cannot reproduce and missing track file Problem with IFA in INS

[MivwTaupos]

Normally I turn INS into CV/GND (depend on airfield or carrier spawn), then wait for 90s for alignment, then switch it to IFA. But last time when I switch to IFA (after 90s, "ok" display in hsi), the left ddi display "INS ATT" advise, then after 20s, hsi say "ok" again, "INS ATT" gone in left ddi. But, the hsi still counting time, also doesn't have the "auto" soft button. that mean it wont switch waypoint automatically. I really dont understand. thanks

[Tholozor]

Ensure you've selected the OSB labeled STOR HDG on the HSI once the alignment starts if you want the 90-second alignment, otherwise it's going to do a normal alignment.

 

Also ensure GPS is available. After alignment is finished, when you move the switch to NAV, if you get a P/INS advisory you can safely move the switch to IFA. If there is no P/INS advisory in the NAV position, GPS is not available; moving the switch to IFA without GPS will initiate IFA RDR alignment mode.

[Wiggo]

Dunno if this applies under this topic, but have also problem with IFA navigation, and seems that many ppl have asked this. while playing some premade missions, hot start on carrier (but not taxied, waiting for turn) knob is at start turned to IFA (when I start the mission). I get in bit page "WPNS->DEGD" (WPNS degraded). Then if I turn knob from IFA to CV and try to align it says "NO WPTNS" (No waypoints?) there is waypoints, and waypoints for what? I can totally play the mission, just trying to understand that SHOULD I do something for that, and what is really happening in there. Why no waypoints? why wpns degd? Is it just that there is no "normal" nav waypoints, and so the waypoint system is "degraded"? 

Edited December 15, 2022 by Wiggo

[Tholozor]

The INS is already aligned in a hot start, there's no need to move the knob to anything.

[Wiggo]

On 12/15/2022 at 6:12 PM, Tholozor said:

The INS is already aligned in a hot start, there's no need to move the knob to anything.

Thank you. Just wondered if ithats something that "matters" somehow. Seems that it just says WPNS -> DEGD (Waypoint-system (or smthng) degraded), means that it is not using normal waypoints.

On 12/15/2022 at 6:12 PM, Tholozor said:

The INS is already aligned in a hot start, there's no need to move the knob to anything.

Prob found also in THAT mission also with cold start. But not in the others, so there just seems to be some weird´o´mob in that mission file. Its kinda old atleast...

[Tholozor]

Don't worry about WPNS DEGD (Weapons Degraded) on the BIT page, those aren't fully implemented yet; you can ignore it.

The NO WPYTS cue can only present itself during a carrier alignment, either by radio (RF) or using a cable (CBL) to align the aircraft based on the alignment from the ship and the aircraft's position relative to it. During the INS platform leveling, the aircraft can receive waypoints (up to 10) from the ship. If no waypoints have been received, you get the NO WYPTS cue on the HSI. Receiving waypoints isn't required for alignment.

Edited December 17, 2022 by Tholozor