LOA Langen (EDGG) - Bremen (EDWW)

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General

Purpose

The purpose of this Letter of Agreement is to define the coordination procedures to be applied between Bremen FIR and Langen FIR when providing ATS to air traffic (IFR/VFR) on the VATSIM network. All information and procedures described in this Letter of Agreement shall not be used for real world purposes.

Operational Status

All operational significant information and procedures contained in this Letter of Agreement shall be distributed to all concerned controllers by appropriate means. This Letter of Agreement itself constitutes public information.

Validity

This Letter of Agreement becomes effective on 21 APRIL 2021. Updates may be applied continuously by agreement of the NAV Departments and will be published in the respective forums.

Areas of Responsibility

The lateral and vertical limits of the respective areas of responsibility are as follows:

Bremen FIR

Lateral limits: Bremen FIR as described in AIP Germany
Vertical limits: GND – FL660

Langen FIR

Lateral limits: Langen FIR as described in AIP Germany
Vertical limits: GND – FL660

Sectorization

Any Rhein Radar or Maastricht stations can only be staffed if the sector below is covered by another Langen/Bremen Radar station.

Bremen FIR

The authorative sectorization is implemented in GNG. Overview of the RG Bremen Sectors is published here.

Langen FIR

The authorative sectorization is implemented in GNG. Overview of the RG Frankfurt Sectors is published here.

Delegation of the Responsibility for the Provision of ATS

General

EDEGA Line

Release Line for Outbounds Frankfurt via NATSU.

Coordinates
N051.05.04.000 E008.48.46.000 - N050.55.31.000 E009.07.39.000 - N050.59.11.000 E009.15.10.000

Procedures for Coordination

Definitions

A release is an authorization for the accepting ATS unit to climb, descend and/or turn (by no more than 45°) a specific aircraft before the transfer of control point. The transferring ATS unit remains responsible for separation within its Area of Responsibility unless otherwise agreed. Wherever VATSIM callsigns are used to describe the terms of a certain procedure, this procedure is also applicable for all higher stations that take over the responsibilities of said station. If for example Approach procedures are also applicable for the respective Center station fulfilling the duties of this APP station.

General Conditions

Coordination of flights shall take place via the agreed coordination points (COP). Coordinated flights shall be handed off via a valid COP. Any deviation shall be coordinated verbally, by text or by EuroScope inter-sector coordination. Traffic shall be handed off at the levels, defined in the regulations below. If a specified level restriction cannot be met due to a lower RFL, traffic shall be handed off at RFL, if this does not cause a conflict with any other traffic. Otherwise traffic shall be coordinated. If a traffic situation is not covered herein, individual coordination between the concerned sectors shall be made. After Transfer of communications, traffic is NOT released for climb, descent or turns until Transfer of control or otherwise specified in this Letter of Agreement.  

Langen ACC to Bremen ACC

Departure COP Routing Level Special Conditions FROM TO
EDDG OSN L980 FL150 HMM EMS
EDDK PELUN Y867 FL210 reach FL210 minimum
15nm prior WRB
PADH DST
Y870 FL210 reach FL210 minimum
10nm prior ABSUL
PADH DST
EDDL ESADU P12, Z858 FL210 LVL at ESADU PADH DST
EDLP WRB SID max. FL130 at border PADL HRZ
EDLW ESADU P12, Z858 FL190 at LVL PADH DST
EDFQ WRB WRB SID FL70 GIN HRZ
ETHF FTZ FL80 GIN HRZ
Destination COP Routing Level Special Conditions FROM TO
EDLP ELNAT Z190 FL140 HEF HRZ
EDVK PELUN Y867 FL100 PADL HRZ
ESADU P12 FL100 PADL HRZ
WRB WRB SID FL100 out of 5000 DEP EDLP PADL HRZ
XAROL N850, MARUN DCT XAROL FL100 LVL at XAROL GIN HRZ
ELNAT P605, Y220, Z190 FL100 LVL at ELNAT HEF HRZ

Bremen ACC to Langen ACC

Departure COP Routing Level Special Conditions FROM TO
EDVK WRB N850, P12, Q230, Z190 FL70 HRZ PADL
ELNAT SID FL90 HRZ HEF
ESADU Z858 FL90 HRZ PADL
EMBAD T152 FL90 HRZ HEF
XAROL Y811 FL90 HRZ GIN
N850 FL90 HRZ GIN
EDLP XAROL N850 FL150 HRZ GIN
EMBAD T152 FL150 HRZ HEF
ELNAT Z190 FL150 HRZ HEF
Destination COP Routing Level Special Conditions FROM TO
EDLW ESADU Z858 FL160 DST PADH
EDDK ESADU T858 FL200 DST PADH
EDDG, EDLI OSN M170, L980, Y348 FL70 EMS HMM
EHTW, EHLE OSN L980 FL200 EMS HMM
EDLW OSN M170, Z718 FL160 out of FL200 EMS HMM
EDLP WRB FL80 HRZ PADL
EDDL DENOL T851 FL250 HRZ PADH
EDDK PODER Z189 FL250 HRZ PADH
EDDL, EDDK,
EDL*, EDK*
OSN M170, Z718 FL240 EMS HMM
EDDL, EDLE RORUS T476 FL200 EMS shall separate traffic
via RORUS and OSN
EMS HMM
EDFQ XAROL N850 FL90 HRZ GIN
EDDR, EDFH,
EDFM, EDGS,
EDRY, ETAR,
ETAD, EDFZ,
EDRV
XAROL N850 FL230 DST GIN
ETFH FTZ FL70 HRZ HEF
EDDF ROBAR T152, Z190 FL190 DST HEF

Maastricht UAC - Langen ACC

Destination COP Routing Level Special Conditions FROM TO
EDDF RIMET T157 FL250 SOL GED
EDDL, EDDK,
EDL*, EDK*
OSN M170, Z718 FL250 MUN HMM
Departure COP Routing Level Special Conditions FROM TO
EDDF, EDFE,
ETOU
NATSU Y150 FL240 After passing EDEGA-Line released for climb to FL310 by EDUU GIN SOL

Maastricht UAC to Bremen ACC

Destination COP Routing Level Special Conditions FROM TO
EDDH, EDHI,
EDHL
BASUM FL250 MUN
ALR
EDDV, EDVE,
ETNW, EDDW
OSN FL250 MUN
EMS

Karlsruhe UAC - Maastricht UAC

Departure COP Routing Level Special Conditions FROM TO
EDDP, EDAC KEMAD L602, DCT max. FL340 FUL SOL
EDDV, ETNW EDEGA UN850 max. FL270 between TOLTA and WRB
flights may be cleared DCT
BOMBI
SOL FFM
ANANO Z85, UL126 max. FL270 between KEMAD and
WRB flights may be
cleared DCT ANANO
SOL FUL
EDVW KEMAD P605 max. FL290 SOL FUL
EDEGA UN850 max. FL310 SOL FFM
Destination COP Routing Level Special Conditions FROM TO
EDDV, EDVE,
ETHB, ETHS,
ETNW
KEMAD UN851, DCT max. FL280 full released SOL FUL
EDDW, EDWE,
EDWI, ETND
KEMAD UN851, DCT max. FL320 SOL FUL
EDDT, EDDB KEMAD UN851, DCT max. FL340 SOL FUL
EHEH, EHBD,
EHBK, EHTE,
EHLE
KEMAD L602, DCT max. FL340 SOL FUL
LFJL, LFST,
LFGA
EDEGA UN850, DCT max. FL290 Further decend only
south of EDEGA-Line
SOL FFM
ELLX EDEGA UN850, DCT max. FL270 SOL FFM
EDSB EDEGA UN850, DCT max. FL310 SOL FFM
EDDS, EDTY,
EDTM, EDTL
ANANO UL126, DCT max. LF350 SOL FUL
KEMAD P605, DCT SOL FUL
EDDR, EDRZ,
EDFM, EDFV,
EDRY, ETOR,
EDFB
KEMAD
EDEGA
ANANO
not accepted by EDUU SOL --
EDQG KEMAD UN851, P605, DCT max. FL290 SOL FUL
ANANO UL126 SOL FUL
EDMA, EDMO,
EDJA, EDTY
EDEGA UN850, DCT max. FL370 SOL FFM

Maastricht UAC - Maastricht UAC

Destination COP Routing Level Special Conditions FROM TO
EDDL, EDDK BASUM M170 FL320 HOL MUN

VFR flights from Bremen FIR to Langen FIR

For controlled VFR flights and VFR at night flights above 2500 feet AGL coordination, transfer of control and transfer of communication shall take place as for IFR flights. Uncontrolled VFR flights shall be transferred to the appropriate sector if in radio contact. If online, Langen Information (EDGG_F_CTR) on 128.950 shall be the primary sector for uncontrolled VFR flights.

VFR flights from Langen FIR to Bremen FIR

For controlled VFR flights and VFR at night flights above 2500 feet AGL coordination, transfer of control and transfer of communication shall take place as for IFR flights. Uncontrolled VFR flights shall be transferred to the appropriate sector if in radio contact. If online, Langen Information (EDWW_I_CTR) on 119.825 shall be the primary sector for uncontrolled VFR flights.  

Special Procedures

EDUU/EDYY may clear directs to the following Waypoints without further coordination.
Waypoint Sector Condition
HMM FFM Traffic via L604, to be south of MAPOX
NORKU FUL
RAVLO
SPY
RKN
MADOR FFM / FUL ARR EDDH only, not for DEP EDDF
GESKA not for DEP EDDF
EKERN
NORTA
Waypoint Sector Condition
BOMBI SOL stay clear of NTM, FUL
OMOGI stay clear of FUL
EDGG/EDWW may clear directs to the following Waypoints without further coordination
Waypoint Sector Condition
NATSU DST FL195 and below
WRB HEF FL180 south of ELNAT

Transfer of Control and Transfer of Communications

Transfer of Control

Transfer of Control shall take place at the boundary of AoR.

  1. If the downstream sector in EuroScope is set to .break, Silent Handoff is suspended and transfer of communication can only take place after the downstream sector has assumed the flight via the appropriate function of the radar client.
  2. If it becomes necessary to reduce or suspend transfers, a 5 minute prior notification is required.
  3. When transfers are suspended, Silent Handoff is suspended as well.

Silent transfer of control

The following values for silent transfer of control strictly apply for aircraft on same flight level. If possible, they should also be met between aircraft on different flight levels, but with same destination:

  1. If preceding aircraft is on same speed or faster: 10nm
  2. If succeeding aircraft is faster by 20kts/M0.05 or less: 20nm
  3. If succeeding aircraft is faster by 40kts/M0.10 or less: 30nm

Transfer of Communications

Transfer of Communications shall take place no later than Transfer of Control.

Hand-Off procedure

Unless otherwise agreed between stations online, the following hand-off procedure, called Silent transfer of control, shall apply:

  1. The upstream sector initiates a transfer via the appropriate function of the radar client.
  2. The upstream sector sends the aircraft to the frequency of the downstream sector by voice or text.
  3. Upon initial call, the downstream sector assumes the flight via the appropriate function of the radar client.
  4. The transfer of communications shall be initiated early enough so that the pilot will call the downstream controller before or shortly after reaching his sector.

SSR Code Assignment

Both ATS units shall transfer flights on verified discrete SSR codes or for Aircraft with Mode S capabilities and suitable destinations code 1000. Any change of SSR code by the accepting ATS unit may only take place after the transfer of control point.