Coordination with other ATC Units

8.1 Coordination with radar units

Sector Westbound Eastbound Phraseology
Scottish Control
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Scottish Control is therefore to release aircraft to meet that deadline accordingly.
A coordination message should be sent to Scottish around 5 Minutes prior to reaching the exitpoint quoting Level, Speed, ETA for the point and destination.
ATC: "BAW27C, reaching GOMUP contact Scottish Control on 127.275 Megahertz."
Pilot: "Reaching GOMUP Scottish on 127.275 Megahertz, BAW27C."
EGPX_WS_CTR
127.275 MHz
ATSIX, BALIX, ERAKA, GOMUP+NOTA when Shannon offline
Shannon Control
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Shannon Control is therefore to release aircraft to meet that deadline accordingly.
This means for most Ireland departures that they need to contact Shanwick after obtaining their IFR clearance well before takeoff.
A coordination message should be sent to Shannon around 5 Minutes prior to reaching  the exitpoint quoting Level, Speed, ETA for the point and destination.
ATC: "BAW27C, reaching MALOT contact Shannon Control on 131.150 Megahertz."
Pilot: "Reaching MALOT Shannon on 131.150 Megahertz, BAW27C."
EISN_CTR
131.150 MHz
DOGAL, NEBIN, MALOT, TOBOR, LIMRI, ADARA, DINIM+ NOTA+SOTA
London Control
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
London Control is therefore to release aircraft to meet that deadline accordingly.
A coordination message should be sent to London around 5 Minutes prior to reaching the exit point quoting Level, Speed, ETA for the point and destination.
ATC: "BAW27C, reaching GAPLI contact London Control on 128.125 Megahertz."
Pilot: "Reaching GAPLI London on 128.125 Megahertz, BAW27C."
EGTT_10_CTR
128.125 MHz
LESLU, GAPLI, TURLU, RATKA+SOTA when Shannon offline
Brest Control
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Brest Control is therefore to release aircraft to meet that deadline accordingly.
A coordination message should be sent to Brest around 5 Minutes prior to reaching  the exitpoint quoting Level, Speed, ETA for the point and destination.
ATC: "BAW27C, reaching ETIKI contact Brest Control on 125.500 Megahertz."
Pilot: "Reaching ETIKI Brest on 125.500 Megahertz, BAW27C."
LFRR_CTR
125.500 MHz
BOTA
Special airway T9, LASNO to BEGAS:
Please note that this airway is oceanic when Brest is offline, therefore aircraft should be contacted and a clearance issued.
Madrid Control
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Madrid Control is therefore to release aircraft to meet that deadline accordingly.
A coordination message should be sent to Madrid around 5 Minutes prior to reaching  the exitpoint quoting Level, Speed, ETA for the point and destination.
ATC: "BAW27C, reaching PASAS contact Madrid Control on 135.700 Megahertz."
Pilot: "Reaching PASAS Madrid on 135.700 Megahertz, BAW27C."
LECM_NW_CTR
135.700 MHz
PASAS, PITAX, BERUX, DIXIS, BEGAS
Montreal Center
A coordination message should be sent to Montreal around 5 Minutes prior to reaching  the exitpoint quoting Level, Speed, ETA for the point and destination.
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Montreal is therefore to release aircraft to meet that deadline accordingly, or obtain the clearance on the pilots behalf.
ATC: "BAW27C, reaching BERUS contact Montreal Centre on 133.220 Megahertz."
Pilot: "Reaching BERUS Montreal on 133.220 Megahertz, BAW27C."
CZUL_DD_CTR
133.220 MHz
MUSVA, KAGLY, KENKI, NALDI, BERUS, TANTI, GRIBS, VIMLA, MIBNO, TAPLU, PEPKI, KENRI, IKMAN, VIBID
Gander Domestic
A coordination message should be sent to Gander around 5 Minutes prior to reaching  the exitpoint quoting Level, Speed, ETA for the point and destination.
Oceanic clearances must be obtained by the latest 30 Minutes prior to entrypoint. 
Gander is therefore to release aircraft to meet that deadline accordingly, or obtain the clearance on the pilots behalf.
ATC: "BAW27C, reaching KOBEV contact Gander Centre on 124.175 Megahertz."
Pilot: "Reaching KOBEV Gander on 124.175 Megahertz, BAW27C."
CZQX_GN_CTR
124.175 MHz
MOATT, PRAWN, PORGY, LOACH, SCROD, OYSTR, CARPE, HECKK, CRONO, DENDU, KOBEV, LOGSU, NOVEP, RONPO, URTAK, VODOR

8.2 Coordination with other oceanic sectors

Sector Coordination
Santa Maria Oceanic
Handoffs to and from Santa Maria should be coordinated on an individual basis as the majority of flights will be on random tracks.
Ideally transfer of communications should occur on the 45th Parallel.
LPPO_OC_CTR
12790 kHz
  Caution: When Santa Maria comes online, Shanwick radio must relinquish the normal frequency and switch to the backup frequency, i.e. 120.35.
New York Oceanic
Handoffs to and from New York should be coordinated on an individual basis as the majority of flights will be on random tracks.
Ideally transfer of communications should occur on the 44th Parallel.
KZWY_E_FSS
122.120 MHz
Reykjavik Control
Handoffs to and from Reykjavik should be coordinated on an individual basis as the majority of flights will be on random tracks.
Ideally transfer of communications should occur on 61°N and/or 30°West
BIRD_CTR
119.700 MHz