Course Information

Final test information
  • Final test delivery method: Non-supervised online test can be taken in the end of the course

  • Final test format: Multiple choice questions

  • Number of questions: 10 (drawn from a question bank)

  • Pass mark: 80% correct answers

Course references
  • FAA: 2020-2021 winter season Holdover Time Guidelines 

  • SAE: AS 6285 Aircraft Ground De-icing/anti-icing processes

  • SAE: AS 6286 Aircraft Ground De-icing/Anti-Icing Training and Qualification Program

  • SAE: AS 6332 Quality Assurance


Language versions
  • English

  • Finnish


How to register?

This eLearning course is only available for companies, not for private individuals. Course is available in all locations globally 24/7. Course can be studied immediately after purchase.


To learn more about the prices and other details, please send email to

We offer different pricing options.

Pay Per Use

  • Access for one or more persons whenever needed

  • Discounted prices available for multiple purchases


  • Priced by the number of employees and selected courses

  • Unlimited use of selected courses

  • Monthly subscription fee at discounted price

  • Dedicated training portal according to clients’ brand

This course can be tailored on request with client specific content and look & feel.

Tailor-made courses on any training subject are available on request at competitive price.
De-Icing (DI-L20) Theory Part – eLearning course

This course is designed for personnel to gain relevant knowledge of international requirements and recommendations for De-Icing/Anti-Icing aircraft on the ground.


The objective of this course is to provide theoretical background to operate and control aircraft de-/anti-icing procedures.

This course is designed for

  • De-/anti-icing operators (DI-L20), ground handling supervisors and aircraft maintenance organisations


Learning objectives

Upon completion of this course, a course participant will be able to:

  • understand the regulations, guidelines standards for safe and efficient operations

  • learn the basics of aerodynamics that an operator must know

  • determine the need and methods used for de-icing/anti-icing operations

  • know when and how to use different equipment and fluids

  • become familiar with environmental impact, irregularity reporting and general communication procedures.

Course content

  • Introduction

  • Aerodynamics

  • De-icing & Anti-icing operations

  • Equipment and Fluids

  • Course summary

  • Final test


Course duration

Time required to study this course is 1,5 hours.

Certificate awarded

Upon successful completion of the final test, a participant will be awarded with an eCertificate.