B777 Science Modifications and Payload Accommodations

  • Zenith and nadir instrument ports
    • Nadir:
      • 4x Small ports. 27” x 19” rectangular, off centerline, angled at 28”
      • 2x Large ports. 44” x 40” rectangular, on centerline
    • Zenith:
      • None
  • Modified window ports for instrument and probe mounting
    • 4x modified windows, 23” x 16” oval
  • External antenna mounts
    • None
  • Wing pylon instrument mounts
    • None
  • Optical windows of various materials
    • Numerous options
  • Dropsonde delivery tube
    • NRD-41 and RD-41 capability
    • Sonobuoy (AXTCD or similar) capability
  • Air and aerosol sampling probes
    • Numerous options
  • Standard equipment 19-inch racks
    • Numerous available: DC-8 Style racks, HIAPER racks, WMD racks, JSC Racks, P-3 Racks all of various U capacity.
  • Laser chiller unit
    • None
  • Both 60 Hz and 400 Hz power available to experimenter stations
    • Yes, also 28V DC
  • Up to 20 racks and 25 instruments typically accommodated
  • Seating for up to 200 experimenters and flight crew

 

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