Assessment. The determination by an instructor, assessor or evaluator as to whether a candidate meets a required competency standard under given conditions, by collecting evidence from observable behaviours. Assessment takes place during instruction and evaluation.
Source: ICAO Doc 9868 PANS-TRG
Assessor endorsement means the authorisation entered on and forming part of the licence, indicating the competence of the holder to assess the practical skills of student air traffic controller and air traffic controller
Source: EU Regulation 2015/340
Description
The ATC assessor is a person who determines whether or not a person is performing up to the required competency standards. The person being assessed may be: