AAF Baseline Instruments

The following instruments represent available capabilities. The needs of each field campaign will be assessed and additional instruments may be added upon request. For a list of past campaign instruments and their data, see the Airborne Observations instruments.

Examples of cabin configurations for the G-1 from past and upcoming campaigns are also available.

Payload Example from 2010
Payload Example from 2010
Payload Example from 2011
Payload Example from 2011
Payload Example from 2012
Payload Example from 2012
Payload Example from 2014
Payload Example from 2014

Aerosol Properties

Instrument Measurement Source/Supplier
3-Wavelength Particle Soot/Absorption Photometer (PSAP) Aerosol absorption coefficient 462, 523, 648 nm Radiance Research
Aerosol Isokinetic Inlet Sample stream of dry aerosol, sizes < 5 microns Brechtel
Cloud Aerosol and Precipitation Spectrometer (CAPS), Cloud Aerosol Spectrometer (CAS) Aerosol size distributions 0.5 to 50 μm Droplet Measurement Technologies
Condensation Particle Counter (CPC), Model 3010 Total aerosol concentration >0.010 μm Trust Science Innovation (TSI) Inc.
Condensation Particle Counter (CPC), Model 3775 Total aerosol concentration >0.004 μm Trust Science Innovation (TSI) Inc.
Dual-Column Cloud Condensation Nuclei Counter (CCN) Concentration of cloud condensation nuclei at two specified supersaturations Droplet Measurement Technologies
Humidigraph Aerosol scattering coefficient as a function of relative humidity 525 nm PNNL Build
Integrating Nephelometer, 3-Wavelengths, Model 3563 Aerosol scattering coefficient 450, 550, 700 nm Trust Science Innovation (TSI) Inc.
Laser Aerosol Spectrometer (LAS) - Model 3340 Aerosol size distribution 0.09 to 7.5µm Trust Science Innovation (TSI) Inc.
Optical Particle Counter (OPC) – Model CI-3100 Aerosol size distribution 0.7 to 15 µm Climet
Particle in Liquid System (PILS) Particle ionic composition BNL Build
Passive Cavity Aerosol Spectrometer-100X (PCASP) Size distribution 0.1 to 3 μm Particle Measuring Systems Inc. (PMS)
Scanning Mobility Particle Sizer Aerosol size distribution 0.015 to 0.450 μm BNL Build
Single Particle Soot Photometer (SP2) Soot spectrometry Droplet Measurement Technologies
Ultrafine Condensation Particle Counter (UCPC), Model 3025A Total aerosol concentration >0.003 μm Trust Science Innovation (TSI) Inc.
Ultra-High Sensitivity Aerosol Spectrometer – Airborne (UHSASA) Aerosol size distribution 0.060 to 1 µm Droplet Measurement Technologies

Atmospheric State and Aircraft State

Instrument Measurement Source/Supplier
Aircraft Integrated Meteorological Measurement System - 20 (AIMMS-20) 5-port air motion sensing: true air, speed, altitude, angle-of-attack, side-slip, temperature, and relative humidity Aventech
C-MIGITS® III (Miniature Integrated GPS/INS Tactical System) Inertial navigation system/global positioning system: position, velocity, attitude Systron Donner
Hygrometer – 1011B Dewpoint temperature Buck Research Instruments
GPS (Global Positioning System) DSM 232 Position and velocity at 10 Hz Trimble
Gust Probe 5-port air motion sensing: true airspeed, angle-of-attack, side-slip Goodrich Corporation
Hygrometer – 1011C Dewpoint temperature Buck Research Instruments
Hygrometer – CR2 Dewpoint temperature Buck Research Instruments
Video Camera – P1344 & P1347 Forward video images behind cockpit window; downward video images from fuselage bottom Axis
Rosemount 1201F1 Absolute pressure Goodrich Corporation
Rosemount E102AL/510BF Temperature Goodrich Corporation
Tunable Diode Laser Hygrometer (open path) Absolute humidity Port City Instruments
Tunable Diode Laser Hygrometer (dual/closed path) Absolute humidity Port City Instruments

Cloud Properties

Instrument Measurement Source/Supplier
2-Dimensional Stereo Probe (2D-S) Cloud particle size distribution 10 to 3,000 μm Stratton Park Engineering Company
Cloud Aerosol and Precipitation Spectrometer (CAPS), Cloud Imaging Probe (CIP) and Hotwire Cloud particle size distribution 25 μm to 1,550 μm and liquid water content Droplet Measurement Technologies
Cloud Droplet Probe (CDP), Version 2 Cloud particles size distribution 2 to 50 µm Droplet Measurement Technologies
Cloud Integrating Nephelometer (CIN) Cloud extinction and asymmetry parameter Gerber Scientific, Inc.
Cloud Particle Imager (CPI), version 2 High-resolution images of ice crystals and cloud droplets Stratton Park Engineering Company
Cloud Spectrometer and Impactor (CSI) Total condensed cloud water content Droplet Measurement Technologies
Counterflow Virtual Impactor (CVI) Sampling of cloud droplet residuals Brechtel/PNNL Build
Fast-Cloud Droplet Probe (F-CDP) Cloud particles size distribution 2 to 50 μm Stratton Park Engineering Company
Fast-Forward Scattering Spectrometer Probe (F-FSSP) Cloud particles size distribution 2 to 47 μm Stratton Park Engineering Company
High Volume Precipitation Spectrometer Version 3 (HVPS-3) Cloud particles size distribution 150 to 19,600 μm Stratton Park Engineering Company
Multi-Element Water Content System (WCM-2000) Liquid water content, total water content, and ice water content derived Science Engineering Associates, Inc.
Particle Volume Monitor-100A (PVM-100A) Cloud liquid water content Gerber Scientific, Inc.

Gas Phase Measurements

Instrument Measurement Source/Supplier
Cavity Ring Down G1301-M System Concentration of CO2, CH4, and H2O Picarro
N2O/CO -23r Concentration of CO, N2O, and H2O Los Gatos Research
O3 - Model 49i Concentration of O3 Thermo Scientific
Oxides of Nitrogen Concentration of NO, NO2, and NOy Air Quality Devices/BNL
SO2 - Model 43i-TLE Concentration of SO2 Thermo Scientific

Radiometric

Instrument Measurement Source/Supplier
Infrared Thermometer – Model KT1985 Infrared temperature Heitronics
Infrared Thermometer – Model KT1981 Infrared temperature Heitronics
Multifilter Radiometer (MFR) with a 1.6 μm channel Shortwave spectral irradiance Yankee/PNNL Modified
Pyrgeometer CGR-4 Infrared radiance Kipp & Zonen
Sunshine Pyranometer - SPN1 Total and diffuse irradiance Delta-T Devices
Sunshine Pyranometer, shading removed - SPN1 Total irradiance Delta-T Devices

Active instruments are currently deployed at fixed or mobile facilities or are available through the ARM Aerial Facility.

Retired instruments were deployed at one time at a fixed or mobile facility but are no longer being used. Historic data from these instruments are available; however, data are no longer being collected.