AN/ASN-63 – FlyAndWire

11/12/2025: Some readers may have noticed that some docs and tools are now unavailable. I'm (slowly) moving away from US tech in favour of European, Commonwealth, Asian, and other solutions. More on this in the upcoming weeks.
03/05/2025: Updated Procedures and Operations to include Low-Level.
01/01/2025: Refreshed and polished main menu and other areas.
01/11/2024: The JF-17 issue raised in this video turned out to be a bug. Deka fixed it in the latest DCS Patch (2.9.9.2280).
09/09/2024: Removed "Contact Me" link. Too much spam and filtering did not help to sort legit and useless messages. Please use Discord or other means linked above.

F-4E-45MC INS: Visual/Radar, GPS Fix Update (AN/ASN-63)

Visual/Radar Fix updates are, historically, the go-to methods of performing an INS Fix Update. This article introduces them along with considerations from “Vulture”, a former F-4E WSO and Heatblur SME.
“Old” players may remember the GPS update I suggested for the F-14 Tomcat years ago. The NS430 is back, with an unexpected supporter.

DCS F-4 & Nav Gaming

F-4E-45MC INS: TACAN, GCI/Bullseye Fix Update (AN/ASN-63)

Inertial Navigation Systems’ tendency to drift can be partially addressed by updating the “Fix”. Several techniques can be used; this video shows how to perform an INS Fix Update via TACAN, GCI or Bullseye.

DCS F-4 & Nav Gaming

F-4E-45MC – “Leap Frog” Operations (INS Navigation)

“Leapfrogging” is a handy technique for INS navigation on the F-4E-45MC Phantom II. Its AN/ASN-63 Inertial Navigation System is, in fact, quite basic and allows for the storage of only a single reference point.