Satcom : FAQ

FAQ

Do I need an iridium system if I have an HD-710?

The Iridium satellite constellation is completely independent of the Inmarsat constellation that the HD-710 utilizes. Unlike the Inmarsat 13 and 14 constellations, Iridium does not currently support Safety Services and does not provide a high speed data link. However, some operators may elect to install an Iridium system in addition to their HD-710 Inmarsat system to provide a backup voice channel for cabin communications.
How many handsets do I need?

The number of handsets is driven by the desired level of convenience for each passenger. It is most convenient to have a handset for each seat although it may be most practical to utilize a single handset for each seat grouping, with dedicated handsets for VIP seats. The CG-710 can support up to 99 handsets.

Related FAQ: How many phone lines are available?
How many phone lines are available?

The number of phone lines required is driven by three factors: cockpit phone requirements, privacy requirements, and simultaneous call requirements. One Classic channel is typically dedicated to the cockpit for ATC communications via the HD-710 4-wire interface. This interface is designed specifically for interface to flight crew headsets via a communication management unit (CMU). Standalone systems provide four additional “lines” for simultaneous cabin usage with a combination of VoIP, ISDN, and AMBE+2 protocols. Combined systems have additional Classic channels (2 – 6, depending on the existing Satcom system) that may be routed directly to specific seats if desired.

Related FAQ: How many handsets do I need?
How many wireless access points should I use in my Satcom cabin installation?

Honeywell recommends on CR-710 for every 50 feet of open cabin. This will provide approximately 50% overlap between hot spots. An additional CR-710 should be located on the other side of doors, away from the main cabin, where WiFi coverage is required.
What are the advantages of Honeywell Satcom?

Honeywell provides a completely turnkey Satcom solution that includes Satcom Terminal, Gateway, and Wireless Access Point(s); and provides both cabin connectivity for passengers and cockpit connectivity for FANS.
What does the term “Classic Safety Services” mean?

Classic Safety Services are the digital communication between Air Traffic Control and the Aircraft Cockpit. Currently, Safety Services are available over the Classic Aero H Inmarsat channels. These communications support FANS and CPDLC. Safety services text messages are usually available in the cockpit on the MCDU screen.
Which Satcom system do I need, Standalone or Combined Configuration?

Honeywell provides two types of HD-710, called Standalone Configuration and Combined Configuration. The Combined Configuration HD-710 is intended to be combined with an existing Honeywell SDU to create a complete Satcom system. The Standalone Configuration HD-710 “stands alone” as a complete Satcom system and does not require an external SDU. Both Combined and Standalone configurations require a separately supplied Type F DLNA and Antenna, approved by Inmarsat. Bottom line—if you have an existing Honeywell Satcom system, and want to upgrade to SwiftBroadband, the best solution is likely a Combined Configuration. If you do not currently have a Honeywell Satcom System, the best solution is usually a Standalone Configuration.

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