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Aeronautical Information Services (AIS) Data Link Ernie R. Dash FAA EnRoute Wx Support (AvMet)‏ RTCA SC-206/EUROCAE WG-76 Harmonization – Thoughts by Ernie.

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Presentation on theme: "Aeronautical Information Services (AIS) Data Link Ernie R. Dash FAA EnRoute Wx Support (AvMet)‏ RTCA SC-206/EUROCAE WG-76 Harmonization – Thoughts by Ernie."— Presentation transcript:

1 Aeronautical Information Services (AIS) Data Link Ernie R. Dash FAA EnRoute Wx Support (AvMet)‏ RTCA SC-206/EUROCAE WG-76 Harmonization – Thoughts by Ernie - Todd 30 March 2009 Standards for Air Traffic Data Communications Services RTCA SC-214/EUROCAE WG-78 Todd Kilbourne FAA Data Comm Support (syst-eng)‏

2 2 Harmonization Issues - Status Current Status –OHA/OSA Approach –D-HIWAS –D-RVR –Overview Diagram Future –206/76 Deliverables

3 3 OHA/OSA Approach 206/76 following 214/78 agreed approach –Using safety calculations based on: DO-264/ED-78A, ESARR4 and FAA SMS (214/78) –Safety expertise now supporting 206/76 Chris Machin – EUROCONTROL Bill Carson – MITRE/CAASD Difference in OH organization 206/76 includes more EMMs

4 4 OH Comparison 206/76 needs to consider loss of service to >1a/c or loss of access to source data

5 EMM Comparison 206/76 EMMs214/78 EMMs / ECs EMM1 – ATS Communications Pilot-controller communications (i.e., voice or data) EMM – DOTIS-1: When entering the terminal airspace or approach area, the flight crew and controller shall exchange comply with for ATIS letter acknowledgment, runway to use, missing info update, weather update (if required), and altimeter setting (QNH) verification. Note: See ICAO Annex 11- § e), § and § EMM – DOTIS-2: At the commencement of final approach, the controller shall provide to the flight crew, significant changes in the surface wind direction and speed, latest information on wind shear and turbulence, and runway information (E.g. visual range value, sudden hazards, and runway surface conditions) Note: See ICAO 4444 §6.6.4 and §6.6.5 EMM2 - Alternative automated voice/data link services Equivalent to ATIS and VOLMET EC – DOTIS-6: ATIS and VOLMET information is provided, using voice broadcast (or an independent alternate source) EC – DOTIS-7: The operational content of voice-broadcast (or an independent alternate source) ATIS or VOLMET information is semantically identical to information provided in data link OTIS and are updated simultaneously EMM3 – On-Board Sensors: Sensors such as airborne weather radar and lightning detection systems EMM4 - Operator voice / data link services: AOC or Dispatch/Flight Following EMM5 – VMC Operation: Crew detects AIS/MET hazard directly by looking out the windshield.

6 6 D-HIWAS HIWAS is US centric. Current HIWAS provided by Flight Service FS21 system that converts text messages to voice for broadcast. Source text messages include: –Alert Wx Watch (AWW) – issued by Storm Prediction Center –Convective SIGMETs (WST) – issued by Aviation Wx Center (AWC)‏ –SIGMETs (WS) – issued by AWC –AIRMETs (WA) – issued by AWC –Center Wx Advisory (CWA) – issued by Center Wx Support Units (CWSUs)‏ –Urgent PIREPs (UUAs) – originated by pilots 206/76 OHA based on Hazard Avoidance (same hazards) – but not on current HIWAS text messages

7 7 206/76 MET Service – OHA Analyses

8 206/76 AIS Service - OHA Analyses AIS CategoryAeronautical UpdateBaseline Synch Aerodromes (Runway, Taxiway) X Deferred Terrain and Obstacle (All including Terminal) X Comm, NavAids (Safety of Flt, Surveillance Equipment) X Airspace (Routes, TMAs, Restricted Areas) X Services (Change in Hrs, Fuel/Customs Unavail) X Other (TBD) ??

9 9 D-RVR RVR observations are basis for Ops approval to land based on crew capabilities and aerodrome/aircraft equipage – Observations are available in real-time for voice relay by terminal/tower controllers 206/76 evaluated providing RVR observations in all three services (Planning, Near-Term and Immediate)‏ Assume for 214/78 OSD that D-RVR will only be an “advisory” or planning/monitoring type service –Not Controlling - ??

10 10 Data flow fixed Should Data request/reply be connected to ATSU System - ?? Overview Diagram

11 11 Future – 206/76 Schedule OSA/OHA draft by end of Jun plenary –Includes OHA for Part 23 and Part 25 Safety Targets/Objectives differ –D-RVR & D-HIWAS – preliminary OPA draft by end of Sep plenary SPR FRAC at Dec plenary Further work beyond Dec 09 under review

12 12 Questions ??


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