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Appendix 1 EASA Form 157

REQUIREMENTS FOR COMPETENT AUTHORITIES — OVERSIGHT OF SERVICES AND OTHER ATM NETWORK FUNCTIONS · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

AppendixAppendix

Appendix 1EASA Form 157

CERTIFICATE FOR SERVICE PROVIDER EUROPEAN UNION COMPETENT AUTHORITY SERVICE PROVIDER CERTIFICATE [CERTIFICATE NUMBER/ISSUE No] Pursuant to Implementing Regulation (EU) 2017/373 and subject to the conditions specified below, the [competent authority] hereby certifies [NAME OF THE SERVICE PROVIDER] [ADDRESS OF THE SERVICE PROVIDER] as a service provider with the privileges, as listed in the attached service provision conditions. CONDITIONS: This certificate is issued subject to the conditions and the scope of providing services and functions as listed in the attached service provision conditions. This certificate is valid whilst the certified service provider remains in compliance with Implementing Regulation (EU) 2017/373 and the other applicable regulations and, when relevant, with the procedures in the service provider's documentation. Subject to compliance with the foregoing conditions, this certificate shall remain valid unless the certificate has been surrendered, limited, suspended or revoked. Date of issue: Signed: [Competent authority]

EASA Form 157 Issue 1 — Page 1/4

SERVICE PROVIDER CERTIFICATE SERVICE PROVISION CONDITIONS Attachment to service provider's certificate: [CERTIFICATE NUMBER/ISSUE No] [NAME OF THE SERVICE PROVIDER] has obtained the privileges to provide the following scope of services/functions: (Delete lines as appropriate)
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations
Air traffic services (ATS)Air traffic control (ATC)Area control service
Approach control service
Aerodrome control service
Flight information service (FIS)Aerodrome flight information service (AFIS)
En-route flight information service (En-route FIS)
Advisory servicen/a
Air traffic flow management (ATFM)ATFMProvision of the local ATFM
Airspace management (ASM)ASMProvision of the local ASM (tactical/ASM Level 3) service
Conditions
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations1
Air traffic services (ATS) for flight test2,Air traffic control (ATC)Area control service
Approach control service
Aerodrome control service
Flight information service (FIS)Aerodrome flight information service (AFIS)
En-route flight information service (En-route FIS)
Advisory servicen/a
Conditions3
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations
Communication, navigation or surveillance services (CNS)Communications (C)Aeronautical mobile service (air-ground communication)
Aeronautical fixed service (ground-ground communications)
Aeronautical mobile satellite service (AMSS)
Navigation (N)Provision of NDB signal in space
Provision of VOR signal in space
Provision of DME signal in space
Provision of ILS signal in space
Provision of MLS signal in space
Provision of GNSS signal in space
Surveillance (S)Provision of data from primary surveillance (PS)
Provision of data from secondary surveillance (SS)
Provision of automatic dependent surveillance (ADS) Data
Conditions
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations1
Aeronautical information services (AIS)Aeronautical information products (including distribution services)Aeronautical information publication (AIP)
Aeronautical information circular (AIC)
NOTAM
AIP data set
Obstacle data sets
Aerodrome mapping data sets
Instrument flight procedure data sets
Preflight information servicesn/a
Conditions2
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations1
Data services (DAT)Type 1Provision of Type 1DAT authorises the supply of aeronautical databases in the following formats: [list of the generic data formats] Provision of Type 1 DAT does not authorise the supply of aeronautical databases directly to end-users/ aircraft operators.
Type 2Provision of Type 2 DAT authorises the supply of aeronautical databases to end-users/aircraft operators for the following airborne application/ equipment, for which compatibility has been demonstrated: [Manufacturer] Certified Application/ Equipment model [XXX], Part No [YYY]
Conditions2
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations
Meteorological services (MET)METMeteorological watch office
Aerodrome meteorological offices
Aeronautical meteorological stations
VAAC
WAFC
TCAC
Conditions
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations1
Flight procedure design (FPD)Design, documentation and validation of flight procedures3n/a
Conditions2
Services/FunctionsType of Service/FunctionScope of Service/FunctionLimitations1
ATM network functionsDesign of ERNn/a
Scarce resourcesRadio frequency
Transponder code
ATFMProvision of the central ATFM
Conditions2
Date of issue: Signed: [Competent authority] For the Member State/EASA

EASA Form 157 Issue 1 — Page 4/4

APPENDIX · Appendix 1 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

All rules in APPENDICES TO ANNEX II

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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