Does this not depend on which version of the RFN TACAN you're using Pat? Nimitz was 57X in RFN 4.1 but in 4.2.. 57X (112.0) is allocated to Aqu1.
ATB
DaveB

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Actually, what I was talking was only for Mr. Rusev's HUD, and it's upgrades included in the FSDT Hornet.
I keep the latest RFN system downloaded, in case I ever need to load it up, but I don't use it anyplace. I understand it's compatible with Jivko's HUD, but I've never tried to integrate them.
Also, I'm not sure about his original version, but I know that Mr. Rusev's Hud, the upgraded version included in the FSX BA F/A-18C v16.1 is TACPAC enabled. Either that, or the newer versions will have it. One of the two...

I can't afford TacPac, so checking that out is beyond my capabilities, sorry.
By the way, speaking of the FSDT Hornet, and I love to

, I believe going to A_A mode on the HUD Control Panel disables the FCS, similar to the Spin Recovery Switch. I am pretty sure the Master Arm has the same effect. Handy if you get into an unrecoverable spin. Not easy, with the advanced FCS in that particular bird, but possible, if you work at it. Trust me on that!
With the FCS disabled, the plane is still flyable, and fairly controllable, but the incredible controllability the FCS gives is lost, along with the automatic flap controls, and so on...
Thank you for the input, Rob. I am not an XML type, any more than I am an artist, so the insight is greatly appreciated
Have fun all!
Pat☺