in airspace that re­quires the car­riage of a ra­dio to be fit­ted with 8.33khz-com­pat­able VCS (voice com­mu­ni­ca­tions sys­tem) equip­ment? a 01 Septem­ber 2017 b 01 Jan­uary 2018 c 01 June 2018 d 01 Jan­uary 2019

3

There is an area of low pres­sure over the North Sea and an an­ti­cy­clone cen­tred over the Repub­lic of Ire­land. What wind di­rec­tion is likely to af­fect a pi­lot fly­ing from Welsh­pool to In­ver­ness? a side wind from the right b side wind from the left c head­wind d tail­wind

4

Pi­lot­ing a Di­a­mond Twin Star, you have just joined the down­wind leg of the left-hand cir­cuit in use for Run­way 03 at Ret­ford/gam­ston. You are catch­ing up with an Auster, only a short dis­tance ahead of you that is also fly­ing down­wind to land. What is the ap­proved method of over­tak­ing it? a keep it to your left, as it is a left-hand cir­cuit and you must not cut in­side its pat­tern b keep it to your right, as it is a left-hand cir­cuit and you re­quire to shorten yours c al­ways keep the slower air­craft to your left, re­gard­less of cir­cuit di­rec­tion d over­tak­ing in the cir­cuit is never ap­proved

5

What causes mag­netic vari­a­tion? a elec­tro-mag­netic dis­tur­bances (e.g. thun­der­storms) in the earth’s at­mos­phere b the earth is not a reg­u­lar sphere, but ap­prox­i­mately an oblate spher­oid c the mag­netic fields of the air­craft’s struc­ture and sys­tems d the earth’s ge­o­graphic and mag­netic poles are in dif­fer­ent places

6

The pis­ton aero-en­gine shown here is a Con­ti­nen­tal IO-360. Each part of that nomen­cla­ture has a sig­nif­i­cance: a what does the ‘I’ mean? b what does the ‘O’ mean? c to what do the fig­ures ‘360’ re­fer?

7

Which type of frontal sys­tem nor­mally pro­duces cloud with the low­est cloud base? a oc­cluded front b warm front c cold front d all fronts can pro­duce equally low cloud

8

Use the ‘rule of thumb’ to work out which of the fol­low­ing is clos­est to the TAS (true air­speed) of an aero­plane cruis­ing at 9,000 feet amsl with an IAS (in­di­cated air­speed) of 110 knots. a 130 knots b 121 knots c 110 knots d 92 knots

9

Is it true that, in a smooth steady wind, a level co­or­di­nated turn from an up­wind head­ing to a down­wind head­ing will put the air­craft closer to a stall than a sim­i­lar turn from a down­wind head­ing to an up­wind head­ing will do? a yes b no c it de­pends on the ra­tio of wind­speed to Vs

10

Many light air­craft have a pair of wire an­ten­nae point­ing in a ‘V’ shape from the top of the tail fin as shown. To which type of avion­ics equip­ment are such aeri­als con­nected? a ADF b VOR c GPS d VHF/COM

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