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Forum: Tech Log

16th Dec 2007, 13:22

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Was that a Collins AINS70 by chance?

Was that a Collins AINS70 by chance?

Forum: Tech Log

15th Dec 2007, 12:06

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Thanks Dan and Guppy. I'm going take your word...

Thanks Dan and Guppy. I'm going take your word for this GPS/IRS updating until I learn something new, which hopefully at this old age I can still do. Very interesting and Thanks Again!

Forum: Tech Log

14th Dec 2007, 21:39

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Perhaps, but it is not updating the LTN92. It may...

Perhaps, but it is not updating the LTN92. It may be updating the position that is derived and displayed but it does not update the IRS.

Forum: Tech Log

14th Dec 2007, 12:26

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Your key words here are "update the IRS...

Your key words here are "update the IRS position". It does not up date the IRS. I'm amazed at how many people hold this misconception. The GPS signal is used to upgrade the FMC position, not modify...

Forum: Tech Log

11th Dec 2007, 16:33

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Well after looking up as much as possible...

Well after looking up as much as possible regarding the LTN-101E I can only see reference to "sole means of navigation with GPS accuracy". Typical double speak so just what is happening here that is...

Forum: Tech Log

11th Dec 2007, 11:37

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

I have to call you on that one. There is no...

I have to call you on that one. There is no IRS/IRU/ADIRU that updates from any external source...in any civil aircraft, be it Honeywell, Litton, etc. The FMC (FMS) will up date from GPS/DME/LOC/VOR....

Forum: Tech Log

10th Dec 2007, 21:44

Replies: 57

Could a handheld GPS interfere with the INS system?

Views: 8,913

Posted By Spooky 2

Small point of order here but GPS nor any ground...

Small point of order here but GPS nor any ground based nav aids actually update INS. The INS, IRS ADIRU etc. only interface with the respective FMS and do not receive any updates directly from any...

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