Part 21 temporary Permits to Fly

To apply, you will need to do the following:

• Complete and submit the online application form, including the required information referred to on this page.

If Civil Aviation Authority (CAA) approved design related flight conditions is required, complete and submit the relevant application Approval of flight conditions for Permits to Fly.

Please find further guidance on the Temporary Permit to Fly Approval Process.

In all cases:

• A completed online application for the issue of a Part 21 temporary Permit to Fly and/or non-design flight conditions.
  • Confirmation of the purpose of flight (in accordance with Part 21 21.A.701(a).
  • Details of the ways in which the aircraft does not comply with the applicable airworthiness requirements.

Along with a description of the issue, and in the case of overdue items, how much the item is overdue you will also need to send:

• Details of the Civil Aviation Authority (CAA) approved organisation or authorised individual who is supporting the application if they are not the applicant.
• Confirmation and details of the Certification type for the aircraft (for example, TCDS, SAS, AAN).
• Details of the CAA Approved Maintenance Programme.
• Confirmation of who (either organisation or individual) will be issuing the aircraft the Certificate of Release to Service (for Part 21 Permanent Permit aircraft - details of the individual holding the valid CAA Permit Maintenance Release Authorisation shall be required).
• Details of any maintenance or actions to be carried out to ensure safe flight.
• Departure and Destination location, with space to list any intermediate stops.
• Target dates for flight.

In addition:

For the issue of a Part 21 temporary Permit to Fly with CAA (or Part 21J) approved design related Flight Conditions:

• Copy of CAA (or Part 21G/J) approved Flight Conditions (CAA Form 18b or 18a).
• Copy of any documentation referred to in CAA Form 18b or 18a.
• relevant fee

If the application requires the approval of non-design related Flight Conditions:

• Justification to demonstrate that the aircraft can perform the intended flight(s) safely under the defined conditions.

If you (the applicant) cannot confirm that 'The flight conditions have been established and justified in accordance with 21A.708. and the aircraft has no features and characteristics making it unsafe for the intended operation under the identified conditions and restrictions'.

You must supply a statement from a suitably approved individual confirming the above, along with the individual's name, Company name (if an Approved Organisation), approval reference or Part 66 license number (if applicable), date and a signature.

Before a flight is made with a Civil Aviation Authority (CAA) Part 21 Permit to Fly in force, a Certificate of Release to Service (CRS) must be issued in accordance with Part M M.A.801 or Part 21 21A.163. The CRS must contain sufficient information to be able to verify that all required maintenance has been accomplished, that the aircraft conforms to the approved flight conditions and that it is in a condition for safe operation.

Urgent operational need

The CAA Same Day Service may be applicable in cases of demonstrated urgent operational need and Grounded Aircraft. Please contact apply@caa.co.uk.

Once a correctly completed application form and applicable fee are received, the application will be reviewed. The applicant may be requested to supply additional information if required.

Once the Civil Aviation Authority (CAA) are satisfied that the aircraft is capable of safe flight under the defined conditions, the temporary Permit to Fly (and approved non-design related Flight conditions if appropriate) will be issued and forwarded to the applicant by email, with the first print of the documents deemed as the originals.