• The privileges of a Synthetic Training Instructor (STI) certificate allows the instructor to carry out synthetic training instruction for:

    • The issue of a licence
    • The issue, revalidation or renewal of an IR and a class or type rating for single-pilot aircraft (except for single-pilot high performance complex aeroplanes) 

    Additional privilege for the STI(A) 

    • The privileges of an STI(A) shall include synthetic flight instruction during the core flying skills training of the MPL integrated training course.

    Please note, there are specific requirements to be met which allows the instructor to carry out the above individual privileges.

    Please refer to ‘FCL.905.STI  – Privileges and conditions’ in Easy Access Rules for further guidance.

    Prerequisites

  • An applicant for an aeroplane STI certificate shall:

    • Hold, or have held within the 3 years prior to the application, a pilot licence and instructional privileges appropriate to the courses on which instruction is intended.
    • Have completed in an FNPT the relevant proficiency check for the class or type rating, within a period of 12 months preceding the application.
    • An applicant for an STI(A) wishing to instruct on BITDs only, shall complete only the exercises appropriate for a skill test for the issue of a PPL(A).

    An applicant for a helicopter STI certificate shall:

    • Hold, or have held within the 3 years prior to the application, a pilot licence and instructional privileges appropriate to the courses on which instruction is intended.
    • Have completed in an FNPT the relevant proficiency check for the class or type rating, within a period of 12 months preceding the application.
    • Have completed at least 1 hour of flight time as an observer on the flight deck of the applicable type of helicopter, within the 12 months preceding the application.

    Please refer to 'FCL.915.STI  - Prerequisites' in Easy Access Rules for further guidance.

  • Training

    An applicant for an instructor certificate shall have completed a course of theoretical knowledge and flight instruction at an ATO.

    The STI training course shall include: 

    • At least 3 hours of flight instruction related to the duties of an STI in an FFS, FTD 2/3 or FNPT II/III, under the supervision of an FIE. (Applicants for an STI(A) wishing to instruct on a BITD only, shall complete the flight instruction on a BITD.)
    • For applicants for an STI(H), the course shall also include the FFS content of the applicable TRI course.

    Revalidation and Renewal

    An STI certificate is issued with a validity of 3 years. However, a revalidation can be completed within the last 12 months of the expiry date. Therefore, the new expiry date of a further 3 years will be calculated from the current expiry date of the STI certificate when completed within the revalidation period. 

  • To revalidate an STI certificate applicants are required to complete the following requirements, within 12 months of the expiry date of the STI certificate:

    • Have conducted at least 3 hours of flight instruction in an FSTD, as part of a complete CPL, IR, PPL or class or type rating course.

    • Have passed in the FSTD on which flight instruction is conducted, the applicable sections of the proficiency check for the appropriate class or type of aircraft.

    For STIs(A) instructing on BITDs only, the proficiency check shall include the exercises appropriate for a skill test for the issue of a PPL(A) only.

    To renew an expired SFI certificate, applicants are required to complete the following requirements within 12 months immediately preceding the submission of their application:

    • Complete refresher training as an STI at an ATO.

    • Pass in the FSTD on which flight instruction is conducted, the applicable sections of the proficiency check for the appropriate class or type of aircraft in accordance with Appendix 9.

      For an STI(A) instructing on BITDs only, the proficiency check shall include the exercises appropriate for a skill test for the issue of a PPL(A) only.

    • Conduct, in the relevant aircraft category, on a complete CPL, IR, PPL or class or type rating course, at least 3 hours of flight instruction under the supervision of an FI, a CRI, an IRI or a TRI nominated by the ATO for this purpose, including at least 1 hour of flight instruction supervised by a flight instructor examiner (FIE).

    Please refer to 'FCL.940.STI - Revalidation and renewal' in Easy Access Rules for further guidance.

  • How to apply

    • Submit application form SRG1131 along with the relevant fee. For application fees please refer to the UK CAA Scheme of Charges.
    • A certified current copy of your Part-FCL/UK licence if you hold one.
    • Evidence of a proficiency check in a FSTD within 12 months of the submission of your application form (We can accept examiner report form SRG2199 or section 9 of SRG1131
    • Section 10 of SRG1131 to be fully completed by the ATO who conducted the STI approved training course. If the ATO was an approved non-UK ATO, please also submit a copy of ATO's Course Approval Certificate.
    • If the examiner who observed your 3 hours of flight instruction was a non-UK Part-FCL examiner, please also submit a current copy of their Part-FCL licence, medical certificate and examiner certificate. The examiner will also be required to submit a test notification request prior to the AoC.
    • If the FNPT II/III MCC, FTD 2/2 or FFS device used for your STI flight instruction was a non-UK approved device, please also submit a copy of the approval certificate

    • Submit application form SRG1135 along with the relevant fee. For application fees please refer to the UK CAA Scheme of Charges Publication.
    • A certified current copy of your Part-FCL/UK licence if you hold one.
    • Evidence of an LPC completed within 12 months of the submission of your application form (We can accept examiner report form SRG2199).
    • Section 10 of SRG1135 to be fully completed by the ATO to be fully completed by the ATO who conducted the STI approved training course. If the ATO was an approved non-UK ATO, please also submit a copy of ATO's Course Approval Certificate.
    • If the examiner who observed your 3 hours of flight instruction was a non-UK Part-FCL examiner, please also submit a current copy of their Part-FCL licence, medical certificate and examiner certificate. The examiner will also be required to submit a test notification request prior to the AoC.
    • If the FNPT II/III MCC, FTD 2/2 or FFS device used for your STI flight instruction was a non-UK approved device, please also submit a copy of the approval certificate.

    The above can be submitted to the UK CAA either by the postal service to the Gatwick Office or to licenceapplications@caa.co.uk.

    During the current Covid-19 pandemic, we ask that all paperwork is sent to us electronically. 

  • During the current Covid-19 pandemic, we ask that all paperwork is sent to us electronically.

    Contact us

    If you have any queries, please contact the Examiners team at examiners@caa.co.uk or on 0330 022 1972 between the hours of 08:30 and 16:30 Monday to Friday.

  • Related Information

    Please ensure that your training provider is approved to conduct the specific course that you are undertaking.

    We strongly recommend you check that your instructor and examiner hold the relevant privileges to conduct the training and any flight test, examination or assessment of competence that is being carried out.

    How to find a UK examiner or UK approved school

    For questions relating to paperwork, such as how to obtain certified copies of documents, please refer to Guidance on documentation.