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No guidance for ATGM when locked on laser target
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Description

V : 1.72.142164
Appears to be fixed on Dev Build 1.73.142227
Thank you !

I have an issue with missiles and rockets that are able to lock on laser target like the Skalpel or the DAGR (haven't test for OPFOR or independant ordnance bu must be the same issue)
They have IR and laser guidance
https://community.bistudio.com/wiki/Arma_3_Sensors#Precision_guided_munitions

When I equip these ordnance on a Wipeout in editor, I'm able to lock on laser target but once I fire the missile or rocket (I waited for the complete diamond lock of course), it just goes straight without turning to the target, no guidance
Just like it would do if I fired it without any lock

With the UAV, the issue is similar :
If you fire your ATGM without laser lock, the missile will maneuver and hit the crosshair center as intended.
If you had a laser lock, the missile will go straight (relative the UAV current attitude) and miss the target.

GBU bombs aren't affected by this issue and hit the laser target as intended

Details

Severity
Minor
Resolution
Open
Reproducibility
Always
Operating System
Windows 7
Category
Explosives
Steps To Reproduce
  • Start the editor
  • Place a Wipeout CAS plane equipped with Scalpel (or Skalpel) ATGM and/or DAGR
  • Designate a point on the map with a laser (can be done with the targeting camera of the place, with a unmanned laser designator turret on the ground, etc...)
  • While flying the Wipeout, select the ATGM or the DAGR
  • Cycle target to lock on the laser target
  • Obtain a full lock (diamond)
  • Fire the missile or the rocket
Additional Information

Video footage

I choose "Minor" severity because the IR lock guidance for those ordnance is fine but this could be considered as "Major" since you can only hit IR light sources then

Might be related :

Laser Guided Artillery screws each time
https://feedback.bistudio.com/T124956

Event Timeline

ALIEN109 created this task.Jun 26 2017, 6:08 PM
  • DAGR HE are freestyle missiles. They do not lock onto a laser target.
  • The Scalpel ATGM only locks onto ground vehicles. Not laser targets.
  • GBU is the only weapon that locks onto Laser Targets.

@definitY not completly correct. Scalpel is laserguided too to give the Drone the possibility of a unguided attack.

ALIEN109 added a comment.EditedJun 27 2017, 12:32 PM

DAGR HE are freestyle missiles. They do not lock onto a laser target.

You can lock on IR target with DAGR and the rocket will guide to it, so it's at least IR guided, not just dumb fired

According to this, they are laser guided too
https://community.bistudio.com/wiki/Arma_3_Sensors#Precision_guided_munitions

Also, why would I be able to lock on laser target with ATGM or DAGR if they weren't laser guided in first place ?
That makes no sense

DAGR HE are freestyle missiles.

Also, DAGR are IR guided. What would the G stands for otherwise...(Direct Attack Guided Rocket)
DAR are unguided/DAGR are guided

The Scalpel ATGM only locks onto ground vehicles.

Not 100% exact, it locks on IR target. You won't be able to lock on a vehicle with cold engine (set fuel to 0 and you can test it)

You can try it yourself and you'll obtain these results :

  • DAR : only dumb fire (no lock possible on IR nor laser)
  • DARGR : lock on IR and laser (IR works fine but there is an issue with laser guidance)
  • Scalpel : lock on IR and laser (IR works fine but there is an issue with laser guidance)
  • Macer : lock on IR (guidance works correctly, no lock possible on laser)
  • GBU : lock on laser (guidance works correctly, no lock possible on IR)
ALIEN109 edited Additional Information. (Show Details)Jun 27 2017, 12:33 PM

Check latest dev build there is mentioned your problem

My mistake. I'm only aware of the armament provided in KOTH servers so that's what I thought you were referring to. Didn't know it came with other weapon systems so thanks for the info!

Check latest dev build there is mentioned your problem

Thanks for the heads up
Is it what you are talking about ? (Is it "Dev Build" you mentionned ?)
https://forums.bistudio.com/forums/topic/140837-development-branch-changelog/?do=findComment&comment=3206253

ENGINE
Fixed: Drones - Guided missiles and bombs from drones would not follow locked Laser targets (https://forums.bistudio.com/forums/topic/143930-general-discussion-dev-branch/?do=findComment&comment=3205668)

I hope it's the same issue (here it's specified "Drones", we will see)

If you are referring to something else, could you please give me the link, I'm new and not used to the forums yet :)

ALIEN109 added a comment.EditedJun 27 2017, 7:47 PM

Alright, appears to be fixed on Dev Build 1.73.142227

ALIEN109 updated the task description. (Show Details)Jun 27 2017, 7:47 PM

Thats what i meant. Change the beta Tab in steam to dev build and test it

ALIEN109 updated the task description. (Show Details)Jun 27 2017, 8:54 PM
razazel claimed this task.Jun 28 2017, 9:42 AM
razazel changed the task status from New to Feedback.
razazel added a subscriber: razazel.

As you have already noticed, this issue should be fixed in the Dev branch, please let me know whether the fixed worked.

As you have already noticed, this issue should be fixed in the Dev branch, please let me know whether the fixed worked.

Yes, I tested it yesterday on Dev Build and it was fixed (for CAS planes and UAV)