Are aircraft not registered in a Member State exempt from all Part 21 and Part 21 Light requirements?

No. They are exempted from Subparts H and I of Section A of Annex I (Part 21) and Subparts H and I of Section A of Annex Ib (Part 21 Light). They are also exempted from Subpart P of Section A of Annex I (Part 21) and Subpart P of Section A of Annex Ib (Part 21 Light), except where aircraft identification marks are prescribed by a Member State.

For a balloon to be eligible for the declaration of design compliance, what is the maximum number of persons it can be designed for?

A balloon designed for not more than four persons.

Which subparts of Part 21 and Part 21 Light are aircraft not registered in a Member State exempt from, and what is the exception?

They are exempt from Subparts H and I of Section A of Annex I (Part 21) and Subparts H and I of Section A of Annex Ib (Part 21 Light). They are also exempt from Subpart P of Section A of Annex I (Part 21) and Subpart P of Section A of Annex Ib (Part 21 Light), except where aircraft identification marks are prescribed by a Member State.

Which products are explicitly excluded from the Part 21 Light certification alternative and the declaration of design compliance?

Unmanned aircraft are excluded from both the Part 21 Light certification alternative and the declaration of design compliance.

What is the maximum take-off mass for a gyroplane to be eligible for the Part 21 Light certification alternative?

The text does not specify a maximum take-off mass for a gyroplane; it only lists 'a gyroplane' as eligible.

What is the maximum take-off mass for a balloon to be eligible for the Part 21 Light certification alternative?

The text does not specify a maximum take-off mass for a balloon; it only lists 'a balloon' as eligible.

What is the maximum take-off mass for a hot air airship to be eligible for the Part 21 Light certification alternative?

The text does not specify a maximum take-off mass for a hot air airship; it only lists 'a hot air airship' as eligible.

What are the two alternative certification paths to the standard product certification specified in Annex I (Part 21)?

Certificates may be alternatively issued as specified in Annex I (b) (Part 21 Light) for certain products, or a declaration of design compliance may be made as specified in Annex Ib (Part 21 Light) for certain other products.

Article 2 Certification of products, parts, appliances, control and monitoring unit and control and monitoring unit components

Q: Which specific aircraft types and size limits qualify for the alternative certification under Part 21 Light instead of the standard Part 21 certificates?

The following products other than unmanned aircraft qualify: (a) an aeroplane with MTOM of 2 000 kg or less and max operational seating of four persons; (b) a sailplane or powered sailplane of 2 000 kg MTOM or less; (c) a balloon; (d) a hot air airship; (e) a passenger gas airship designed for not more than four persons; (f) a rotorcraft of 1 200 kg MTOM or less and max operational seating of four persons; (g) a piston engine or fixed pitch propeller intended to be installed on an aircraft referred to in points (a) to (f); or (h) a gyroplane.

Q: For which products can a declaration of design compliance be used instead of a certificate, and what are the exact size and seating limits?

A declaration of design compliance may be made for: (a) an aeroplane of 1 200 kg MTOM or less that is not jet-powered and with a maximum operational seating configuration of two persons; (b) a sailplane or a powered sailplane of 1 200 kg MTOM or less; (c) a balloon designed for not more than four persons; (d) a hot air airship designed for not more than four persons.

Q: What is the maximum take-off mass and seating configuration for a rotorcraft to be eligible for the Part 21 Light certification alternative?

A rotorcraft of 1 200 kg MTOM or less and a maximum operational seating configuration of four persons.

Q: Which engine and propeller types are eligible for the Part 21 Light certification alternative?

A piston engine or fixed pitch propeller that is intended to be installed on an aircraft referred to in points (a) to (f) of paragraph 2 of Article 2.

Q: What is the maximum take-off mass and seating limit for an aeroplane to be eligible for the declaration of design compliance instead of a certificate?

An aeroplane of 1 200 kg MTOM or less that is not jet-powered and with a maximum operational seating configuration of two persons.

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Article 2 Certification of products, parts, appliances, control and monitoring unit and control and monitoring unit components

Regulation (EU) 2024/1108

1. Products, parts, appliances, control and monitoring units and control and monitoring unit components shall be issued with certificates as specified in Annex I (Part 21)

2. By way of derogation from paragraph 1, certificates may be alternatively issued as specified in Annex I (b) (Part 21 Light) for the following products other than unmanned aircraft:

(a) an aeroplane with a maximum take-off mass (MTOM) of 2 000 kg or less and a maximum operational seating configuration of four persons;

(b) a sailplane or powered sailplane of 2 000 kg MTOM or less;

(d) a hot air airship;

(e) a passenger gas airship designed for not more than four persons;

(f) a rotorcraft of 1 200 kg MTOM or less and a maximum operational seating configuration of four persons;

(g) a piston engine or fixed pitch propeller that is intended to be installed on an aircraft referred to in points (a) to (f); or

(h) a gyroplane.

3. By way of derogation from paragraphs 1 and 2, a declaration of design compliance may alternatively be made, as specified in Annex Ib (Part 21 Light), for the following products other than unmanned aircraft:

(a) an aeroplane of 1 200 kg MTOM or less that is not jet-powered and with a maximum operational seating configuration of two persons;

(b) a sailplane or a powered sailplane of 1 200 kg MTOM or less;

(d) a hot air airship designed for not more than four persons.

4. By way of derogation from paragraphs 1 to 3 of this Article, aircraft, including any installed product, part and appliance, which are not registered in a Member State shall be exempted from the provisions of Subparts H and I of Section A of Annex I (Part 21) and Subparts H and I of Section A of Annex Ib (Part 21 Light). They shall also be exempted from the provisions of Subpart P of Section A of Annex I (Part 21) and Subpart P of Section A of Annex Ib (Part 21 Light), except where aircraft identification marks are prescribed by a Member State.

Details

Source-Title: Article 2 Certification of products, parts, appliances, control and monitoring unit and control and monitoring unit components View latest amendments

Erulesid: ERULES-1963177438-3625 Compare versions

Domain: Initial airworthiness

Applicabilitydate: 1 May, 2025

Entryintoforcedate: 12 June, 2024

Regulatorysource: Regulation (EU) 2024/1108 Navigate

Regulatorysubject: Part-21, Part 21 Light, Cover regulation

Typeofcontent: DR (Delegated rule)

Origin: EASA

Category: EAR