Guernsey Aviation Requirements. (GARs) and Jersey Aviation Requirements (JARs)
2-REG: the brand name operated by the Office of the Registrar, Office of the Director of Civil Aviation and SGI Guernsey Limited. WWW.2-REG.COM
The following links are made available for your information. In some cases they are provided by local authorities outside the control or management of the DCA.
Guernsey Aviation Requirements (GARs)
The Guernsey Aviation Requirements (GARs) provide detailed regulatory material for registration and operation of aircraft on the 2-REG. These are presented in Adobe PDF format. Where GAR's in their list of revisions refer to NPA's please see specific NPA below.
GAR-1 Definitions, Abbreviations and Units of Measurements GAR-13 Occurrence Reporting GAR-21 Certification of Aircraft GAR-36 Aircraft Environmental Standards GAR-39 Continuing Airworthiness Requirement GAR-43 General Maintenance Requirements GAR-47 Aircraft Registration and Marking GAR-47 Aircraft Registration and Marking GAR-66 Aircraft Maintenance Personnel Licensing GAR-91,121,135 General Operating Instructions and Commercial Air Transport Operations GAR-91,125 General Operating Instructions and Complex General Aviation GAR-119 Air Operator Certification GAR-145 Aircraft Maintenance Organisation Approval GAR-172 Air Traffic Management & Air Navigation Services GAR 191 Aerodrome Certification
Jersey Aviation Requirements (JARs)
The Jersey Aviation Requirements (JARs) provide detailed regulatory material for Aerodromes, Air Traffic Management and Air Navigation Services and these are presented in Adobe PDF format. Where JAR's in their list of revisions refer to NPA's please see specific NPA below.
JAR-001 Aerodrome Certification JAR-002 Air Traffic Management & Air Navigation Services
Notice of Proposed Amendments (NPA's)
The NPAs provide a general explanation of the forthcoming changes and assesses the impact of the change. The NPA(s) will be followed by formal consultation period and subsequently the GAR amendment. After publication of the GAR the NPA will be removed from the website. End users may request past copies of NPA's.
Notice of Proposed Amendments 2026:
NPA 2026-2 Introduction of Reinspection to GAR 43.111 NPA 2026-3 Single-pilot CAT jet operations restrictions
Guernsey Advisory Circulars (GACs)
The Guernsey Advisory Circulars provide an acceptable means of compliance and information for operators and owners. The ODCA recently updated GAC prefix identifiers, a quick reference list is provided to illustrate the changes to end users.
GAC Prefix list GAC AIR-1 Standard Design Changes GAC AIR-2 (Removed. Incorporated into GAC GEN-5 "Nominated Postholders and Technical Coordinators") GAC AIR-3 Aircraft Maintenance Programmes GAC AIR-4 On Condition Maintenance GAC AIR-5 Release to Service Eligible Persons GAC AIR-6 Authorisations GAC AIR-7 Used components or Parts GAC AIR-8 Remote Survey GAC AIR-9 Permit to Fly GAC AIR-10 Certificate of Airworthiness GAC AIR-11 Aircraft Airworthiness Review GAC AIR-12 Type Acceptance Certificates GAC AIR-13 Aircraft Reliability Programmes GAC AIR-14 Approval of Design Changes GAC AIR-15 Fabrication of Parts GAC AIR-16 CAMO Option 2 Approval GAC AIR-17 AMO Option 2 Approval GAC AIR-18 AMO Option 2 additional guidance GAC AIR-19 Renewal of Certificate of Airworthiness for Single Piston Engine Aeroplanes below 2700kg. GAC GEN-1 Brexit GAC GEN-2 Safety Management Systems GAC GEN-3 Quality Management (Compliance Monitoring) Systems GAC GEN-4 Accountable Manager GAC GEN-5 Nominated Postholders (and Technical Coordinators) GAC OPS-1 ATS Comms & Surveillance Authorisations GAC OPS-2 (Removed. Incorporated into GAC GEN-5 "Nominated Postholders and Technical Coordinators") GAC OPS-3 Training Programmes GAC OPS-4 Upset Prevention and Recovery Training GAC OPS-5 Extended Diversion Time Operation GAC OPS-6 Aircraft Tracking GAC OPS-7 Guidance on Private Flight Definition GAC OPS-8 Electronic Flight Bag (EFB) GAC OPS-9 Minimum Equipment List (MEL) GAC OPS-10 Braking Action Reporting. Global Reporting Format (GRF) GAC OPS-11 Principal Place of Business (PPB) (Under review) GAC PEL-1 Pilot Licencing and Rating GAC PEL-2 Aircraft Maintenance Licence Validations GAC REG-1 Aircraft Registration- Eligibility and Admission requirements GAC REG-2 Public Inspection of the Registers GAC REG-3 Aircraft Registration and Marking GAC REG-4 Charter by Demise arrangements
Guernsey Safety Information Bulletins (GSIBs)
Guernsey Safety Information Bulletins (GSIBs) are issued as an information tool that intends to alert, inform and draw the attention of the aviation community on safety issues. GSIBs contain nonmandatory information and guidance that do not qualify for an Airworthiness Directive (AD). The ODCA recently updated GSIB prefix identifiers, a quick reference list is provided to illustrate the changes to end users.
GSIB Prefix List GSIB AIR 2020-1 Agusta Bell and Bell 206 helicopters GSIB AIR 2020-2 CO Contamination Minimisation and Detection in GA Aircraft GSIB AIR 2020-3 Piston Engine Low Utilisation Maintenance Practices GSIB AIR 2023-1 Acceptable Release Certification for Parts, Appliances and Materials GSIB OPS 2022-1 Interception Procedures
Information Notices
The Office of the Director of Civil Aviation (ODCA) issues Information Notices (IN) to provide further information on various topics related to avaition safety and regulation. These Notices are designed to inform stakeholders about important updates, changes, and requirements that affect the aviation industry
ODCA Safety news, notifications and alerts:
General aviation flying during exceptionally hot weather.
With temperatures set to exceed 35°C in the Channel Islands this week, pilots are reminded of the effect of higher ambient temperatures on general aviation aircraft operations and performance. Please see links to useful information in various CAA publications.
