Regulation 87

any placard, listing or instrument marking containing the operating limitations of the aircraft is displayed —

in a conspicuous place in the aircraft; and

in such a manner to minimise the risk of erasure, disfigurement, obscuring or removal;

each unit of measure used on a placard, listing or instrument marking is the same as that on any related instrument or in the related flight manual;

each fuel contents gauge is clearly marked to indicate the units to which the gauge is calibrated;

a placard or marking is displayed in the immediate vicinity of each fuel and oil filler with the specification or grade, or both, of fuel or oil, as appropriate;

for every door (other than a flight deck door, if installed) in the aircraft that separates a passenger compartment from another compartment that has emergency exit provisions, a placard is displayed to indicate that the door must be open during take‑off and landing; (f)any placard or marking required under any certificate issued in respect of the aircraft is present at the designated location and remains legible; and

in the case of a relevant aircraft that is a small aeroplane, a passenger information sign or placard containing a prohibition against smoking is displayed in each lavatory compartment and every other appropriate location in the aircraft.