Habu_69 Posted November 29, 2021 Share Posted November 29, 2021 I know how to set the FPAS HOME WP. After an initial selection, however, the adjusting arrows disappear, so how can the selection be subsequently modified?? Link to comment Share on other sites More sharing options...
Solution Tholozor Posted November 29, 2021 Solution Share Posted November 29, 2021 HOME selection and remaining fuel calculations on the FPAS page become disabled when indicated Mach is 0.9 or above. 1 REAPER 51 | Tholozor VFA-136 (c.2007): https://www.digitalcombatsimulator.com/en/files/3305981/ Arleigh Burke Destroyer Pack (2020): https://www.digitalcombatsimulator.com/en/files/3313752/ Link to comment Share on other sites More sharing options...
Habu_69 Posted November 29, 2021 Author Share Posted November 29, 2021 Thank you. Very valuable information, but you missed the point of my question. Link to comment Share on other sites More sharing options...
Harker Posted November 29, 2021 Share Posted November 29, 2021 Thank you. Very valuable information, but you missed the point of my question.You need to be below Mach 0.9 and the arrows will appear again. 2 The vCVW-17 is looking for Hornet and Tomcat pilots and RIOs. Join the vCVW-17 Discord. F/A-18C, F-15E, AV-8B, F-16C, JF-17, A-10C/CII, M-2000C, F-14, AH-64D, BS2, UH-1H, P-51D, Sptifire, FC3 - i9-13900K, 64GB @6400MHz RAM, 4090 Strix OC, Samsung 990 Pro Link to comment Share on other sites More sharing options...
Habu_69 Posted November 30, 2021 Author Share Posted November 30, 2021 Well, the key or me is that the aircraft also must be moving for the arrows to appear. I was trying to change the HOME WP while the aircraft was still parked. No go. 1 Link to comment Share on other sites More sharing options...
CBStu Posted November 30, 2021 Share Posted November 30, 2021 13 hours ago, Habu_69 said: Well, the key or me is that the aircraft also must be moving for the arrows to appear. I was trying to change the HOME WP while the aircraft was still parked. No go. That is funny as heck. Most car navs limit what you can do while moving. This limits what you can do when flying. Link to comment Share on other sites More sharing options...
ultrablue2258 Posted December 1, 2021 Share Posted December 1, 2021 Make sure you are in the nav master mode and not in burner. Link to comment Share on other sites More sharing options...
Frederf Posted December 2, 2021 Share Posted December 2, 2021 It's possible to get the FPAS point stuck if you do something to disable the waypoint being used. Not being a valid point you never get the arrows to change the selection. Link to comment Share on other sites More sharing options...
AstonMartinDBS Posted December 3, 2021 Share Posted December 3, 2021 On 11/29/2021 at 10:04 PM, Tholozor said: HOME selection and remaining fuel calculations on the FPAS page become disabled when indicated Mach is 0.9 or above. On 12/1/2021 at 8:19 AM, ultrablue2258 said: Make sure you are in the nav master mode and not in burner. All those restrictions doesn't make any sense for me. Why do the HOME selection arrows disappear under certain conditions? [Modules] A-10C, A-10C II, AH-64D, F-14A/B, F-16C, F/A-18C, FC3, Ka-50, P-51D, UH-1H, CA, SC [Maps] PG, NTTR, Normandy, Sinai, Syria, TC [OS] Windows 11 Pro [PC] MSI Pro Z790-A, i9-13900K, 64 GB DDR5-5200, RTX 4090 24 GB GDDR6X, 2 x SSD 990 PRO 2 TB (M.2), Corsair 5000D Airflow, HX1500i, H150i RGB Elite, Acer X28, TM HOTAS Warthog (Grip@WarBRD Base), MS SW FFB2, Thrustmaster TFRP, TrackIR 5 & TrackClip Pro [Checklists] A-10C, F-16C, F/A-18C, AH-64D, Ka-50, UH-1H Link to comment Share on other sites More sharing options...
Tholozor Posted December 3, 2021 Share Posted December 3, 2021 43 minutes ago, AstonMartinDBS said: All those restrictions doesn't make any sense for me. Why do the HOME selection arrows disappear under certain conditions? When TAS reaches/exceed Mach 0.9, range and endurance calculations become invalid. If the HOME FUEL caution cannot be calculated by FPAS, the HOME waypoint selection arrows are removed. 2 REAPER 51 | Tholozor VFA-136 (c.2007): https://www.digitalcombatsimulator.com/en/files/3305981/ Arleigh Burke Destroyer Pack (2020): https://www.digitalcombatsimulator.com/en/files/3313752/ Link to comment Share on other sites More sharing options...
Frederf Posted December 3, 2021 Share Posted December 3, 2021 (edited) 3 hours ago, AstonMartinDBS said: All those restrictions doesn't make any sense for me. Why do the HOME selection arrows disappear under certain conditions? Above that speed FPAS gives up because you're clearly not trying for fuel economy. You'd just be getting alerts all the time and maybe the prediction isn't that accurate beyond a certain speed. I don't know why it prevents you from changing the reference point as a design decision though. Lot 20 is pretty old. Computational resources could be pretty limited. Edited December 3, 2021 by Frederf 2 Link to comment Share on other sites More sharing options...
Nealius Posted December 4, 2021 Share Posted December 4, 2021 On 12/3/2021 at 7:01 AM, Frederf said: It's possible to get the FPAS point stuck if you do something to disable the waypoint being used I would like to know how to disable the waypoint being used. I'm tired of the deedle every three seconds as I'm jockying the throttle in the groove and want the whole thing silenced. 2 Link to comment Share on other sites More sharing options...
Andartu Posted December 4, 2021 Share Posted December 4, 2021 10 hours ago, Nealius said: I would like to know how to disable the waypoint being used. I'm tired of the deedle every three seconds as I'm jockying the throttle in the groove and want the whole thing silenced. Because of that I made it part of the start-up to set it to the max WP59. Wrong behavior I know, but the Home Fuel warning always annoyed me. I rather live with the FPAS advisory than with a Master Caution going off in the groove. I monitor fuel all the time anyways. Link to comment Share on other sites More sharing options...
fagulha Posted December 4, 2021 Share Posted December 4, 2021 3 hours ago, Andartu said: Because of that I made it part of the start-up to set it to the max WP59. Wrong behavior I know, but the Home Fuel warning always annoyed me. I rather live with the FPAS advisory than with a Master Caution going off in the groove. I monitor fuel all the time anyways. Yes i do the same but usually only when inbound. - "Don't be John Wayne in the Break if you´re going to be Jerry Lewis on the Ball". About carrier ops: "The younger pilots are still quite capable of holding their heads forward against the forces. The older ones have been doing this too long and know better; sore necks make for poor sleep.' PC: I7 4790K 4.6ghz | 32GB RAM | Zotac GTX 1080Ti 11Gb DDR5x | Water cooler NZXT AIO Kraken x53 | 3.5TB (x4 SSD´s) | Valve Index| Andre´s JeatSeat. Link to comment Share on other sites More sharing options...
Nealius Posted December 5, 2021 Share Posted December 5, 2021 Even on WP59 I still get the FPAS deedle while working the groove. Link to comment Share on other sites More sharing options...
Frederf Posted December 5, 2021 Share Posted December 5, 2021 Keep a point nearby. If your FPAS point is off the coast of Africa (0°N 0°E) that's quite a distance. Link to comment Share on other sites More sharing options...
boerdi Posted August 31, 2023 Share Posted August 31, 2023 I set my FPAS home waypoint to 58 while starting up on the carrier (to disable the warning sound) Customised waypoints 0 to 2 while in transit But now the FPAS page doesn't let me change HOME to something else Speed definitely under Mach 0.9 What did I miss? Link to comment Share on other sites More sharing options...
Q3ark Posted August 31, 2023 Share Posted August 31, 2023 4 minutes ago, boerdi said: I set my FPAS home waypoint to 58 while starting up on the carrier (to disable the warning sound) Customised waypoints 0 to 2 while in transit But now the FPAS page doesn't let me change HOME to something else Speed definitely under Mach 0.9 What did I miss? You’re not in NAV master mode, that might be it. Link to comment Share on other sites More sharing options...
boerdi Posted August 31, 2023 Share Posted August 31, 2023 12 minutes ago, Q3ark said: You’re not in NAV master mode, that might be it. No dice Link to comment Share on other sites More sharing options...
Minsky Posted August 31, 2023 Share Posted August 31, 2023 1 hour ago, boerdi said: But now the FPAS page doesn't let me change HOME to something else As long as I'm aware, this behavior is true to the real aircraft. Within 5 seconds after the HOME waypoint is selected, and with weight off wheels, the system attempts to calculate the home fuel. If failed, it crosses out the number and removes the arrows. You can sorta circumvent this by altering the coordinates of the currently selected HOME waypoint. Re-entering "N00.00.00" would suffice. Dima | My DCS uploads Link to comment Share on other sites More sharing options...
boerdi Posted September 1, 2023 Share Posted September 1, 2023 (edited) Hm, even with weight on wheels the button will be crossed out after selecting the empty "bypass" waypoint 58 Back in the air, re-entering N 00.00.00 works to "unlock" the ability to select again But now the HOME FUEL advisory/warning pops up, even with "empty" waypoint Edited September 1, 2023 by boerdi Link to comment Share on other sites More sharing options...
Tholozor Posted September 1, 2023 Share Posted September 1, 2023 10 hours ago, boerdi said: But now the HOME FUEL advisory/warning pops up, even with "empty" waypoint N 0°, E 0° is not an "empty" waypoint. It's a calculatable position. REAPER 51 | Tholozor VFA-136 (c.2007): https://www.digitalcombatsimulator.com/en/files/3305981/ Arleigh Burke Destroyer Pack (2020): https://www.digitalcombatsimulator.com/en/files/3313752/ Link to comment Share on other sites More sharing options...
boerdi Posted September 1, 2023 Share Posted September 1, 2023 (edited) Indeed, but doesn't WP 58 technically have that value already when the plane starts up? And then fails to compute home fuel. But when I enter the zero coordinates the computation picks up? (all within a reasonable range of numbers of waypoints set up for a mission and WP 59 being the Bullseye populated WP) i.e. like NULL values and "0" as value in a database? I don't mind it being how it is. Just curious that I can't change HOME anymore after those five seconds. Edited September 1, 2023 by boerdi Link to comment Share on other sites More sharing options...
escaner Posted September 11, 2023 Share Posted September 11, 2023 Indeed, but doesn't WP 58 technically have that value already when the plane starts up? And then fails to compute home fuel. But when I enter the zero coordinates the computation picks up? (all within a reasonable range of numbers of waypoints set up for a mission and WP 59 being the Bullseye populated WP) i.e. like NULL values and "0" as value in a database? I don't mind it being how it is. Just curious that I can't change HOME anymore after those five seconds.You are right. Those points are undefined. They display 0, but they actually are not defined, which is different from a point defined with coord 0. Also being able to set an undefined point as home and the system locking because it is undefined is stupid. Aircraft systems are not designed like that. I already reported this, but ED does not care to investigate how it really works. [sIGPIC][/sIGPIC] Link to comment Share on other sites More sharing options...
boerdi Posted September 12, 2023 Share Posted September 12, 2023 (edited) (Please correct me if I am wrong!) To sum up the infos I could gather, these should be the necessary conditions to prevent HOME from being stuck/crossed out: - Speed below Mach 0.9 - Set HOME to a valid waypoint - No afterburner (no factor) - NAV master mode (no factor) Notes: - "Valid waypoint" means a "prepared" waypoint, either entered manually or set up in mission editor. (e.g. an "untouched" waypoint 55 is not valid and HOME gets stuck) - Default HOME waypoint is 0 - Calculation of home fuel starts 5 seconds after selecting the HOME waypoint on FPAS page - The HOME FUEL warning is the plane telling you that you will have less than 2000 lbs of fuel left at that designated HOME waypoint - Entering bogus "N 0 E 0" coordinates makes the waypoint valid but the calculation to "Null Island" in the Gulf of Guinea near the coast of West Africa will trigger HOME FUEL warning So you got HOME stuck on an invalid waypoint and want it to be available again? -> Check the "stuck" HOME waypoint number on the FPAS page and manually enter coordinates for that waypoint via HSI->DATA->WYPT tab to enable HOME computation again (best case would be a location where you think you will be landing) Or do you just want to shut up the annoying HOME FUEL warning and don't care that the button is stuck? -> Select a likely "untouched" waypoint like 58, 57 or 56 etc Note: waypoint 59 is automatically populated with the mission's bullseye coordinates and enables HOME FUEL calculation Edited September 15, 2023 by boerdi 1 Link to comment Share on other sites More sharing options...
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