why would you bury a theoretically wide-ranging and important limit, deep in a section about parachuting
Crab, Who knows how the minds of bureaucrats work, don't know about yours, but our regs are equally vague.The Oz CAR definitions.
acrobatic flight means manoeuvres intentionally performed by an aircraft involving an abrupt change in its attitude, an abnormal attitude, or an abnormal variation in speed.
CAR 155 Acrobatic flight
(1) A pilot in command of an aircraft must not do any of the following:
(a) fly the aircraft in acrobatic flight at night;
(b) fly the aircraft in acrobatic flight that is not in V.M.C.;
(c) fly the aircraft in a particular kind of acrobatic flight if the certificate of airworthiness, or the flight manual, for the aircraft does not specify that the aircraft may perform that kind of acrobatic flight.
Penalty: 25 penalty units.
(2) For the purposes of subregulation (1), straight and steady stalls or turns in which the angle of bank does not exceed 60 degrees shall be deemed not to be acrobatic flight.
Penalty: 25 penalty units