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Surveillance and Broadcast Services. ADS-B Status Briefing: ASAS TN2. Vincent Capezzuto. April 14, 2008. Agenda. Dual Track Strategy Requirements Acquisition Status Activity Description Rulemaking Status NPRM Air-to-Air Applications Discussion Points. Deploy Ground Infrastructure.

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surveillance and broadcast services

Surveillance and Broadcast Services

ADS-B Status Briefing: ASAS TN2

Vincent Capezzuto

April 14, 2008

agenda
Agenda
  • Dual Track Strategy
  • Requirements
  • Acquisition Status
    • Activity Description
  • Rulemaking Status
    • NPRM
  • Air-to-Air Applications
  • Discussion Points
dual track strategy
Deploy Ground Infrastructure

Essential Services ISD

Dual Track Strategy

Ground Infrastructure

2/2006 – 11/2006

11/2006 – 8/2007

4/2008 – 3/2010

10/2009 – 4/2010

9/2010

2/2008 – 1/2009

Test Ground Infrastructure / Voluntary Avionics Equipage

Initial Operating Capability

Critical Services ISD

Acquisition Planning

Acquisition Execution

11/2008

2010 – 2013

Ground Infrastructure Deployment

Pre-NPRM Separation Standards Modeling

Separation Standards Approval

Avionics Equipage

4/2010

1/2007 – 8/2007

Avionics Equipage

2010 – 2020

Avionics Equipage Begins

RPR Phase I

RPR Phase 3

RPR Phase 2

Final Rule

NPRM

4/2010

5/2010

3/2008 – 2/2009

4/2006 – 9/2006

10/2007

= In Process

= Completed

RPR = Rulemaking Project Record; NPRM = Notice of Proposed Rulemaking; ISD = In-Service Decision

acquisition status implementation activities
Acquisition Status: Implementation Activities

Began process for transmit authorization for eleven SV 168 (Miami) Radio Stations

Planned for April 30 through Special Temporary Authorization (STA)

Permanent FTA processing underway in parallel

Supported installation of SDP equipment rack at ZMA, ZJX, and MIA TRACON

En Route Communications Gateway (ECG) connection for radar data for TIS-B is awaiting completion of ECG System Support Modification

Coordinating with ITT for site surveys of SDPs

6 oil platforms surveyed for surveillance and AWOS (an estimated 17 total platforms will be surveyed before April 30)

SDF, ZID, PHL, ZHU, ZNY, ZDC, & PCT targeted for summer 08

NCPs and installation plans are in planning stages

itt radio station infrastructure ground site
ITT Radio Station Infrastructure (Ground Site)

Propane tank

2 GPS antennas

Backup generator

Enclosure

Environmental control

acquisition status implementation issues
Acquisition Status: Implementation Issues
  • Issues
    • Several sites held up in National Environmental Protection Act (NEPA) process
    • FTA approvals expected end of April for initial sites & May for others
  • Key Site SAT
    • On schedule – no margin in schedule
    • SAT start – May 15, 2008 and SAT complete – May 30, 2008
    • Only 91 days after SAT completion until IOC (no slack)
  • Required Work Around
    • Two sites on portable towers (COWs) until July due to NEPA
    • COWs are in precisely the same locations as the permanent towers
    • Transition two sites from COWs to permanent tower between SAT and IOC
    • Must ensure transition does not interfere with Field Fam efforts

COW (Cell On Wheels)

acquisition status scheduled on air dates
Acquisition Status: Scheduled On-Air Dates

ZJX

Lakeland Linder Regional Airport

Sebastian Municipal Airport

Boca Raton Airport

Dade-Collier Airport

ZMA / MIA

Florida Keys Marathon Airport

nprm status
NPRM Status
  • The NPRM comment period closed on March 3, 2008
  • The FAA has categorized the comments that were received
    • Number of Submittals (excluding FAA / DOT) = 172
      • Excludes duplicates, Department of Transportation and requests for extension
    • Number of Comments = 1,372 (101 positive, 1,271 non-positive)
    • Number of Issues = 85
arc formation of working groups
ARC Formation of Working Groups

Notes: This will be further defined in the next few days. Only non-positive comments were assigned to working groups.

significant comment summary
Significant Comment Summary

Source: Bruce DeCleene Summary Memo, March 25, 2008

significant comment summary16
Significant Comment Summary

Source: Bruce DeCleene Summary Memo, March 25, 2008

fy08 conference mark
FY08 Conference Mark
  • Conference Mark provides for a total of $110,000,000
  • Specific Conference Language:
    • The conference agreement provides $85,650,000 for ADS-B, instead of $90,650,000 as proposed by the House and $97,354,000 as proposed by the Senate. The conferees direct FAA to examine the frequency congestion issues associated with the ADS-B signal, and accelerate the effort to determine how existing aircraft separation standards can be safely reduced.
    • The conference agreement provides $9,350,000 for the ADS-B program specifically to expedite air to air capabilities.
  • The FAA received the funding in January 2008
airborne separation assistance system asas and asas applications
Airborne Separation Assistance System (ASAS) and ASAS Applications
  • ASAS: “An aircraft system based on airborne surveillance that provides assistance to the flight crew supporting the separation of their aircraft from other aircraft.”
  • ASAS application: “A set of operational procedures for controllers and flight crews that makes use of an Airborne Separation Assistance System to meet a defined operational goal.”

Reference: ICAO ASAS Circular

asas applications categories
ASAS Applications Categories
  • Airborne Traffic Situational Awareness (Category I)
  • Airborne Spacing (Category II)
  • Airborne Separation (Category III)
  • Airborne Self-Separation (Category IV)

Reference: The ‘Principles of Operation for the Use of ASAS (PO-ASAS)’ - June 2001 - Action Plan 1 of the FAA/EUROCONTROL R&D Committee)

process for selecting applications
Process for Selecting Applications

Identify NAS needs (Problems)

Portfolio of applications from existing sources

Decompose into sub-problems

PHASE 1 Application Characterization

Is application a subset of / traceable to an existing AIWP application?

Map sub-problems to required capabilities

Refer to AIWP

Yes

Identify applications to support capabilities

No

Is application description sufficient to enable business case analysis?

Develop/Refine application description

No

Yes

Eliminate applications below minimum threshold

Conduct business case analysis

PHASE 2 Application Prioritization

Rank application based on business case results

Steering Committee requires mods to prioritized list?

No

Timeline of Applications

Yes

acceleration of future air to air applications
Acceleration of Future Air-to-Air Applications
  • En Route 3nm Separation
  • In-Trail Procedures
  • ATSA Conflict Detection on the Surface
  • Flight Deck Merging and Spacing
  • ASAS Forum
1 en route 3nm separation
1. En Route 3nm Separation

ADS-B accuracy and update rate should allow a reduction in en route separation from 5 nm to 3 nm

Initial Application: reduce delays that occur because of the transition area between sectors that have different separation standards. Currently, terminal sectors have 3 nm separation and en route sectors use 5 nm separation. Aircraft cannot instantaneously change separation at the border between terminal and en route. Reducing the separation standard en route will remove any transition area and allow full use of 3 nm separation in terminal airspace thereby reducing delay.

Mature Application: ADS-B separation en route operating with other NextGen programs (e.g. Datacom) will allow an increase in en route sector capacity. This increase in capacity should prevent future en route delays caused by overloaded sector capacity.

En route Airspace 5 nm Separation

Transition Area effective separation < 5 nm but >3 nm

Terminal Airspace 3 nm Separation

slide25
2. ADS-B In-Trail Procedures Following Climb Example
  • ADS-B In-Trail Procedures are airborne ADS-B enabled climbs and descents through otherwise blocked flight levels
  • ADS-B In-Trail Procedures
    • Controller separates aircraft using information derived from cockpit sources and relayed by the flight crew to the controller
    • Receipt of ADS-B data from surrounding aircraft; use of a cockpit display and software provides data to qualify the aircraft for the maneuver
      • No airborne monitoring during climb required
      • Controller retains responsibility for separation and approves or disapproves the request based on the controller’s awareness of the full traffic picture

FL360

FL350

FL340

Standard Separation

blue = ADS-B transceiver and onboard decision support system

red = ADS-B out minimum required

5 airborne separation assistance system asas forum
5. Airborne Separation Assistance System (ASAS) Forum
  • What is ASAS?
    • ASAS is a new technique which, via airborne and/or ground surveillance, presents a flight crew with a traffic picture
    • The flight crew may then use the information in a defined way to achieve some operational benefit. This use is defined as an ASAS application and may range from enhanced see and avoid to an aircraft managing its own separation.
  • Objective of the ASAS Forum
    • To accelerate the implementation of ASAS applications in the United States focused on increased airspace capacity and safety
  • Approach
    • Series of workshops on key ASAS issues and Research and Development leading to standards and certification
    • Knowledge Sharing
    • Stimulate academic / industry base / international community for mining creativity
senate discussion
Senate Discussion
  • Given $9.3M, how should the FAA move forward?
    • Option 1: In-Trail Procedures ($9.3M)*
    • Option 2: En Route 3nm Separation + ATSA Conflict Detection on the Surface ($9.0M)*
    • Option 3: En Route 3nm Separation + FDMS + ASAS Forum ($8.6M)*
    • Option 4: En Route 3nm Separation + In-Trail Procedures + ATSA Conflict Detection on the Surface + FDMS + ASAS Forum ($21.5M, including task overhead)

*Note: These figures does not include task overhead

thank you
Thank You

Achieving results through coordinated international collaboration

acquisition status essential services factory acceptance test e fat
Acquisition Status: Essential Services Factory Acceptance Test (E-FAT)
  • Verifies compliance of Essential Services equipment with Essential Services Specification
  • Completion of development activities delayed start of E-FAT by one month
  • Test Readiness Review Completed on 3/13/08
  • E-FAT formal test began on 3/19/08
  • E-FAT activities scheduled for 4 weeks
    • Efforts to finalize procedures and complete development activities likely to extend E-FAT another 2 – 4 weeks
itt radio station infrastructure antennas
ITT Radio Station Infrastructure (Antennas)

UAT Antenna

Two 1090 (directional)

Two 1090 (directional)

UAT Antenna

1030 Receive Antenna

itt radio station infrastructure antennas47
ITT Radio Station Infrastructure (Antennas)

UAT omni

dBs 5100A

1030 (9dBi)

GD 101V @ 50 deg. HPBW

1090

Pair

UAT omni

1090 Pair of

dBs 5100A-D

Nominal Installation : 3 ft pole dia. & 6 ft. arms

1030 at 45o to mounts between UAT & 1090 pair

1090s are in pairs mounted at 90o aimed at 4 sectors

UAT is ~91o &10’ from nearest 1090 boresight

UAT is ~58o & 6.5’ from 1030 boresight

1030 is ~128o & 6.5’ behind 1090 boresight

1090 is ~50o minimum off the 1030 boresight

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