1. NEXCOM by
Bruce Eckstein
FAA

2. NEXCOM
The program to address NAS domestic A/G communications for voice and data
The FAA established the NEXCOM Program in May 1998
NEXCOM Program
is fully funded +
must address the spectrum congestion
US community supports
approved to implement VDL Mode 3 as the technological solution to spectrum congestion
currently acquiring a Multi-Mode radio
FAA Administrator asked the community for input on the current path
established NEXCOM Aviation Rules Committee (NARC)
Information has not been provided to the FAA or administrator
Due to FAA administrator in May 2001

3. Voice and Data Communications Implementation Path
2003
2004
2005
2006
Voice A/G
Subnetwork
Legacy Analog Voice Enroute
NEXCOM Digital Voice (VDL-3)
NEXCOM Analog Enroute
Nexcom Phased DEM/VAL
Data A/G
Subnetwork
VDL-2
VDL Mode 3
VDL-3 Data will be deployed and turned on per agreement in the RTCA Transition Implementation Plan
Data Applications
VDL Mode 2
PDC ATIS via ATN
CPDLC 1
CPDLC 1 A
CPDLC 2/ADL
25kHz Voice Radios
Avionics
25/ 8.33/ VDL-2 data/ VDL-3 Voice & Data
VDR 25/8.33/VDL-2 data
VDR 8.33/25kHz VDL-2/VDL-3

4. NEXCOM Program Strategy
2000
2002
2004
2006
2009
OUTCOME
JRC Decision
5/00
Radios for
MDR Deployment
Infrastructure
Sustainment
Ground Radio
MDR CA (7/01)
VDL-3
IOC
VDL-3 Evaluation
Prototype Development
VDL-3
Operational
Evaluation
VDL-3
VDL- 3 System
Development
Integrated
Voice & Data
JRC
Decision
9/04
Systems
Developed and
Digital Voice
Evaluated
RTCA SC 198 Con-Ops / Transition/
Implementation & Evaluation Plans
Avionics Development
(with FAA funding)
RTCA SC 172
VDL-3 SARPs MASP MOPs
Use
Commitment
and Aircraft
Equipage
for digital voice
AEEC Avionics Characteristics
Rules Development
User Equipage
Rules Published
VDL-3
VDL-3 Voice
Deployment
Spectrum
Relief
Available