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I'm confused by Q17 in sample Qs set 5 in the textbook.
Unless instructed otherwise by ATC, you should make a downwind report when arriving at or conducting circuit training when operating -
a) at a class D aerodrome only
b) within 10nm of a CTAF aerodrome only
c) at an aerodrome with no ATC service
d) within a control zone
the answer is (a)
but in one of the Bob Tait's practice exams there is a Q
Unless otherwise instructed, a downwind report is mandatory at:
a) all control zones
b) all non controlled aerodromes
c) at all certified CTAF aerodromes
d) during circuit training at all Class D airports