Air Navigation Order/Schedule 4Singapore legislationSchedule 4of Air Navigation OrderSchedule 4Copy linkCopiedCopy textCopiedFOURTH SCHEDULE[Deleted by S 487/2006 wef 11/08/2006]←PreviousSchedule 3 · Categories of AircraftNextSchedule 7 · Aircraft, Engine and Propeller Log Books→Read in full context — Air Navigation Order →