scxmechanic
Posts: 479
Joined: Sat Dec 25, 1999 10:20 am

Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 12:37 am

Can any of you ATC guys help me with a question.

Looking at the ATC displayed aircraft types show for example B72Q/A or /R or /A or /Q

Basically what does the / other letter signify?

It seems /A is something to do with RVSM restrictions at or below FL 280. That's about all I could make of it.

Any help would be appreciated.
 
BBJII
Posts: 831
Joined: Tue Jul 26, 2005 7:22 pm

RE: Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 12:51 am

You guys in the US use different Saftey Equipment codes to the Rest of the worlds.

A= RVSM limited to FL280
R= VHF ONLY
Q= VHf & HF freq's

Thats what kennedy Centre told me when I asked, as they refused my FPL, because I didn't fill in the A/R/Q field.




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roseflyer
Posts: 9606
Joined: Fri Feb 13, 2004 9:34 am

RE: Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 12:52 am

I don't know what the letters for 727s stand for, but letters following the type of airplane usually refer to what optional safety equipment that the plane has installed in it. This can be anything from navigational aids to emergency equipment. I believe the letters you said have to do with communication.

[Edited 2005-12-03 16:55:37]
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Goldenshield
Posts: 5015
Joined: Sun Jan 14, 2001 3:45 pm

RE: Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 1:04 am

From the FAA:

NO DME
/X No transponder
/T Transponder with no Mode C
/U Transponder with Mode C

DME
/D No transponder
/B Transponder with no Mode C
/A Transponder with Mode C

TACAN ONLY
/M No transponder
/N Transponder with no Mode C
/P Transponder with Mode C

AREA NAVIGATION (RNAV)
/Y LORAN, VOR/DME, or INS with no transponder
/C LORAN, VOR/DME, or INS, transponder with no Mode C
/I LORAN, VOR/DME, or INS, transponder with Mode C

ADVANCED RNAV WITH TRANSPONDER AND MODE C (If an aircraft is unable to operate with a transponder and/or Mode C, it will revert to the appropriate code listed above under Area Navigation.)
/E Flight Management System (FMS) with DME/DME and IRU position updating
/F Flight Management System (FMS) with DME/DME position updating
/G Global Navigation Satellite System (GNSS), including GPS or WAAS, with enroute and terminal capability.
/R Required Navigational Performance. The aircraft meets the RNP type prescribed for the route segment(s), route(s) and/or area concerned.

Reduced Vertical Separation Minimum (RVSM). Prior to conducting RVSM operations within the U.S., the operator must obtain authorization from the FAA or from the responsible authority, as appropriate.
/J /E with RVSM
/K /F with RVSM
/L /G with RVSM
/Q /R with RVSM
/W /A with RVSM
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scxmechanic
Posts: 479
Joined: Sat Dec 25, 1999 10:20 am

RE: Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 1:45 am

Thanks guys! Any links you can pass along as well?
 
Goldenshield
Posts: 5015
Joined: Sun Jan 14, 2001 3:45 pm

RE: Any ATC Specialist Help With A Question?

Sun Dec 04, 2005 1:53 am

Quoting SCXmechanic (Reply 4):
Any links you can pass along as well?

Here is the document in its entirety:

http://www.faa.gov/ATS/ato/150_docs/Equip_Suffix_Notice_11May05.doc

[Edited 2005-12-03 17:58:39]
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