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Doc AN Airworthiness Manual. Volume I. Organization and Procedures. Approved by the Secretary General and published under his authority. The Airworthiness Manual (Doc ) was first published in in two volumes and contained a consolidation of airworthiness-related information previously. Doc AN Airworthiness Manual. Volume II. Design Certification and. Continuing Airworthiness. Approved by the Secretary General.

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As stated in para 4. Military Authorities Recognition Question Set. If you wish to contribute or participate in the discussions about articles you are invited to join SKYbrary as a registered user. Although the owner bears dof legal responsibility for continuing airworthiness, there is very much a shared responsibility between:. Terms, conditions and sustainment requirements are normally articulated in a recognition certificate and the supporting documentation.

For operators based outside the EU, for whom EASA regulations do not apply, continuing airworthiness is still managed in a controlled manner but the regulations are within the rules for the operator. Normally, these work products will have received an airworthiness approval or other form of authorization from an AA. Retrieved from ” https: For the DND TAA and the Technical Airworthiness Program, this relates to airworthiness certification, production oversight and airworthiness inspection continuing airworthiness.

Reference should also be made to M. Recognition can be unilateral, bilateral or multilateral.


Cranfield University Content control: This standardized assessment tool has been tailored for the military context and takes the form airsorthiness a question set called the Military Authorities Recognition Question set MARQ reference i.

Safety and airworthiness are sovereign responsibilities. The ultimate responsibility for continued airworthiness is assigned in ICAO Annex 8 to the State of Design but the programme to achieve continuing airworthiness is a matter for the State of Registry.


The recognition process follows four basic phases:. It is useful to compare Continued and Continuing as they are sometimes used interchangeably. Once the regulatory Section Heads have completed their reviews, airworthihess provide a summary of their findings to DTAES 2, who collates them into a preliminary report. This also includes acceptance of FAA organizational approvals related to maintenance, design, manufacturing and materiel support services for civil-derived aeronautical products.

This is an approved organisation responsible for implementation of continuing airworthiness management tasks. For example, for most military organizations, operational effectiveness is paramount and, therefore, aviation airwortihness objectives must be balanced against the need to accept higher levels of risk wherever operational circumstances dictate.

Airworthiness Directive – EUROCONTROL ATM Lexicon

The process by which the TAA will undertake this recognition could include: Other military regulators may be organized differently, for example: While MAAs may closely align with many of the international civilian airworthiness processes, by necessity, military aviation has a different risk context and will employ military design standards.

Examples may include any of the following: Recognition, therefore, does not transfer any legal responsibilities from the TAA to the recognized AA. TAM Part 1, Chapter 4 — Assignment of Technical Airworthiness Authority describes the rules and standards for determining the acceptability of organizations that have been assigned airworthiness management roles or airworthiness functions by a regulatory authority other than the TAA.

A recognition does not expire. Reference j represents a TAA staff instruction that covers how companies providing services under contract to DND are recognized. Sustainment usually relates to the requirement to communicate any change to the conditions under which the recognition was originally issued. The planning phase is used to review the rationale for the AA recognition and establish the recognition plan.

DTAES 2 maintains a record of individual evaluator findings and coordinates with the AA being assessed to build a schedule for the onsite review. The process by which the TAA will undertake this recognition could include:. For each of its aircraft, the approved CAMO is required to carry out the following functions. For the purposes of this advisory, recognition is defined as the process by which an AA assesses and acknowledges another AA as being a competent regulator, empowered with the necessary authority, infrastructure, resources and mechanisms to ensure aviation safety.


The report provides an overall assessment of acceptability and identifies any areas that require clarification through an onsite review. It may be necessary to develop limitations and conditions associated with the recognition, based upon risk assessment of any gaps in documentation or information. To enable the provisions of these two TAM chapters, there is a requirement to identify the other regulatory authorities that are acceptable to the TAA and detail the methodology used to establish acceptability.

For the purpose of this advisory, an airworthiness artefact is a work product from a military or civil airworthiness authority.

Within a military organization, airworthiness and aviation responsibility may be spread across a number of organizations, and enforcement may only be possible through internal regulations, rules and contracts. The four sub-sections are:. Common to the efforts between these agencies is the use of a standardized assessment tool, based on ICAO documents references g. Limitations and Constraints 4.

TAA Advisory – Recognition of Airworthiness Authorities

While the review process includes both a desktop and an onsite review, the output of the desktop review can be sufficiently comprehensive to preclude the requirement for the onsite review.

When granting recognition, the TAA will specify any associated terms or condition. Continuing Airworthiness management is the process by which an aircraft is kept in a condition where it ddoc airworthy throughout its life – or in other wordsi.