FAA DDLS Technical Overview Of Program 2026-12-08
Updated
A PDF document (6.0 MB) attached to Domestic Datalink Services (DDLS) FY 2027 Industry Day December 8-10, 2026, from the Federal Aviation Administration. Due Nov 17, 2026, 2:00 PM (UTC-5).
File name: FAA DDLS Technical Overview Of Program 2026-12-08.pdf
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Federal Aviation
Administration
Technical Overview of the
Current Data Comm
Program
December 8, 2026
Topics
• Current Status of the Program
– Key Milestones of the Domestic CPDLC Program
– Current Implementation Status
• Tower Services (DCL)
• En Route Services (CPDLC)
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About the DCIS Contract
Protocol, Architecture, and Infrastructure
Use and Performance of Domestic CPDLC
Examples of Problems Encountered
CPDLC Stakeholders and Industry Engagement
Federal Aviation
Administration
Current Status of the Program
Federal Aviation
Administration
Key Milestones of the Program
• 09/2006: Program starts investigating alternatives for restarting Domestic Data Comm • 07/2008: Program gets authority to start the preliminary planning for a selected alternative • 05/2012: Agency commits funding for Tower Services (Departure Clearance) • 09/2012: Data Communications Integrated Services (DCIS) Contract is Awarded • 10/2014: Agency commits funding for the initial set of En Route CPDLC messages (Initial Services)
• 08/2016: Agency commits funding to the remaining set of En Route CPDLC messages (Full Services)
• 08/2022: Strategy Update: En Route Full Services deployment is broken into 3 increments: – Increment 1: messages involving less extensive training, – Increment 2: messages requiring classroom training,
– Increment 3: deferred messages requiring avionics fixes Federal Aviation
Administration
Status S1P1 Implementation
Acquisition Program Baseline (APB) Milestones
ERAM Preliminary Design Review (PDR)
APB Date
Actual Date
September 2011 September 2011
ERAM Critical Design Review (CDR)
March 2012
March 2012
FID: Final Investment Decision for ERAM & TDLS
May 2012
May 2012
DCIS Contract Award
July 2012
September 2012
TDLS Preliminary Design Review (PDR)
December 2012
October 2012
TDLS Critical Design Review (CDR)
August 2013
July 2013
ERAM Initial Test Release (ITR)
June 2014
April 2014
November 2015
March 2015
March 2016
August 2015
December 2016
December 2015
Operational Readiness Decisions (ORD)
April 2017
September 2015
Last-Site IOC
May 2019
December 2016
Operational Test (OT&E)
First-Site Initial Operational Capability (IOC)
In-Service Decision (ISD)
Delivered CPDLC to 55 airports 29 months ahead of schedule and $71.84M million under budget
•
Used some underrun to deliver CPDLC to an additional 7 airports (62 total) •
Used some underrun to upgrade air to ground RF services at 10 airports with enhanced availability / redundancy
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