| Harvard CO2 | High-Sensitivity Fast-Response CO2 Analyzer | Steven C. Wofsy (PI) | Gas chromatography | CO2 | AC, CD |
| HOx | Harvard Hydroxyl Experiment | James Anderson (PI) | Fluorescence, Laser absorption | OH, HO2 | HW, HO |
| MMS | Meteorological Measurement System | T. Paul Bui (PI) | | Wind, Turbulence, Temperature, Aircraft position | FP, MM |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species | James W. Elkins (PI) | Gas chromatography | CFCl3, CF2Cl2, CF2ClCFCl2, CH3CCl3, CCl4, Halon-1211, CHCl3, CH4, H2, N2O, SF6 | GC |
| FPCAS | FSSP-300 Aerosol Spectrometer | | | Aerosol Scattering Ratio | |
| Lyman Alpha-Hygrometer | Lyman Alpha-Hygrometer | Ken Kelly (PI) | | | |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer | Max Loewenstein (PI) | Spectrometer (in situ) | N2O, CH4, CO, O3 | N2 |
| CPFM | Composition and Photo-Dissociative Flux Measurement | C. Thomas McElroy (PI) | Radiometer, Spectrometer (in situ) | Solar flux | |
| O3 Classic (NOAA) | O3 Photometer Classic (NOAA) | Shang Liu (PI) | Photometer | O3 | |
| ClO/BrO | Multiple Axis Resonance Fluorescence Chemical Conversion Detector for ClO and BrO | James Anderson (PI) | Fluorescence | ClO, BrO | CL |
| ALIAS | Aircraft Laser Infrared Absorption Spectrometer | Lance Christensen (PI) | Laser absorption, Spectrometer (in situ) | N2O, H2O isotopes, H2O, CO, CH4, CO2 isotopes, HCl | AL |
| CNC | Condensation Nuclei Counter | James Wilson (PI) | CN counter | Cloud Condensation Nuclei | CN |
