Training Courses

Differential Theoretical Training

Differential Theoretical Training


12 days

Number of Participants

Minimum: 12
Maximum: 28


on request


This course is prepared for those participants want to add additional aircraft type knowledge. It covers all systems differences between the aircraft type series according to the requirements defined in the related documents for Certifying Staff. The participants must demonstrate by knowledge examination a detailed understanding of the listed systems, their operation and maintenance.


Level 1 General Familiarisation

A brief overview of the airplane, systems and powerplants as outlined in the Systems Description section of the Aircraft Maintenance Manual.

Level 2 Ramp and Transit

Basic System overview of controls, indicators, principal components including their location and purpose, servicing and minor trouble shooting.

Level 3 Line and Base Maintenance
In addition to the information contained in level 1 and level 2 training, upon completion of the level 3 training, the participant will be able to:

  • Describe how to perform system, component and functional checks as specified in the maintenance manual.
  • Correlate information for the purpose of making decisions in respect of fault diagnosis and
  • rectification to the maintenance manual level.
  • Describe procedures for replacement of components unique to the aircraft to maintenance
  • manual level.

Target Group

EASA Part-66 category B1/B2 or other maintenance staff.

Aircraft Engine



EASA Part-66 category B1/B2 or equivalent maintenance staff.


Closed book examinations will be conducted throughout the course. The minimum passing mark for the exam paper is 75 %. Participants will receive a Part-147 certificate upon successful completion of the course.

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