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Part 147, Part 66 and aviation training, explained.

Practical guidance on EASA Part 147, Part 66, and training management software — from the team behind AMTOS.

All articles

  1. 01 ExaminationsResits Without Repeats: Stopping Question Exposure in Part-66 ExamsWhen a resit shows the same questions, the exam tests memory, not knowledge. How exposure happens and how big your question bank needs to be. 8 min read
  2. 02 ExaminationsComputer-Based Testing Under EASA Part-147: How to Get NAA AcceptanceMoving Part-66 exams from paper to computer? What the rules require, where it goes in your MTOE, and how to get your NAA to accept it. 10 min read
  3. 03 Part 147 SoftwareWhat is EASA Part 147 — and What Must a Training Management System Do?EASA Part 147 governs nearly every aspect of your MTO — from student enrolment to Certificate of Recognition. Here's what a purpose-built system must cover. 8 min read
  4. 04 Part 66 TrainingPart 147 vs Part 66: What's the Difference for Training Organisations?Part 147 and Part 66 are closely linked but serve different purposes. Here's a clear explanation of what each regulation covers and what it means for your software. 6 min read
  5. 05 Buyer's GuideHow to Choose a Training Management System for Your Aviation MTONot all TMS platforms are built for Part 147 compliance. Here's what to look for — and the questions every aviation MTO should ask before choosing software. 10 min read
  6. 06 ComplianceEASA Part 147 Audit Checklist — What Your NAA Inspector Will Look ForPrepare for your next NAA surveillance audit with this practical, area-by-area checklist covering training records, question banks, attendance, and quality oversight. 10 min read
  7. 07 ExaminationsManaging Part 66 Question Banks — Why Spreadsheets Fail at ScaleYour question bank is the backbone of your examination system. Here's why spreadsheets create compliance risk — and what a purpose-built alternative looks like. 8 min read
  8. 08 CertificationCertificate of Recognition (CoR) Under EASA Part 147 — What MTOs Need to KnowThe CoR is the most important document your MTO issues. Understand what it certifies, the prerequisites, common mistakes, and how to automate compliant generation. 7 min read
  9. 09 ComparisonPart 147 Software Comparison 2026 — AMTOS vs Aviatize vs TrainingManager365Three platforms built for three kinds of training organisation. What AMTOS, Aviatize and TrainingManager365 each offer for Part-147, and how to choose. Updated September 2026. 12 min read
  10. 10 IntegrationsLTI 1.3, Microsoft Entra ID SSO and REST API for AMTOS: Available on RequestHow AMTOS can work with Canvas, Moodle and Blackboard via LTI 1.3 Advantage, with Microsoft Entra ID single sign-on and a REST API, delivered on customer request. 7 min read
  11. 11 ReferenceAviation Training Glossary — Part 147, Part 66 & MTO Terms ExplainedA comprehensive glossary of EASA Part 147, Part 66, and aviation maintenance training terms — from Accountable Manager to Type Training. Reference

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