Air India used to let us (Okanagan Helicopters) maintain IF currency using their B747 sim in Bombay: as a helicopter driver it was remarkably easy to fly the 747 IF and carry out a variety of approaches.
The multi engine SP fixed wing piston stuff was far more difficult, without a doubt, especially night, bad weather off a non-precision approach as mooted by
TukwillaFlyboy .
Swinging the lamp, but it all pales in comparison to a night fog approach by helicopter to an aircraft carrier, EMCON silent (no radio or navaids) after a four hour ASW sortie (never above 200ft) with a visibility of less than 100ft. Character building
