User's Manual

UL-801 Installation Manual
Page A1-2
23-20-06 15 December 2011
Acronym/Abbreviation/Term Description
CRC Cyclic Redundancy Check
CSDB Commercial Standard Data Bus (Data Interface Format
Standard)
CTS Clear to Send
CVFDR Cockpit Voice and Flight Data Recorder (UASC)
CVR Cockpit Voice Recorder
D-ATIS Digital Automatic Terminal Information System (also
referred to as ATIS)
DEPT CLX Departure Clearance
DLSP Datalink Service Provider (also referred to as DSP)
DM Downlink Message
DP Display Processor
DPSK Differential Phase Shift Keying
DTU Data Transfer Unit (UASC)
DTU-100 Data Transfer Unit-100 (UASC)
DSP Datalink Service Provider (also referred to as DLSP)
EFB Electronic Flight Bag
EFI Electronic Flight Instrument
EFI-890R Electronic Flight Instrument-890R (UASC)
EMI Electromagnetic Interference
ETA Estimated Time of Arrival
ETD Estimated Time of Departure
EXP Expected
EUROCAE European Organisation For Civil Aviation Equipment
FAA Federal Aviation Administration
FANS Future Air Navigation Systems
FL Flight Level
FLT NO Flight Number
FMC Flight Management Computer (UASC)
FMS Flight Management System (UASC)
FPL Flight Plan
FREQ Frequency
FSK Frequency Shift Keying
GND SPD Ground Speed
GNSS Global Navigation Satellite System
GPS Global Positioning System