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Federal State Unitary Enterprise «State ATM Corporation»
Branch «North East Air Navigation»
AIDC Interaction between Magadan ACC and Anchorage ARTCC
AIDCHistorical Background, Current State of Things
According to the intentions announced by FSUE “State ATM Corporation” atCPWG/13 meeting the branch “North East Air Navigation” has arranged workon the voiceless interaction between Magadan ACC and Anchorage ARTCC onAIDC protocol: The equipment project developed in 2017; The hardware facilities for AIDC messaging delivered, installed, adjusted and
started up; The automated Alpha system software updated; The software and equipment bed tests run locally; The local tests of the automated ATC system “Alpha” carried out at ATC
working places in online mode.
Equipment Project
AIDC Server
AIDCHistorical Background, Current State of Things
The Memorandum of Understanding for operational testing between Magadan ACCand Anchorage ARTCC signed.
In accordance with the MOU we have been conducting the operational testing since July 26, 2018.
The draft LOA between Magadan ACC and Anchorage ARTCC which provides for thecoordination procedures on AIDC protocol is prepared and agreed upon.
The normal mode of operation of the voiceless interaction between Magadan ACC and Anchorage ARTCC on AIDC protocol is planned to be started in September 2019.
The message exchange results as of May 01, 2019 are the following:Anchorage → Magadan – 98,06%Magadan → Anchorage – 98,56 %
AIDCThe Structure of LRM Error Messages Received from Anchorage ARTCC
Number of LRMs PAZAZQZX to UHMMZQZA LRM type
Number of LRMs PAZNZQZX to UHMMZQZA LRM type
1 LRM-RMK/RMK/23/14/?430 INVALID TIME DESIGNATOR 2 LRM-RMK/6/7/INVALID ACID
1 LRM-RMK/RMK/10/54/EQP DE2FGHIJ5J6M1M2P2RWXYZ/LB1D1 ?FORMAT, ILLEGAL HARACTER?2
LRM-RMK/19/16/INVALID DESTINATION AERODROME
2 (LRM) 2 LRM-RMK/25/14/INVALID BOUNDARY POINT DESIGNATOR
2 LRM-RMK/RMK/59/15/ MESSAGE NOT APPLICABLE TO ZAN OAC 4 LRM-RMK/52/0/MORE THAN ONE FIELD MISSING
3 LRM-RMK/7/7/DUPLICATE ACID 6 LRM-RMK/7/7/DUPLICATE ACID
3 LRM-RMK/RMK/54/../ …. SYNTAX ERROR IN FIELD .. 8 LRM-RMK/13/9/INVALID AIRCRAFT MODEL
4 LRM-RMK/RMK/51/*/ MISSING FIELD 10 LRM-RMK/RMK/14/9/*/J INVALID WAKE TURBULENCE CATEGORY (!WTC!)
7 LRM-RMK/RMK/00/61 INVALID CRC 11 (LRM)
7 LRM-RMK/65/INVALID MESSAGE SEQUENCE 12 LRM-RMK/58/0/MISSING PARENTHESIS
10 LRM-RMK/RMK/10/48/OTH ?R FILED IN FIELD 10A, NO *** DATA IN FIELD 18? 19 LRM-RMK/62/UNDEFINED ERROR
11 LRM-RMK/62/UNDEFINED ERROR 23 LRM-RMK/RMK/00/61 INVALID CRC
11 LRM-RMK/RMK/28/15/... INVALID NAVAID FIX 25 LRM-RMK/RMK/57/ ?INVALID MESSAGE?
12 LRM-RMK/RMK/40/15/* INVALID ROUTE ELEMENT DESIGNATOR 93 LRM-RMK/27/22/INVALID LAT/LON DESIGNATOR
16 LRM-RMK/RMK/10/15/EQP SDE3FGHIJJ3J4J5RWXYZ/LB1 ?INVALID EQUIP DESIGNATOR? 902 LRM-RMK/65/INVALID MESSAGE SEQUENCE
29 LRM-RMK/RMK/18/48/OTH PERM/DC18RU ?INVALID DESIGNATOR? 1119 TOTAL31 LRM-RMK/RMK/43/15/* INVALID SIGNIFICANT POINT DESIGNATOR
36 LRM-RMK/RMK/18/48/OTH PBN/…... ?INVALID PBN? Sending Station Receiving Station message amount percentage
36 LRM-RMK/RMK/01/00/UHMMZQZA ?INVALID SENDING UNIT? PAZAZQZX UHMMZQZA 71837
46 LRM-RMK/6/7/INVALID ACID LRMs 1236 1,72%
53 LRM-RMK/RMK/31/14//EM08 INVALID SUPPLEMENTARY CROSSING DATA
76 LRM-RMK/RMK/14/9/*/J INVALID WAKE TURBULENCE CATEGORY (!WTC!) PAZNZQZX UHMMZQZA 49523
200 LRM-RMK/RMK/57/ ?INVALID MESSAGE? LRMs 1119 2,26%
268 LRM-RMK/RMK/10/7/* INVALID SSR CODE
371 LRM-RMK/RMK/18/(48, 54)/OTH ….?FORMAT ERROR? PAZAZQZX + PAZNZQZX UHMMZQZA 121360 total percentage
1236 TOTAL LRMs 2355 1,94%
AIDCThe Structure of LRM Error Messages Received from Magadan ACC
Number of LRMs UHMMZQZA to
PAZAZQZX LRM type
Number of LRMs UHMMZQZA to
PAZNZQZX LRM type1 LRM-RMK/RMK/01/00/UHMMZQZA ?INVALID SENDING UNIT? 1 LRM-RMK/58/0/MISSING PARENTHESIS
1LRM-RMK/RMK/31/14//EM08 INVALID SUPPLEMENTARY CROSSING DATA 9 LRM-RMK/RMK/00/61 INVALID CRC
4 LRM-RMK/RMK/57/ ?INVALID MESSAGE? 10 LRM-RMK/25/14/INVALID BOUNDARY POINT DESIGNATOR
4 LRM-RMK/25/14/INVALID BOUNDARY POINT DESIGNATOR 61 LRM-RMK/62/UNDEFINED ERROR
9 LRM-RMK/19/16/INVALID DESTINATION AERODROME 85 LRM-RMK/13/9/INVALID AIRCRAFT MODEL
12 LRM-RMK/RMK/00/61 INVALID CRC 101 LRM-RMK/7/7/DUPLICATE ACID
18 LRM-RMK/13/9/INVALID AIRCRAFT MODEL 228 LRM-RMK/6/7/INVALID ACID
25 LRM-RMK/RMK/18/(48, 54)/OTH ….?FORMAT ERROR? 495 TOTAL
27 LRM-RMK/RMK/10/7/* INVALID SSR CODE
88 LRM-RMK/7/7/DUPLICATE ACIDSending Station Receiving Station message
amount percentage
99 LRM-RMK/6/7/INVALID ACID UHMMZQZA PAZAZQZX 51689
282 LRM-RMK/62/UNDEFINED ERROR LRMs 570 1,10%
570 TOTALUHMMZQZA PAZNZQZX 22147
LRMs 495 2,24%
UHMMZQZA PAZAZQZX + PAZNZQZX 73836 total percentage
LRMs 1065 1,44%
AIDC Data on«Alpha» ATC System Situational Display (Magadan)
Implementation Plan
In the course of the operational testing we are identifying thepossible errors and are eliminating their causes. The software is quicklymodified in Magadan ACC when necessary. These measures havealready helped decrease significantly the number of errors during theAIDC coordination.
In fact the operational testing of the voiceless AIDC interaction hasalready allowed to reduce the air traffic coordination workload for ATC.The AIDC implementation will allow enhancing the airspace capacity ofthe Magadan ACC sectors.
THANK YOU FOR YOUR ATTENTION!