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AEROSPACE TECHNOLOGIES
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Important Reminder for Gulfstream Operators Upgraded to ASC 912 or Later
Important Reminder for Gulfstream Operators Upgraded to ASC 912 or Later
Operators Can Receive an Unrestricted Navigation Database
Gulfstream operators with ASC 912 or later can now receive unrestricted navigation and electronic charts databases. To receive an unrestricted INDS database, operators must notify Honeywell Aviation Services of the upgraded ASC
Prior to ASC 912 (currently 912-B), operators were unable to load the entire navigation database and electronic charts database due to memory limitations in the Advanced Graphics Module (AGM). As the databases became larger, the number of filtered airports began to impact more operators. This impact resulted in the need to remove airports with runway lengths of 5,000 feet or less from the navigation database and 7,000 feet or less from the electronic charts database. ASC 912 reallocated memory to enable full navigation database and chart loading.
ASC 912-B also provides the following benefits:
- Resolves the latency timer functionality that prevented the aircraft from meeting North Atlantic Performance-Based Communication and Surveillance data link requirements.
- Raises the software level of the AGMs to Mod B (required for interfacing with FMS)
- Adds several parameters to the Digital Flight Data Recorder (DFDR).
- Adds the active/not active state of the CHECK PFD 1-2 red Crew Alerting System (CAS) message and the data required to determine magnetic or true heading selection.
- Inhibits the NIC 3 and/or NIC 5 LAN NETWORK FAIL Central Maintenance Computer (CMC) message(s) with a new Loadable Diagnostics Information (LDI) file. These messages will no longer be reported when both are present.
ASC 912-B introduced one anomaly in the system, which caused minor discrepancies in the aircraft’s displayed position on airport charts and synthetic vision. ASC 912-C, however, will be available soon and corrects this anomaly. For release timing, please visit mygulfstream.com.
Please contact Flight Technical Services with any questions at FTS@honeywell.com.
Program Pilot David Rogers supports EPIC and NG FMS-equipped Cessna and Gulfstream aircraft for Honeywell Flight Technical Services. He can be reached via email at David.Rogers@honeywell.com.
