On-the-job training instructor (OJTI), Synthetic training device instructor (STDI) and Assessor licence endorsements
may be used in association with any of the licence holder’s valid ratings. Requirements and guidance associated with
these license endorsements can be found in:
The application for the issue, revalidation or renewal of an OJTI, STDI or Assessor endorsement can be made on CAA
Form SRG 1415.
Unit endorsements are valid for 12 months unless otherwise authorised by the CAA.
OJTI, STDI and Assessor endorsements are valid for 36 months.
If expired, your OJTI, STDI or Assessor endorsement will not appear on your licence, but it is kept on record and
will be added to your licence again after successful renewal.
To be granted an OJTI endorsement you must:
To be granted an Assessor endorsement you must:
To be granted an STDI endorsement you must:
An assessor endorsement only entitles the licence holder to conduct assessments in accordance with ATCO.C.045. The evaluator/verifier system for a Unit Training Plan is a UK-specific system which permits an OJTI who has successfully completed an evaluator course to make judgements as to whether a trainee can progress on the Unit Endorsement Course. This should ensure independence of the Unit Endorsement Course from the final assessment to gain the Unit Endorsement.
If you are applying for the issue of an Assessor endorsement:
If you are applying for the issue of an OJTI endorsement, sections 1, 2, 4 and 7 of SRG 1415 should be completed.
To renew or revalidate either of the above endorsements:
A refund fee may be charged if the application is found not to be in order and results in the rejection of your application. This will also be applied if you choose to cancel your application.
Read all @UK_CAA
Further advice to UK consumers impacted by WOW AIR ceasing operations
28 March, 2019
UK signs post-EU exit air safety agreements with USA
14 March, 2019
Passenger Rights: Boeing 737 Max
12 March, 2019
Read all News
Girls in aviation day
22 October, 2018
Tackling crime and improving safety
4 October, 2018
International women in engineering day
22 June, 2017
Read All Blogs