- One 16” aperture zenith instrument port
- One zenith radiometer boat capable of holding 2 radiometers or other similar sized instruments
- One 3” zenith radiometer or other similar sized instrument port
- One zenith KT-19 port
- One modifiable zenith Flight Engineer Hatch to support aerosol or radiometer instruments
- Various GPS antenna locations with splitters for instrument use
- Dropsonde delivery tube
- Free fall tube
- Pressurized sonobuoy launch tube
- 7 window ports for instrument and probe mounting (4 P-3 bubble windows and 3 DC-8 style windows)
- Modifiable nose radome and tailcone to support instrument installations
- Nose radomes and tailcones available with existing side looking 2.5” dia. ports
- Opening/closing bomb bay doors to support aerial deployments of instruments
- Unpressurized bomb bay instrument fairing (2 large nadir ports, 1 small nadir port, 6 oblique ports)
- 3 fuselage nadir instrument ports
- All nadir ports have seat track mounts on either side of each port
- Nadir #1 and Nadir #2 aperture plugs are interchangeable
- Off nadir side looking port with motorized door (located between Nadir #1 and Nadir #2)
- 10 wing pylon instrument mounts
- ~20 racks (10 double style racks) and ~30 instruments typically accommodated
- Standard equipment 19-inch racks available
- Optical windows available
- Air and aerosol sampling probes available
- 115V 60Hz and 400Hz power along with 28VDC power to experimenter stations and port locations
- Seating up to 24 experimenters and flight crew
- Airborne Science Data System data stream available at each experimenter station (GPS, timing, aircraft rates, airspeeds, met data, etc.):.
- Facility installation of a high precision EGI, the LN-251
- Facility installation of a fast response TAT probe
- Facility installation of a 3-Stage dewpoint Hygrometer
- Facility installation of a downward looking KT-19
- Facility 4K forward and Nadir Cameras.
- Onboard Wifi network for access to instruments and situational awareness tools in flight.
- INMARSAT and CERTUS SATCOM systems.
- VOIP phone service for in-flight calling to the ground
- Satellite based air to ground and air to air text messaging and data transfer
- Surface vessel AIS data available to experimenters (requires reactivation)
- Integrated flight station and cabin intercom system
- Dedicated flight station Iridium phone
- USB power ports in flight station and cabin
- Lavatory and galley available to experimenters
- Carry a total of 18,000lbs of payload
