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A light aircraft retracting its landing gear in flight

Official Differences Courses

Retractable Undercarriage

Official Differences training is required for aircraft that have Retractable Undercarriage. This training needs to encompass both theory and practical (flight) with an instructor.

  • 3 lessons
  • Course exam
  • 2 certificates
  • For licensed pilots

The course

What you'll learn

This course satisfies the requirements for learning the theory behind retractable undercarriage, its operation, malfunctions and emergency procedures. Your training flights with an instructor will put this theory into practice.

At the end of this course, you will have a thorough grounding in the relevant aspects of the subject matter that you will use in your everyday flying.

To prove you have completed the course, after you have successfully passed our on-line exam, you will be issued with a Course Completion Certificate.

The landing gear lever and three green lights
Three greens
An engineer inspecting a retractable undercarriage
How it works

What's included

Everything you need, in one place

  • 3 lessons54 illustrated slides, at your own pace, picking up where you left off.
  • Course examTimed, exam-style questions, so the real exam holds no surprises.
  • Certificate of completionYours when you pass the course exam.
  • Exam readiness certificateShows you're ready to sit the official exam.
  • Kept up to dateUp-to-date material that stays up to date.
  • Study anywhereOn your computer, tablet or phone.

Course contents

3 lessons, step by step

  1. 1Introduction, System Types and Indication22 slides
  2. 2Protection Systems, Limitations and Normal Operations13 slides
  3. 3Emergency Procedures, Human Factors and Course Exam19 slides

Buy it now

Choose how you study

Everything included

Full Course

£15.49for one month

Renew for £13.94 a month

  • Every lesson in the course
  • The course exam
  • 2 certificates
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Test/Exam Access Only

£13.99for one month

Renew for £13.99 a month

  • The course exam
  • Ideal for revision
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No account needed to add to your basket: you'll register (free) at checkout, and your course opens as soon as you've paid.