User's Manual

UL-801 Installation Manual
Page 106
23-20-06 15 December 2011
SCN 30.X Application Software
Application software version SCN 30.X is categorized as DO-178B Level C (Major). Level
C software is defined by DO-178B as “software whose anomalous behavior, as shown by the
system safety assessment process, would cause or contribute to a failure of system function
resulting in a major failure condition for the aircraft”.
SCN 10.X VHF Data Radio Application Software
VHF Data Radio Application software version SCN 10.X is categorized as DO-178C Level
C (Major). Level C software is defined by DO-178B as “software whose anomalous
behavior, as shown by the system safety assessment process, would cause or contribute to a
failure of system function resulting in a major failure condition for the aircraft”.
3. Instructions for Continuous Airworthiness, FAR 23.1529,
25.1529, 27.1529 and 29.1529
Our statement in compliance with FAR 23.1529, 25.1529, 27.1529 and 29.1529 follows:
Maintenance Requirements and Instructions for Continuous Airworthiness
SYSTEM: Universal Avionics Systems Corporation UniLink System
Modification of an aircraft by this Supplemental Type Certificate or Form 337 obligates the
aircraft operator to include the maintenance information provided by this document in the
operator’s Aircraft Maintenance Manual and the operator’s Aircraft Scheduled Maintenance
Program.
(1) Maintenance Manual information for the UniLink (system description, removal,
installation, testing, etc.) is contained in Universal Avionics Systems Corporation’s
(UASC) Installation Manual 23-20-06.
(2) Line Replaceable Unit (LRU) part numbers and other necessary part numbers
contained in the installation data package should be placed in the aircraft operator’s
appropriate aircraft Illustrated Parts Catalog (IPC). Refer to Equipment
Specifications, F. Electronic Part Marking, of this manual for additional parts
marking information.
(3) Wiring diagram information contained in the aircraft installation’s data package
should be placed into the aircraft operator’s appropriate aircraft Wiring Diagram
Manuals.
(4) Installation specific electrical drawings, mechanical drawings and miscellaneous
documents are listed on the data package Master Drawing List.
(5) The LRU’s location and access requirements are as defined by the installer.
(6) Revision to this document will be accomplished via Service Bulletins and/or
Installation Manual revision.
(7) The system performs full self-test BITE at each power on and any failures are
annunciated to the crew.