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3:21:07, May 4th 2014

rwmacevoy says:
I'm a former tanker navigator who flew the KC-135A model from 1976 until conversion to the E model about 1980 than going to C-130's in 1983. I loved the A model because it had basically nothing in terms of modern navigation systems. Some of our birds had real antiquated doppler systems that gave a position readout in left or right cross-track and plus or minus track. This was almost better than the coordinate read out system since both were analog and you had to run a DR to perform an update to the one with geographic coordinates since it took time to slew in the new information. With the cross-track you could just "bump in" the updates.

On top of that it often didn't matter that much since the doppler information was always suspicious. I learned in the tanker to trust my own ability to judge how the winds were changing.

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