F15 Eagles and Mode-S

[EGNXR]

This weeks been a busy week for F15's. I've had 20 so far and after searching the web and some eductated guesswork this is what I have come up with can anyone confirm any of the following please. They appear to be allocated in blocks by Sqn not serial No.

AE1CC4 84-0027, AE1CC5 84-0044, AE1CCF 86-0167, AE1CD0 86-0171, AE1CD1 86-0172
AE1CD2 86-0174, AE1CD3 86-0175, AE1CD5 86-0178, AE1CD6 86-0182, AE179F 91-0306 AE17A3 91-0315, AE17A9 91-0326, AE17AA 91-0331, AE1790 91-0605, AE1792 96-0202 AE1794 96-0205, AE1799 97-0221, AE179A 98-0131, AE179C 98-0133 + 053977 unknown SHARK 11 492FS.

Hopefully will get a trip down to the Heath soon so I will see what that turns up. Any help in the meanwhile greatly recieved

Cheers John

[malcdee2001]

Are the above confirmed as EGNX has listed. I am getting lots of US Mil with no serial numbers, just the Mode S Codes. Is there a list anywhere.

Thanks Malcdee

[malc41]

Quote from Brian

>>Have you looked up those Mode-S codes on these websites.  It might show >>newer information for those aircrafts.
>>http://www.airframes.org
>>http://www.gatwickaviationsociety.org.uk/modeslookup.asp

Doesn't always show everything but it is a start

[EGNXR]

Are the above confirmed as EGNX has listed. I am getting lots of US Mil with no serial numbers, just the Mode S Codes. Is there a list anywhere.

Thanks Malcdee

Hello Malcdee,

The above list is partially correct. The F-15's are now appearing on GAS but there seems to be a lot of confusion still. The mode-s group on yahoo is quite usefull. Also over the last week or so they seem to have been using a whole differant set of hex codes. I'll post a revised list of what I have shortly.

Cheers John

[malcdee2001]

Thanks John

[EGNXR]

Hello Malcdee,

Here is what I have from Mylog cross checked against these sites

GAS = http://www.gatwickaviationsociety.org.uk/modeslookup.asp
LIB = http://www.libhomeradar.org/databasequery/index.php
AIR = http://www.airframes.org/
MS =  from various postings of logs on Mode_s@yahoogroups

AE1789 00-3000 MS,                   91-0308 LIB
AE178A 91-0306 GAS,AIR,           91-0309 LIB
AE178B ?
AE178C 91-0315 GAS,AIR,LIB
AE178F 01-2001 GAS                   91-0332 LIB
AE1790                                       80-0205 A10A on LIB ?
AE1791 ?
AE1792 00-3003 GAS,AIR             96-0202 LIB
AE1793 91-0317 AIR                     96-0204 LIB
AE1794 ?
AE1795 00-3002 GAS,AIR,LIB
AE1797 91-0310 GAS                   97-0219 LIB
AE1798 91-0314 GAS,AIR             97-0220 LIB
AE1799 01-2000 GAS                   97-0221 LIB
AE179A 91-0603 LIB
AE179B 91-0313 GAS                  98-0132 LIB
AE179C 91-0316 GAS,AIR,LIB
AE179D 91-0318 GAS                  98-0134 LIB
AE179E 91-0320 GAS,AIR,LIB
AE179F ?
AE17A0 ?
AE17A1 91-0331 GAS,AIR
AE17A2 91-0334 GAS
AE17A3 01-2004 GAS,AIR
AE17A9 91-0326 LIB
AE17AA 91-0331 LIB
AE17AC 91-0312 GAS
AE17AD ?
AE17AE 91-0329 GAS                91-0603 LIB
AE17B2 ?
AE17B3 96-0204 GAS,AIR
AE17B5 97-0217 GAS
AE17B6 97-0218 GAS               00-3004 LIB
AE17B9 ?
AE17BE 98-0134 GAS,AIR
AE17BF 98-0135 GAS
AE1C00 ?
AE1C09 ?
AE1CBD 84-0001 GAS
AE1CC1 ?
AE1CC3 84-0019 MS
AE1CC4 84-0019 GAS           84-0027 LIB
AE1CC5 84-0044 LIB
AE1CC6 86-0147 GAS
AE1CC7 86-0154 LIB
AE1CC8 86-0156 LIB
AE1CC9 86-0159 GAS,LIB
AE1CCA 86-0160 GAS,LIB
AE1CCC 86-0164 GAS,AIR,LIB
AE1CCF 86-0167 LIB
AE1CD0 86-0171 GAS,LIB
AE1CD1 86-0172 MS                   86-0174 LIB
AE1CD2 86-0174 GAS                 86-0174 LIB
AE1CD3 86-0175 GAS,AIR,LIB
AE1CD5 86-0178 LIB
AE1CD6 86-0182 LIB

AE2817,AE2863,AE2B43,AE2B5E,AE2C68 + AE2C70 I;ve had on the box with LN callsigns.

Hope this helps I'm sure the truth will out eventually.

Cheers John

[malcdee2001]

Thanks John, all noted.

Malc

[Roadrunner]

Hi all,
Some aircraft have appeared on the same day using one code in the morning and a different one in the afternoon. I have 60 separate codes listed and due to the confusion over which carries what It may be impossible to fully make an accurate tie-up as they may continue with tactical coding as is done by the German Air foce CL60's
Mike

[malc41]

Roadrunner are the codes not hardwired into the avionics?

[Roadrunner]

No it appear not. They are changeable, whether that is from the cockpit or by engineers I dont know. However the fact that they can go up twice in one day with different codes I have to assume it is within the pilots control.

[malc41]

Funny that. Even when you have iff and the pilot has to set a code, there is still another code that the crew do not have access to.

Thought it would have been the same.

Fancy letting aircrew have access to something that they can change!!!

[DaveReid]

Anyone know how many Mode S transponders an F-15 is equipped with ?

[Roadrunner]

This might answer all our questions. Not as we would like but Hey Ho!

http://www.eurocontrol.int/mil/public/standard_page/cns_sur_modes_24bAA.html

Mike

[DaveReid]

Reading between the lines, it could be worse. 

Firstly, the ban on changing codes in mid-flight would suggest that there isn't any provision for the pilot changing the code, i.e. it can only be done by an avionics techie on the ground between missions.  Having said that, if it emerges that the F-15 has dual Mode S transponders, then presumably each could be programmed with a different code and the pilot would be able to select between the two, although again not in flight according to the rules.

Secondly, and more importantly, I think I'm right in saying that there are no recorded instances of the same code being used by more than one aircraft (as opposed to vice versa).  If that turns out to be the case, it's the same setup as with the GAF Challengers, where there appears to be a pool of codes available for use but, once a code has been used it will never be re-used on a different aircraft.

In other words, once you have tied up a code to an airframe, picking up the same code in future will mean the same airframe.

Just a theory, I stand to be corrected.

[tarbat]

It's interesting that Eurocontrol have seen the need to issue this advisory.  This might suggest that there have been cases of ModeS codes being assigned to more than one aircraft at the same time.

I'd be happy if they just assigned a code to all their aircraft.  So many Tornado GR4s have no ModeS capability anyway!!