PDA

View Full Version : Question for ifr pilots on transition from instrument to visual approach


MarkJJ
11th May 2014, 20:27
Hi guys,

Question for you copter guys that fly IFR.

Mainly for guys flying to rigs but not solely.

During an instrument approach to a pad such as on a rig what visual clues do you have when making the transition from instruments to the visual.

Are gps approaches to rigs the normal now? Is there any sort of reference system for the tricky last part of landing on the pad? No sort of PAPI type system? Do you try for 3* path at a contestant angle?

Thanks for the replies

Gomer Pylot
12th May 2014, 01:22
Not many visual cues. No VASI, not much except for the platform or drilling rig, and the view is different every time, because the approach direction changes depending on the wind direction. You may not even see the helideck when you break out, not until you're very close and turning around the obstacles to find it. The approaches are based on GPS, which is much better than the way we did it long ago, LORAN. The precision is at least an order of magnitude better, but it's really not that different, since you also use the weather radar in ground mapping mode, so finding the rig isn't much of an issue. The final approach is done by eyeball, no approach aids on any platform I've ever landed on. It can be demanding, especially at night, but that's why we make the big bucks. If you're challenged by sarcasm, disregard the last few words of the previous sentence.