---
title: "ARA.DTO.100 – ARA.DTO.110: SUBPART DTO – SPECIFIC REQUIREMENTS RELATING TO DECLARED TRAINING ORGANISATIONS (DTOs) (Part-ARA) — rule index · Avioverse"
description: "ARA.DTO.100 – ARA.DTO.110, Regulation (EU) No 1178/2011. Upon receiving a declaration from a DTO, the competent authority shall verify that the…"
url: "https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto"
---

# SUBPART DTO – SPECIFIC REQUIREMENTS RELATING TO DECLARED TRAINING ORGANISATIONS (DTOs)

ANNEX VI (Part-ARA) · Aircrew · Regulation (EU) No 1178/2011 · ARA.DTO.100 – ARA.DTO.110

On this page

1. ## [ARA.DTO.100 Declaration to the competent authority](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-100)

   Upon receiving a declaration from a DTO, the competent authority shall verify that the declaration contains all the information specified in point…

   [AMC1 ARA.DTO.100(a) Declaration to the competent authority](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-100#amc1-ara-dto-100-a)

   [GM1 ARA.DTO.100(a) Declaration to the competent authority](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-100#gm1-ara-dto-100-a)

   [GM2 ARA.DTO.100(a) Declaration to the competent authority](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-100#gm2-ara-dto-100-a)

2. ## [ARA.DTO.105 Changes to declarations](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-105)

   Upon receiving a notification of a change to the information contained in the declaration of a DTO, the competent authority shall act in accordance with…

3. ## [ARA.DTO.110 Verification of compliance of the training programme](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-110)

   Upon receiving the training programmes of a DTO, and any changes thereto, notified to it in accordance with point DTO.GEN.115(c) of Annex VIII (Part-DTO)…

   [AMC1 ARA.DTO.110 Verification of compliance of the training programme(s)](https://avioverse.aero/regulations/easa/aircrew/part-ara/subpart-dto/ara-dto-110#amc1-ara-dto-110)

Consolidated from the EASA Easy Access Rules (revision 25 Nov 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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