Overseas Territory Aviation Regulations (​OTAR​)​ ​Part 21 Certification of Aircraft – 2 Days


The Overseas Territories Aviation Requirements (OTARs) describe the means by which aircraft operators, aviation personnel, and providers of services can gain approvals, licenses, and certificates and the process through which these are maintained. This process ensures adequate levels of safety and internationally agreed standards are met.

Overseas Territories Aviation Circulars (OTACs) are issued to provide advice, guidance, and information on standards, practices, and procedures to support the Overseas Territories Aviation Requirements (OTARs). They may amplify or provide practical guidance on meeting a requirement. They may also contain administrative material, information of a temporary nature, or information published in advance of a formal amendment to OTARs.

Who is the course for?

This course is aimed at quality managers, maintenance and continued airworthiness post holders, NAA staff, as well as EASA CAMOs, MRO and Part 145 maintenance organizations wishing to gain OTAR 145 approval.

What is the Benefit of this Training – What will I learn?

a) Awareness of the structure, composition, and impact of the OTAR regulatory obligations

b) Understand the environment driving the Part 145 process to focus your business decision-making process.

c) Confidence in gaining a detailed knowledge of the key components of OTAR 145 MOE

d) Have the knowledge to be able to manage an OTAR MOE within your organization.

e) A detailed understanding of the OTAR 145 Quality and Safety System.

f) Be able to use the regulation to support full compliance within an Aircraft Maintenance Organization (AMO).

Detailed Content / Topics – The following Subjects will be addressed 

The key topics of the course are

– Introduction to high-level applicable regulations, including the role of OTARs and OTACs and Continued Airworthiness in a regulatory environment
– Airworthiness and Continued Airworthiness concepts
– Subpart A – General
– Subpart B – Type Acceptance Certificates
– Subpart C – Design Changes
– Subpart E – Certificates of Airworthiness
– Subpart K – Materials, Parts, Components, and Appliances
– Subpart L – Export Certificate of Airworthiness
– Subpart M – Repairs
– Subpart P – Issue and renewal of Permits to Fly
– Subpart Q – Identification of Aircraft and Parts

– 21-1 Type Acceptance Certificates
– 21-3 Certificate of Airworthiness
– 21-5 Aircraft Parts – OTAR Part 145.59
– 21-6 Aircraft Airworthiness Review
– 21-8 Minimum Equipment List (MEL) Development and Approval
– 21-9 Mandatory Continued Airworthiness Requirements
– 21-10 Temporary Permits to Fly​

Target groups 

This course is aimed at OTAR 121 & 125 operators, quality managers, maintenance and continued airworthiness post holders, NAA staff, as well as EASA CAMO’s, MRO’s and Part 145 maintenance organizations wishing to gain OTAR ​Part 21 Understanding.


Prior awareness of the Aviation Regulatory Environment EASA / FAA is an advantage

Learning Objectives

Overall, the course aims to provide participants with a comprehensive understanding of the certification process for aircraft in overseas territories, enabling them to navigate the regulations and procedures outlined in OTAR Part 21 and ensure compliance with safety standards.

What do People Say About Sofema Aviation Services Training?

“The course exceeded my expectations.”
“Everything was in an appropriate timing and in a good climate.”
“Maximum points for the instructor’s effort and explanation from me.”
“The instructor provided enough room for all the questions to be asked”
“We received a lot of additional information to make things clearer.”


2 Days – Each training day will commence at 09.00 and finish at 17.00, with appropriate refreshment breaks.

To register for this training, please email office@sassofia.com or Call +359 28210806

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