1. Progress in Weather Observations
Airborne Meteorological Data Reporting
Airborne Turbulence Hazard Detection
Advanced Satellite Aviation-weather Products
Friends/Partners in Aviation Weather Forum
October 8, 2003
Paul Stough
NASA Langley Research Center

2. TAMDAR - Tropospheric Airborne Meteorological Data Reporting
Objective:
Develop means to expand automated airborne in-situ weather reporting
for altitudes below 25,000 ft.
FY 2003 Accomplishments:
Conducted sensor system flight tests on Naval Postgraduate School
Twin Otter and University of North Dakota Cessna Citation II
Performed wind tunnel tests, CFD flow studies, and humidity chamber
tests to refine sensor system design
Partnered with Mesaba Airlines for fleet evaluation in Great Lakes
Region
FY 2004 Plans:
Perform flight evaluations on NOAA WP3 and NASA C-206
Perform DO-160 testing and gain approval for Saab 340 installation
Install sensors on Mesaba aircraft and conduct fleet evaluation
Develop cockpit display

3. Airborne Turbulence Hazard Detection
Objective:
Develop en-route turbulence hazard prediction and warning technologies
for reducing injuries to passengers and crew
FY 2003 Accomplishments:
Completed aircraft warning experiment at CAMI
Validated Turbulence AutoPIREP algorithms on NASA B-757
Validated radar-based turbulence hazard metric for 8 transport types
Implemented several datasets and simulation tools for turbulence
technology certification process
Evaluated Lidar-based system on NASA DC-8
FY 2004 Plans:
Complete Turbulence AutoPIREP experiment with LaRC 757 and
Glenn Learjet.
Finalize certification process with FAA, implement and deliver all
datasets, models, and tools.

4. ASAP - Advanced Satellite Aviation-weather Products
Objective:
Develop methods to use advanced satellite atmospheric-sounding and
weather-observation capabilities to improve aviation weather products
being developed by the FAA Aviation Weather Research Program -
feasible products include convection, turbulence, icing, volcanic ash,
and winds.
FY 2003 Accomplishments:
Completed cost/benefits analysis for candidate products
Collected data sets during Pacific THORPEX
Teamed with FAA Aviation Weather Research Program
FY 2004 Plans:
Collect data sets during Atlantic THORPEX and AIRS II
Perform field evaluation of ASAP In-Flight Icing Algorithms