EWIS Group 1 & 2 – Online Training Course

EWIS (Electrical Wiring Interconnection Systems) training is required for aviation professionals who work with or around aircraft wiring systems. This includes maintenance personnel, avionics technicians, inspectors, B2 engineers, CAMO staff, and quality/compliance managers.

Group 1 (TG1) is for qualified staff providing EWIS maintenance, such as avionics technicians, skilled workers, and B1 engineers. The training focuses on wiring systems maintenance.

Group 1 (TG2) is for qualified staff providing EWIS inspections, such as inspectors and B2 engineers. The training focuses on inspection.

Our course covers both elements, providing a fully rounded overview of EWIS 1 & 2 concepts.

Yes, under EASA and UK CAA regulations EWIS Group 1 & 2 training is mandatory for maintenance and inspection staff working on aircraft wiring.

Yes, this course is fully compliant with EASA AMC 20-22.

Continuation training is typically required every 2 years in line with regulatory and company policy.

1. Human Factors, Fuel Tank Safety and EWIS training lasts 2 years. If an initial certificate is held and the training is being completed for the two-year renewal then the Continuation Courses are sufficient.
(NOTE: Some organisations require a full continuation of training so if there is a large enough gap between certificates expiring and being renewed, the initial training may be needed again. This can differ based on each individual Company’s Quality Procedures.)

1. EWIS TG1&2 – Defined as being for “Qualified staff performing EWIS maintenance” & “Qualified staff performing maintenance inspections on EWIS.”
(E.g. B2 Engineers, Electrical Engineers/Inspectors, Avionic Engineer/Inspectors)
NOTE: Some organisations require B1 engineers who are signing-off aircraft to be TG1&2 trained

2. EWIS TG4&5 – Defined as being for “Qualified staff performing general maintenance/inspections not involving wire maintenance (LRU change is not considered wire maintenance)” & “Qualified staff performing other engineering or planning work on in-service aeroplane”
(E.g. A Licenced Engineers, B1 Licenced Engineers, Sheet Metal Workers (SMW), Mechanics)

3. EWIS TG6 – Defined as being for “Other service staff with duties in proximity to electrical wiring interconnection systems”
(E.g. (but not limited to): Aeroplane cleaners, cargo loaders, re-fuelling staff, lavatory servicing personnel, de-icing personnel, push back personnel, etc.)

4. EWIS TG7 – Defined as being for “Flight Deck Crew”

5. EWIS TG8 – Defined as being for “Cabin Crew”

1. Initially you will have three attempts at the exam, if a passing mark is not reached after the three attempts then please contact enquiries@bostonairtraining.com
(NB for admin: Attempts can be reset once and then they must be purchased again.)

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1. Most courses take around 2-4hrs to complete, with regulatory courses (Part 145, Part M and Part CAMO) taking around 6-8hrs to complete. However, the online courses are self-led, and are therefore taken at the pace of the student and are accessible 24/7. The courses can be pauses and resumed as many times as necessary.

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