generated: '2026-07-28'
method: searched
source: live probes of every CAA host in apis.yml, review.yml and the OpenAPI servers[]
description: >-
  Results of probing the /.well-known/ discovery surface plus /llms.txt for every
  host the UK Civil Aviation Authority operates that appears in apis.yml, in the
  review probe log, or in the OpenAPI servers[]. Status is the HTTP code observed
  on 2026-07-28. Only documents that returned a real, correctly-typed payload were
  saved verbatim; every 404 on www.caa.co.uk returns the site's 20,449-byte HTML
  404 page, which is recorded as a 404 rather than a document.
hosts:
  - host: https://www.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 200
        type: text/plain
        file: uk-caa-security.txt
        note: RFC 9116. Contact routes to the Vulnerability Reporting Form; Expires 2027-04-01T12:30:00.000Z.
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 200
        type: text/plain
        file: ../llms/uk-caa-llms.txt
        note: >-
          Provider-published llms.txt (8,201 bytes). Not referenced anywhere in the
          CAA's own navigation; found by direct probe on 2026-07-28. Carries an
          explicit AI-usage section ("No permission for model training without
          consent") and an attribution instruction.
  - host: https://www.atol.org
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /llms.txt
        status: 200
        type: text/plain
        file: ../llms/uk-caa-atol-llms.txt
        note: >-
          Provider-published llms.txt (12,338 bytes) for the CAA's ATOL consumer
          site. atol.org is the destination the CAA's own llms.txt links to for
          ATOL protection and Check an ATOL.
  - host: https://consultations.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404
  - host: https://ginfoapi.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404
  - host: https://aircraftapi.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404
  - host: https://portal.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
        note: >-
          portal.caa.co.uk redirects to sso.caa.co.uk (ADFS WS-Federation). No OIDC
          discovery document is served at the portal host.
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404
  - host: https://register-drones.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404
  - host: https://airspacechange.caa.co.uk
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
      - path: /llms.txt
        status: 404