Users Manual

ALL
EFFECTIVITY
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Page 5-9
22 Apr 2019
23-15-49
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ASPIRE-400
(a) Presence
(b) Correct functionality.
(3) Of the security SmartCard during:
(a) Normal-Switching-On
(b) Commanded self-test.
(4) The ACD ASGW:
(a) Obtains the latest Certificate Revocation List and ground certificates by issuing
an over the air HTTP GET to the PKI proxy server
(b) Checks the validity of the aircraft stored on the security SmartCard.
(5) At minimum for any of the following:
(a) Normal-Switching-On
(b) Air/Ground status changes from in-air to on-ground and current CRL expired
(c) Reset of the The air-ground VPN occurs for any reason.
(6) If unable to receive the Certificate Revocation List from the ground based PKI server, the
ACD ASGW uses the last received valid list for the purposes of logging on to a GSGW.
(7) The ACD does not provide a PKI Certificate expiry warning as expired Certificates are
handled automatically over-the-satellite.
J. PKI Certificate Request
(1) If the aircraft certificate on the Smart Card is detected to be:
(a) Absent (aircraft enrolment)
OR
(b) Within the expiration window defined in ORT
OR
(c) Expired.
(2) The AES:
(a) Posts the Certificate Signing Request (CSR) to the PKI proxy server defined in
ORT using an over the air HTTP POST
(b) Attempts to retrieve the required certificate using over the air HTTP GET to the
server
(c) Stores new certificate in the smart card.
K. Safety Voice Services
(1) ACD PBX function connects aircraft users with the Ground Safety voice network, which is
independent from the Ground ACARS gateway. Voice services are provided over circuit
switched and packet switched voice services. The underlying services are not expected
to be tariffed differently, and the service in use for a given call is largely transparent to the
user.
DRAFT
3rd rvw Draft as of:
29 January, 2020