WG78SC214 SG Meeting Langen Germany

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Data Link Flight Information ServiceTask
ForceStatus Report
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Data Link Flight Information ServicesTask Force
(DFIS - TF)?

• Charter
• Approach/Methodology
• Members
• Work Conducted to Date
• Whats Next?

• EUROCAE WG-76 / RTCA SC-206 Plenary (Geneva)
• EUROCAE WG-78 / RTCA SC-214 Plenary 8
  (Toulouse)

14 25 Sep 2009
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DFIS Task Force Charter

• Develop SPRs to be incorporated into 214/78 SPR
• DFIS Applications include
• D-RVR (Data Link Runway Visual Range)?
• D-HZWX
• D-WSW (Data Link Wind Shear Warning)?
• D-MB (Data Link Micro Burst)?
• D-SAR (Data Link Special Air Report)?
• D-SIGMET (Data Link SIGMET)?
• D-WVR (Data Link Wake Vortex Report)?
• D-FLUP (Data Link Flight Information Update) - TBD

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Approach - Methodology

• Follow 214/78 SPR Process and Format
• Use ICAO Annex report templates if available
• Only addressing Immediate decision
  classifications (lt3 min)
• Distribute to both 206/76 and 214/78 WG members
  for review and comment
• Mature draft SPR by December 2009
• 214/78 responsible for FRAC

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DFIS TF Active Members

• Ernie Dash-AvMet (Co-Lead) 206/76
• Jane Hamelink-Thane (Co-Lead) 214/78
• Christian Bousmanne-EUROCONTORL (D-RVR Lead)
  214/78
• Wim Bronsema-EUROCONTROL 214/78
• Joe Bracken-AvMet 206/76
• Tenny Lindholm-NCAR 206/76
• Laurence Mutuel-Thales 206/76
• Marty Glatz-Lockheed Martin 214/78
• Todd Kilbourne-Thane, Inc 214/78

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Work Progress

• Work Conducted to Date
• First meeting on 9 July
• Bi-weekly Goto meetings / telecons
• Used D-OTIS OSD as template
• Following procedural footsteps of SC214/WG78
• Briefed SC214/WG78 SubGroup in Langen (Aug09)

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D-HZWX OSD

• Data Link Hazardous Weather Service (D-HZWX)?
• Timely alerts, warnings and updates
• changing hazardous weather conditions
• support appropriate flight crew decisions
• provided by voice today
• Flight critical weather information
• May affect the safety of aircraft operations
• En route and terminal weather information
• Highly dynamic and time sensitive

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D-HZWX OSD

• D-HZWX Components
• Wind Shear Warnings (D-WSW)?
• Micro Burst (D-MB)?
• Special Air Reports (D-SAR)?
• SIGMETs (D-SIGMET)?
• Wake Vortex Reports (D-WVR)?

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Data Link Wind Shear Warning (D-WSW)?

• Associated with
• Thunderstorms
• Frontal Surfaces
• Strong surface winds / topography
• Sea breezed fronts
• Mountain wave
• Low level temperature inversions

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Data Link Wind Shear Warning (D-WSW)? - cont
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Data Link Wind Shear Warning (D-WSW)? - cont

• Concise information on observed or expected
  existence of wind shear
• Where available
• TMA Only
• ENR/APT Use D-OTIS (ATIS and/or METAR)
• How available
• Contract, Broadcast(?)?

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Data Link Micro Burst (D-MB)?

• Downburst at or near the ground
• Outburst and damaging winds
• Extending 4 km (2.5 miles) across or less
• Short-lived, Small-scale
• Associated with convective activity
• Must be aircraft and location specific
• May require immediate escape actions by the pilot

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Data Link Micro Burst (D-MB)? - cont
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Data Link Micro Burst (D-MB)? - cont

• Where available
• TMA Only
• ENR/APT Use D-OTIS (ATIS and/or METAR)?
• How available
• Contract, Broadcast(?)?

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Data Link Special Air Reports (D-SAR)?

• Provide means for reporting flightcrew
  observations
• Up-link only
• Downlink handled elsewhere
• En-route, terminal and airport environments
• Capture by ground stations for dissemination
• To other flight or ground station deemed
  necessary
• Conditions
• Severe Turbulence, Icing, Mountain-wave
• Thunderstorms (with or without hail)?
• Dust Storm or sand storm
• Volcanic activity

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Data Link Special Air Reports (D-SAR)? - cont
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Data Link Special Air Reports (D-SAR)? - cont

• Where available
• En-Route, APT
• How available
• Demand, Contract

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Data Link SIGMET (D-SIGMET)?

• Provide information from meteorological watch
  office
• Occurrence or expected occurrence of specified
  en-route weather phenomena
• May affect the safety of aircraft operations
• Valid for up to four (4) hours
• Canceled when the phenomena no longer exists or
  expected to occur in the area

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Data Link SIGMET (D-SIGMET)? - cont
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Data Link SIGMET (D-SIGMET)? - cont

• Where available
• En-Route, APT
• How available
• Demand, Contract

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Data Link Wake Vortex Report (D-WVR)?

• En-route and terminal wake turbulence
• Safety hazard
• Capacity affects
• Lead aircraft broadcast of key wake dependent
  variables
• Follower aircraft determination of wake encounter

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Data Link Wake Vortex Report (D-WVR)? - cont
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Data Link Wake Vortex Report (D-WVR)? - cont

• Where available
• En-Route, TMA
• How available
• Contract

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Issues to Date

• Broadcast - ?
• VDL M2 does not support
• Keep as OR for future/other data communications
  technology
• Filtering
• Relative to flight path?
• Specific aircraft location must be known

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Issues to Date cont

• Urgency
• Which takes precedence?

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Whats Next

• Whats Next
• Disposition comments
• Refine / edit as necessary
• Address filtering issue(s)
• Proceed with OSA/OPA
• Goal
• Final document ready for review by December 09

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QUESTIONS
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