Mesaba Airlines Supplemental PIREPs Update

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Mesaba Airlines Supplemental PIREPs Update

• Great Lakes Fleet Experiment Update Meeting
• April 12, 2005

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Purpose of PIREP Collection Project

• Supplemental Data Set for use in Verification
  Studies
• Especially icing and turbulence
• Evaluate the Quality and Benefits of TAMDAR
  Observations compared to PIREPs
• E.g., Spatial and Temporal Resolution
• PIREP Comparisons to TAMDAR

3
Highlights

• 2322 PIREPs Collected (Through April 5th)
• Flight Modes
• Climb 773
• Cruise 865
• Descent 684
• 32 Moderate or Greater Turbulence Cases
• 25 Moderate or Greater Icing Cases

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Highlights (cont)

• Information on precipitation, cloud top altitude,
  and whether the aircraft was in cloud is also
  available
• Many very useful remarks from the pilots are also
  included
• Data available in tab deliminited ASCII flies.
• No QC on the data (yet)

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PIREP Form Example
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Temperature
7
Altitude (Flight Mode)
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Altitude (Turb and Icing)
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Icing
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Turbulence Locations
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Conclusion

• Very happy with the response from Mesaba Airlines
• Very useful supplemental data set being formed
• Working with FSL (B. Moninger and R. Collander)
  to match PIREPs with TAMDAR
• Quality control work starting in the next couple
  of weeks
• Later work Comparisons of PIREP and TAMDAR
  observations