The armored T-28 aircraft was flown by the South Dakota School of Mines and Technology (SDSMT). The data from these flights were collected by SDSMT under agreement with the National Science Foundation (NSF) Lower Atmospheric Observing Facility Program. This dataset includes NetCDF data for twelve T-28 flights flown during the 1993 North Dakota Tracer Experiment (NDTE) Project. The observational frequency for this dataset is 20 Hertz. To preview this dataset, click on the T-28 Instrumented Research Aircraft Data Archive link under Related Links, and click on the T-28 Data Visualization link.