What should an operator demonstrate to the competent authority when wet leasing-in a third-country registered aircraft and not applying EU safety requirements for air operations and continuing airworthiness?

The operator should demonstrate that the standards complied with are equivalent to the requirements listed in points (a) to (g) of AMC1 ORO.AOC.110(c), covering Part-CAT/Part-IAM, Part-ORO (specific subparts), Part-SPA, Part-CAMO, Part-145, Part-26, and a full description of flight time limitation schemes, operating procedures, and safety assessment.

Which specific Part-ORO subparts and points must be covered when demonstrating equivalence for a wet lease-in from a third-country operator?

The Part-ORO requirements are: ORO.GEN.110 and Section 2 of Subpart GEN; ORO.MLR (with a specific allowance for ORO.MLR.105); ORO.FC; ORO.CC (excluding ORO.CC.200 and ORO.CC.210(a)); ORO.TC; ORO.FTL (including related CS-FTL) for aeroplanes; and ORO.SEC.

Which continuing airworthiness management regulation applies to the third-country operator during a wet lease-in period?

Annex Vc (Part-CAMO) to Commission Regulation (EU) No 1321/2014 applies for continuing airworthiness management of the third-country operator.

What maintenance organisation standard must the third-country operator's maintenance organisation meet during the lease period?

The maintenance organisation used by the third-country operator during the lease period must meet Annex II (Part-145) to Commission Regulation (EU) No 1321/2014.

Are retroactive airworthiness requirements included in the equivalence demonstration for a wet lease-in from a third-country operator?

Yes, retroactive airworthiness requirements in accordance with Part-26 are included in the list of requirements for which equivalence must be demonstrated.

Which annexes of the relevant regulations cover aeroplanes and helicopters versus VCA for the equivalence demonstration?

Annex IV (Part-CAT) applies for aeroplanes and helicopters, and Annex IX (Part-IAM) applies for VCA, as applicable.

In the wet lease-in equivalence demonstration, which Part-ORO subpart is excluded from the ORO.CC requirements?

ORO.CC.200 and ORO.CC.210(a) are excluded from the ORO.CC requirements.

Does the equivalence demonstration for a third-country wet lease-in include flight time limitations for helicopters?

No, ORO.FTL (including related CS-FTL) is listed only for aeroplanes in the equivalence requirements.

AMC1 ORO.AOC.110(c) Leasing agreement

Q: For the MEL requirement under ORO.MLR.105 in a third-country wet lease-in, what may the operator demonstrate to the competent authority instead of full compliance?

The operator may demonstrate that the standards complied with require the establishment of a MEL based on a MMEL validated by the State of Registry, and including rectification intervals and operational and maintenance procedures.

Q: What additional documentation must the operator provide to the competent authority to support the equivalence demonstration?

The operator should provide a full description of the flight time limitation scheme(s), operating procedures, and safety assessment demonstrating compliance with the safety objectives set out in points (b)(1)-(6) of AMC1 ORO.AOC.110(c).

Navigate / EASA

Ask question Discover more Add to collection

AMC1 ORO.AOC.110(c) Leasing agreement

ED Decision 2025/010/R

WET LEASE-IN AGREEMENT WITH A THIRD-COUNTRY OPERATOR

If the operator is not intending to apply EU safety requirements for air operations and continuing airworthiness when wet leasing-in an aircraft registered in a third country, it should demonstrate to the competent authority that the standards complied with are equivalent to the following requirements:

(a) Annex IV (Part-CAT) for aeroplanes and helicopters, or Annex IX (Part-IAM) for VCA, as applicable;

(b) Part-ORO for aeroplanes, helicopters or VCA, as applicable:

(1) ORO.GEN.110 and Section 2 of Subpart GEN;

(2) ORO.MLR — Regarding point ORO.MLR.105, the operator may demonstrate to the competent authority only that the standards complied with require the establishment of a MEL based on a MMEL validated by the State of Registry, and including rectification intervals and operational and maintenance procedures;

(3) ORO.FC;

(4) ORO.CC, excluding ORO.CC.200 and ORO.CC.210(a);

(5) ORO.TC;

(6) ORO.FTL, including related CS-FTL, for aeroplanes; and

(7) ORO.SEC;

(d) for continuing airworthiness management of the third-country operator, Annex Vc (Part-CAMO) to Commission Regulation (EU) No 1321/2014[61];

(e) for the maintenance organisation used by the third-country operator during the lease period: Annex II (Part-145) to Commission Regulation (EU) No 1321/2014[62];

(f) retroactive airworthiness requirements in accordance with Part-26; and

(g) the operator should provide the competent authority with a full description of the flight time limitation scheme(s), operating procedures and safety assessment demonstrating compliance with the safety objectives set out in points (b)(1)-(6).

[61] Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (OJ L 362, 17.12.2014, p. 1).

[62] Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (OJ L 362, 17.12.2014, p. 1).

Details

Source-Title: AMC1 ORO.AOC.110(c) Leasing agreement View latest amendments

Erulesid: ERULES-1963177438-12178 Compare versions

Domain: Air operations

Applicabilitydate: 9 July, 2025

Entryintoforcedate: 9 July, 2025

Regulatorysource: ED Decision 2025/010/R Navigate

Regulatorysubject: Part-ORO

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Parentir: ORO.AOC.110 Leasing agreement

Origin: EASA

Category: EAR