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PIREP Data Flow in Live Operations:

  1. The vendor submits a PIREP pilot report via the SubmitPIREP web service.
  2. Leidos Flight Service receives the request and encodes the PIREP as either hazardous (urgent - UUA) or non-hazardous (routine - UA) based on the data in the PIREP.
  3. Leidos Flight Service submits a message to the FAA NAS (WMSCR) which sends it to NOAA IPSM.
  4. The Pireps PIREPs are displayed at the NOAA Aviation Weather Center (AWC): https://www.aviationweather.gov/airep.
  5. NOAA IPSM submits the sends ALL PIREPs to us as weather which is then displayed on the Flight Service Map. If the PIREP submission is accepted, it will be typically be displayed on our map within a minute.
  6. Leidos receives ALL PIREPs from NAS.Leidos Flight Service retains PIREPs for one hour.

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PIREPs are classified as either hazardous (urgent - UUA) or non-hazardous (routine - UA).

When Leidos receives a submitPirep web service to submit a PIREP, the PIREP is encoded as an urgent (UUA), if any of the following conditions are present:

  • Turbulence: SEV, EXTRM

  • Icing: SEV
  • Weather: FC, GS, GR, SHGR, VA, +FC, +GS, +GR, +SHGR, +VA
  • Remark: LLWS followed by an optional blank, then a "+" or "-" or a "+/-" followed by "dd", and dd has a value of 10 or more

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  • In the test lab, PIREPs are not sent to the FAA (WMSCR). The lab’s simulator is configured to always return a positive response to PIREP submissions. 
  • The PIREPs submitted via web service will not be displayed on the map in the test lab.
  • Vendors can test in the lab to verify that the request is properly validated by our system. 
  • Once PIREP submission is working in the lab, vendors can schedule a test with Leidos to verify that PIREPS are correct and will get translated into proper ”weather” that will show on the Leidos Flight Service map.
  • Email R-FFSP-WebServicesSupport@leidos.com to schedule a test.

Sending PIREP Web Service Requests to Leidos Flight Service

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