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707 Captain >> 707 Captain >> Doppler Navigation
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Message started by Tim Capps on Aug 19th, 2010 at 4:15pm

Title: Re: Doppler Navigation
Post by Markoz on Sep 7th, 2010 at 12:20pm

Tim Capps wrote on Sep 7th, 2010 at 11:37am:
So when you guys set up and switch to A for your first leg, it doesn't reset the miles?  I can't imagine what I'm doing wrong -- after all, the instructions are pretty simple.  Maybe you could provide a step by step?

EDIT: Never mind.  According to the tutorial, something is going wrong when I switch to A.  Instead of showing the route, the miles just reset and I get nothing.  I don't think this is operator error.  I'm glad it's working for others, though.

Hi Tim.

You MUST turn the Stage Selector to A AFTER you turn the Control Switch to MAN or AUTO. If you turn the Stage Selector to A before you turn the Control Switch to MAN or AUTO, it will reset the miles to 0 (zero).

More woes though! :(

I just did a flight from YMML (Melbourne) to YSSY (Sydney). I set A to 45o and 372 miles and I set B to 5o 10 miles. This should have given me a flight path to out over the coast off of Sydney then a 30o intercept for ILS 34L. As the flight progressed, the heading slowly move to 38o (instead of 45o) which put me on the coast at Sydney, with an intercept on ILS 34L near impossible. Then, when I got to the start of B anyway, it turned to a heading of 225o with a distance of 372 miles. It was returning me back to Melbourne!

On the other test I was doing, from Seattle, I set it all up on the ground just prior to takeoff. As soon as I turned the A/P to NAV, it turned to intercept the course. With my Melbourne to Sydney trip, it refused to set while I was still on the ground. It worked fine once I was airborne. It's sure got me beat. :-/

Mark

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