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Upskill / Aviation Standards and Regulations / What Part-145 is, Part 1: the approval and the organisation

What Part-145 is, Part 1: the approval and the organisation

What Part-145 is, how a scope is read, what facilities, tools, parts, data and people it requires, how the exposition and management system work, and how an approval is granted and kept

By Aerospace Garage Desk · Introductory · 45 minutes · 24 narrated pages · Updated October 2026

What you will be able to do

  • ✓ Explain what a Part-145 approval allows, why organisations rather than individuals are approved, where the rule came from, and how it relates to other "145" rules around the world.
  • ✓ Read an approval's scope: the A, B, C and D ratings, their classes, the named types or parts, and base or line maintenance at named locations.
  • ✓ Describe the hangars, workshops, stores, controlled tools, traceable parts and current maintenance data an organisation must have.
  • ✓ Explain the accountable manager, nominated persons, the man-hour plan, competence, and certifying staff with their licence and company authorisation.
  • ✓ Explain what the maintenance organisation exposition contains, how the management system fits into it, and how changes are approved.
  • ✓ Walk through application, audit, findings, the approval certificate and continuing oversight.

Course content

Session 1 · What Part-145 is

1.1

  1. The signature that returns an aircraft to service · free preview
  2. From JAR-145 to today's Part-145
  3. Whose Part-145?
  4. From the investigation file: the windscreen on G-BJRT
Session 2 · Scope: ratings and classes

1.2

  1. Four ratings
  2. Classes, types and capability lists
  3. Base and line maintenance
  4. Worked example: is this job inside our scope?
Session 3 · Facilities, tools, parts and data

1.3

  1. The right place to work
  2. Tools, equipment and parts
  3. Current maintenance data
  4. Worked example: an overdue torque wrench
Session 4 · People and management

1.4

  1. Who is in charge
  2. Enough competent people
  3. Certifying staff
  4. Worked example: when the man-hour plan falls short
Session 5 · The exposition and the management system

1.5

  1. The organisation's own rulebook
  2. What the exposition contains
  3. Changing the organisation
  4. Worked example: which changes need prior approval?
Session 6 · Getting approved and staying approved

1.6

  1. Applying
  2. The audit and its findings
  3. The certificate and what follows
  4. Worked example: from audit findings to the next oversight cycle

Who this course is for

Upskill courses are for professional development and are not approved by any aviation authority. Learner Terms

Course content © Aerospace Garage Limited. All rights reserved.