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Posted

Sometimes when I lock a target up in the HAD and fire in PB EOM, the missile flies off but then  goes stupid and crashes who knows where.  Any idea why?  Am I locking up a ghost return in the HAD for a target  that doesn't exist anymore?

See the shot at 11:30.  I had PGM2 before I locked and fired.

 

 

v6,

boNes

"Also, I would prefer a back seater over the extra gas any day. I would have 80 pounds of flesh to eat and a pair of glasses to start a fire." --F/A-18 Hornet pilot

Posted

The SAM system probably did stop emitting between the time you fired and when the missile arrived in the general area of the SAM. SAM's do not continuously emit anymore as before. 

This is why it is important to keep the SAM emitting while you have a HARM in the air.

Posted
3 hours ago, buceador said:

You seem to have lost the lock just before your fired?

Maybe, but I don't think so.  I've noticed that when I fire, the contact disappears from the display and the HARM still hits.  I think it's just the HAD resetting itself or something.

How to keep the SAM emitting unless I tease it some more?  Then again, if he shut down, then I did SUPPRESS him as I should be in SEAD rather than DESTROY him as I should be in DEAD...so I guess mission accomplished...?

v6,

boNes

  • Like 2

"Also, I would prefer a back seater over the extra gas any day. I would have 80 pounds of flesh to eat and a pair of glasses to start a fire." --F/A-18 Hornet pilot

Posted

Indeed, that's the difference between SEAD and DEAD.  As long as their system is down long enough for the strikers to do their job then it's a win for you.  There are even stories of just a 'Magnum' call being enough to supress the radar operators, without even firing the HARM.  Great value for money right there.

Of course in DCS things are a little different and success criteria may be defined by different parameters depending on the mission creator.

  • Like 1

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Posted

 

Between the SAM shutting down, and/or an SA-15 being parked next to it, HARM shots can be pretty hit or miss. Either way, HARM's are good decoys when you go in with other weapons. They'll either kill the site, or let you go in for a popup attack.

IMHO, ED needs to tweak the SAM shut-down logic. Going cold is perfectly reasonable.... but going cold instantly when a HARM comes off the rail, not so much.

-Ryan

Posted

Something to note, that it isn't recommended to fly straight at the emitter, I was told to launch 30 degs off of it to increase the probability of a kill/suppression. I believe this also helps to keep you in their rings so that they keep you locked up. 

 

Chuck's guide just notes to not fly directly at it, but doesn't mention the 30 deg. 

chucksguides.com/aircraft/dcs/f-16cm/#[436,"XYZ",-8e-06,540,1]

www.tomhedlund.com

 

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Posted

30 degrees off would hurt the missile's velocity a bit and make it easier to intercept or miss, I would think. I point my nose on target to fire, but immediately crank or beam after.

  • Like 1
Posted (edited)
On 10/12/2024 at 3:45 AM, t_hedlund said:

Something to note, that it isn't recommended to fly straight at the emitter, I was told to launch 30 degs off of it to increase the probability of a kill/suppression. I believe this also helps to keep you in their rings so that they keep you locked up. 

 

Chuck's guide just notes to not fly directly at it, but doesn't mention the 30 deg. 

chucksguides.com/aircraft/dcs/f-16cm/#[436,"XYZ",-8e-06,540,1]

The HTS locates emitters through triangulation. For triangulation to work effectivley the HTS builds a dataset to finetune different measurements. That is the reason to maintain offset of more than 30 degrees. More than 60 degrees will be out of limits for the HTS (forum LINK). Lesser offsets will take more time to get a PGM2 solution needed?/preferred for POS/EOM shots. 

But for AGM-88 kinematic purposes a launch direct to threat is preferable. Even a 30 degree offset will need a massive amount of energy to correct. Energy that would be otherwise used to maximize the velocity of the missile in the terminal phase. 

Edited by Sinclair_76
  • Like 2
Posted

As long as you're in the envelope with a PGM2, you can fire a HARM over your shoulder. The system is *designed* to work this way in EOM.

When you really need to wail on something, get a steerpoint on it and fire in POS/PB mode.

-Ryan

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