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Old 05-26-2019, 02:33 AM   #791
Vitormouraa
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Originally Posted by Kev2go View Post
so our F16 will have GPS module, but not Embedded with INS.





when did EGI make its way onto USAF fleets? HAF manual revision shows they had EGI panel as early as 2003, USAF didn't upgrade to EGI until post 2007?
Wow, I love this pic for some reason.

Looking pretty good.
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Old 05-26-2019, 03:17 AM   #792
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the Hornet NATOPS manual itself references EGI implementation which on the list of aircraft changes, came before upgrades like AMPCD, JHMCS or Link 16.

Earlier lot hornets without GPS got EGI first, as an mid-life update. It was never built into the legacy jet from the factory. Later lot hornets like ours that had GPS + INS and never got updated with EGI because GPS + INS works just fine. While most of the fleet got the tactical updates.

That's usually how new things get implemented older jets get them first because they're due for overhauls first. The lot 20 hornet we have is correct for that time period.
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Old 05-26-2019, 04:30 AM   #793
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Earlier lot hornets without GPS got EGI first, as an mid-life update. It was never built into the legacy jet from the factory. Later lot hornets like ours that had GPS + INS and never got updated with EGI because GPS + INS works just fine. While most of the fleet got the tactical updates.

That's usually how new things get implemented older jets get them first because they're due for overhauls first. The lot 20 hornet we have is correct for that time period.
This's right.Embedded Global Positioning System /INS (EGI),(R)161925 thru 163175。No EGI was installed on the production model.
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Old 05-26-2019, 03:30 PM   #794
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Originally Posted by Wizard_03 View Post
Earlier lot hornets without GPS got EGI first, as an mid-life update. It was never built into the legacy jet from the factory. Later lot hornets like ours that had GPS + INS and never got updated with EGI because GPS + INS works just fine. While most of the fleet got the tactical updates.

That's usually how new things get implemented older jets get them first because they're due for overhauls first. The lot 20 hornet we have is correct for that time period.


AFAIK only the marines used those F/A18A's ( deduced based on buno #'s) upgraded with EGI which along with additional upgrades different from anything applied from USN F18C resulted in the USMC F/A18A++, however without the other upgrades making it the A++ a early lot F/A18A with EGI alone would otherwise be very redundant.
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Last edited by Kev2go; 05-26-2019 at 03:38 PM.
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Old 05-26-2019, 07:17 PM   #795
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AFAIK only the marines used those F/A18A's ( deduced based on buno #'s) upgraded with EGI which along with additional upgrades different from anything applied from USN F18C resulted in the USMC F/A18A++, however without the other upgrades making it the A++ a early lot F/A18A with EGI alone would otherwise be very redundant.

So in this case having the newer jet means we don't get EGI because GPS + INS works well enough, however because capability upgrades like the ability to employ 9x in the HOBS envelope and tactical data links are much higher priority, most lot hornets including newer airframes got them.

I'm sure the viper community is the same. Just because a newer system comes along doesn't mean everyone gets it. In fact newer aircraft are gonna be the lowest priority for non-critical performance enhancement upgrades such as a fully embedded GPS + INS verses what the aircraft already came with; that's considered sufficient.

Not a hard and fast rule either though. An aircraft may have an accident and have to go in for depot work, where they may or may not decide to throw some improvements in, while its tore apart, or something along those lines. For example say in the legacy hornet one of the displays crapped out. they would probably take the opportunity to swap them with the color ones from the super hornet if the OFP state permitted it and they had them on hand, rather then the outdated green ones.
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