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Everything posted by Default774
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This issue is related/similar to this issue which was reported earlier. The radar does not drop Air to Air target tracks correctly when switching the radar modes in a specific manner. When switching the radar from any air to air mode to a ground mapping mode, and then switching the radar to silent, the Air to Air track is not dropped within the normal 8 seconds when you drop a track normally. This issue is related to the FCR power issue mentioned earlier and accomplishes the same effect. Using this flaw in the track dropping logic you can provide AIM-120s with midcourse guidance without having to actually support the missile normally until active. You can turn cold completely and your missile will receive perfect midcourse corrections for its flight. You can perform this in the following manner: 1. Bug/track a target in any air to air mode(MSL or A-A) 2. Switch to any master mode with GM mode pre-selected on the radar(This can be either NAV or A-G with munitions on board allowing you to set the default radar mode in A-G to GM) 3. Turn the RF/emissions switch to silent Included is also a control group track, showing what the expected behaviour would be if you do not support the missile/do not use the aforementioned procedure. As expected, the missile does not hit the target in the control track, as the target makes a turn that the missile will not follow unless midcourse guidance is provided. MC_CONTROLGROUP.trk MC_GM_SIL.trk MC_CONTROLGROUP.acmi MC_GM_SIL.acmi
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reported earlier AGM-65 Does not guide when fired on helicopters
Default774 posted a topic in Weapon Bugs
The AGM-65 does not guide when fired on helicopters. Both CCD and IR mavericks go dumb off the rails when fired at helicopters, regardless of contrast or any other factors. CCD_MAV.trk IR_MAV.trk CCD_MAV.acmi IR_MAV.acmi -
reported Radar GM - no ground returns on Persian Gulf
Default774 replied to LotusDragon's topic in Bugs and Problems
You are on the Caucasus mission, try the PG refuelling mission, forgot to mention that -
reported Radar GM - no ground returns on Persian Gulf
Default774 replied to LotusDragon's topic in Bugs and Problems
I think this issue is related to what version the mission was created in. Trying any of the instant action missions results in ground not being visible on GM radar, only road/buildings. Gain rocker does not affect terrain visibility on old missions. Following image was captured in a freshly created mission: Following screenshot was captured in the aerial refuelling instant action mission and has no terrain visible. agr_FRESHMISSION.trk agr_INSTANTACTION.trk -
AIM-120 Does not guide correctly under HOBS conditions
Default774 replied to Default774's topic in Weapon Bugs
You have a point on 4&5 possibly being outside of the capabilities of the missile, but would expect the missile to not make a random left/right turn and start twitching (Which is the reason I included them). Aside from that, even if the missile cannot kinematically hit the target or the target is outside of the seeker limits, the target is flying at a constant speed/altitude, so I don't think it would be unreasonable to assume the INS would still guide the missile onto the rough track of the target. -
To be honest I am not sure why this is needed. The radar cursor soft locking onto the target already happens in the OB build (as is shown in the expected trk) so I assume the radar cursor doing this is intentional, the problem lies in that it doesn't work properly when you lock the target at certain ranges/scale settings. If you want evidence that the radar cursor is actually not supposed to lag behind the target or not track it at all under these specific conditions, then it unfortunately ends here as I don't have any evidence to suggest that is the case. I haven't been able to find any reference that the cursor is supposed to follow the bugged target in the first place (MLU manuals do not mention this behaviour occurring at all), so that might be worth a look at if the cursor following the target isn't actually intentional.
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The AIM-120 does not guide properly under HOBS conditions. The missile will overcorrect the target and never acquire the target. HOBS shots in the vertical axis cause the missile to make an unusual turn to either the left or the right. 120_hobs_2.trk 120_hobs_3.trk 120_hobs_4.trk 120_hobs_5.trk 120_hobs_2.acmi 120_hobs_3.acmi 120_hobs_4.acmi 120_hobs_5.acmi
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As shown in the 16_rws_expected track, the expected behaviour of the cursor after commanding a SAM lock on a target is that the cursor snaps to target, allowing you to command an STT lock on your target without having to reposition your cursor over the target. The radar screen when in SAM will automatically reduce radar scale when the locked target comes within a certain range, however, this transition of radar scale causes problems with the aforementioned behaviour of the cursor locking to the locked target. When a SAM lock is commanded on a target that is near or within the range where the radar scale will automatically scale down, the cursor will either not lock to the target at all, or lag behind. This lag means you can no longer TMS UP to command an STT lock on target without repositioning the cursor. In some circumstances, especially in closer ranges, the cursor might not lock onto the target on the radar cursor at all. This behaviour gets more apparent the closer the target is. 16_rws_expected.trk 16_rws_snap_1.trk 16_rws_snap_2.trk
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Certain assets from the WW2 asset pack are visible in the encyclopaedia without actually owning the asset pack. These entries are selectable and cause a black screen when selected. The following list contains all the assets I have found to have this issue, this might not be an exhaustive list. Vehicles V-1 Launch ramp SL Flakscheinwerfer 37 Mashchinensatz 33 Gen Weapons V-1 null
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already reported Make Static Trains a Radar Trackable Object
Default774 replied to Default774's topic in DCS Core Wish List
The train was manually placed in the mission editor -
fixed AI F-117 has no damage model
Default774 posted a topic in Aircraft AI Bugs (Non-Combined Arms)
The AI F-117 has no damage model and is invincible. f117.trk f117.acmi -
The HQ7 is almost completely incapable of hitting targets at the moment. They get defeated by flying straight and level at a constant speed. All AI set to maximum skill hq7_crotale_single.acmi hq7_crotale.acmi hq7_Crotale_single.trk hq7_Crotale.trk
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The C802AK AShM will guide onto, and kill, helicopters when set on small RCS. This works in all submodes, DIR, COO and LOS. Seeing as the C802 is an anti ship missile, I dont think this is intentional behaviour. I have not been able to get it to guide onto fixed wing aircraft yet, but I imagine it may be possible. c802AK_helicopter.acmi c802AK_helicopter.trk
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The patch notes list the following for the F-16: Fixed: AIM-120 AMRAAM would still receive telemetry even if radar is off. After testing the patch this does not seem the case, and behaviour is the same as pre-patch. Did the fix not make it into the patch/get merged? fcr_off_1.acmi fcr_off_1.trk
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reported RADAR still tracks locked target even if FCR switch turned off
Default774 replied to djacd's topic in Bugs and Problems
I think you are misunderstanding what my track shows. The target in my track is manoeuvring. If you were to perform the same shot in my track and either don't turn the FCR power off, or make the radar lose track normally, the missile will miss. As I mentioned in my earlier post, my target is set to make a turn halfway through the midcourse phase. By the time I am cold to the target the turn hasn't been made yet, so how is my plane supposed to know that the target has made said turn? My radar can't see him, so how does my plane still know his position? If it was simply extrapolating, it would extrapolate the target at it's last known trajectory, which is it going straight. The missile would then get midcourse guidance information which is completely incorrect, and proceed to go active looking for a target that isn't there(the target has made a left turn). The DCS 120 has extremely tight parameters for acquiring a target on INS, even a 10-20kt difference of speed after the missile is on INS means the missile doesn't acquire the target, so it's not coincidentally acquiring it at the edge of the seeker FoV either(you would be able to tell, the DCS AIM-120 snaps like crazy when it acquires a target when on INS). The seeker of the missile doesn't come into the equation at all here, as it hasn't even turned on yet. The DCS aim-120 doesn't have HUSKY/HPRF, so that's not it either. What is actually happening is that when you turn the FCR power off, it doesn't actually drop the track in time. When you lose track normally by for example going out of gimbal limits, it takes exactly 8 seconds before the track is dropped. The FCR switch only drops the track after about 60 seconds. The HUD symbology doesn't update, but none of that matters, as in the backend my plane still has a live track of the targeted aircraft, without actually having any possible way of knowing this. This in practise means that you can fire a missile and have the missile get completely perfect midcourse guidance updates, despite my plane having no possible means to know what the targeted plane is actually doing, the radar is completely powered off after all. Hopefully this explanation is more clear, but it seems the issue is already reported/fixed internally. I can attach more tracks later if it's still needed.- 7 replies
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- fcr off
- tracks target
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(and 1 more)
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