• Modifications and repairs approved by EU Member States before 29th September 2003 may be installed onto a UK registered aircraft without the need to seek further approval.

    However, evidence of prior approval by a National Aviation Authority is required.

    For later modifications, evidence of approval by EASA must be obtained in order to allow the aircraft to be released to service

    Approval of a minor modification or repair

    • EASA Form 32 should be sent directly to EASA.
    • A detailed description of the modification/ repair should accompany the application.

    Payment will be required in accordance with the current Fees and Charges Regulation, details of which will be advised by EASA on receipt of the application.

    Applying for the Approval of a Supplemental Type Certificate (STC)

    • EASA Form 33 should be sent directly to EASA.
    • A detailed description of the modification/repair should accompany the application.

    Payment will be required in accordance with the current Fees and Charges Regulation, details of which will be advised by EASA on receipt of the application.