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Pilot-owner maintenance under Part-ML: what you may release yourself

Part-ML lets a qualifying pilot-owner carry out and release limited maintenance on their own light aircraft. The rules on who qualifies, which tasks are allowed and how to record them are precise.

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Who qualifies as a pilot-owner

A pilot-owner must hold a valid pilot licence (or equivalent) issued or validated by a Member State for the aircraft type or class rating, and must own the aircraft, alone or jointly.

The owner must be one of the natural persons on the registration form, or a member of a non-profit recreational legal entity shown as owner or operator on the registration document. That member must be directly involved in the entity's decision-making and designated by it to carry out pilot-owner maintenance.

The pilot-owner may issue a CRS after limited pilot-owner maintenance only for aircraft operated under Part-NCO (or, for balloons and sailplanes, the equivalent non-commercial cases).

Tasks a pilot-owner may not release

The pilot-owner may carry out simple visual inspections or operations to check the general condition, obvious damage and normal operation of the airframe, engines, systems and components. A task may not be released by the pilot-owner if it is a critical maintenance task, needs removal of major components, follows an AD or an airworthiness limitation item (unless these specifically allow it), or requires special or calibrated tools other than a torque wrench or crimping tool.

Also excluded: tasks needing test equipment or special testing such as NDT, unscheduled special inspections such as a heavy-landing check, work on systems essential for IFR operations, complex tasks listed in Appendix III, and tasks forming part of the 100-hour or annual check. Less restrictive instructions in the AMP cannot override these limits.

Preparing the aircraft for flight as described in the flight manual, such as rigging sailplane wings or a preflight inspection, is not maintenance and needs no CRS.

Questions fréquentes

What must the pilot-owner's CRS contain?

It is entered in the logbooks and gives basic details of the work, the maintenance data used, the completion date, and the identity, signature and pilot licence number of the pilot-owner.

Do I have to tell my CAMO or CAO?

Yes, if a contract exists. The pilot-owner must inform the contracted CAMO or CAO no later than 30 days after completing the pilot-owner maintenance tasks.

Who releases the complex tasks I cannot sign off?

Complex maintenance tasks listed in Appendix III, such as certain structural repairs by riveting, bonding, laminating or welding, must be released by an approved maintenance organisation or by independent certifying staff.

Pour les développeurs et les agents

Intégrer / API / MCP

Branchez cette base à Claude, Cursor, ChatGPT ou votre propre application. Chaque requête API ou MCP coûte 0,10 €, débitée de votre crédit Kopik (non facturée si rien n'est trouvé). Il vous faut une clé API : créez-la depuis votre tableau de bord.

MCP pour vos agents

Adresse du serveur MCP de cette base (outils ask_base et search_base) :

URL MCP
https://kopik.io/api/mcp?base=eu-easa-continuing-airworthiness-ml-66
Claude Code, Cursor et autres clients
Claude Code
claude mcp add --transport http kopik-eu-easa-continuing-airworthiness-ml-66 "https://kopik.io/api/mcp?base=eu-easa-continuing-airworthiness-ml-66" --header "Authorization: Bearer kpk_…"
Configuration JSON (mcpServers)
{
  "mcpServers": {
    "kopik-eu-easa-continuing-airworthiness-ml-66": {
      "url": "https://kopik.io/api/mcp?base=eu-easa-continuing-airworthiness-ml-66",
      "headers": {
        "Authorization": "Bearer kpk_…"
      }
    }
  }
}

API REST pour vos applications

mode vaut "answer" (réponse rédigée + sources) ou "passages" (passages bruts seulement). Ajoutez un maxPriceCents facultatif pour plafonner le prix : si la base coûte plus cher, l'appel est refusé sans rien débiter.

curl
curl -X POST https://kopik.io/api/v1/bases/eu-easa-continuing-airworthiness-ml-66/query \
  -H "Authorization: Bearer kpk_…" \
  -H "Content-Type: application/json" \
  -d '{"question": "Votre question ici", "mode": "answer"}'

Pour commencer

  1. Créez une clé dans votre tableau de bord et rechargez votre crédit.
  2. Remplacez kpk_… par votre clé.
  3. Tout le détail (réponses, erreurs, exemples JS et Python) : documentation développeurs.