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King Air C90SE

King Air parked on a landing strip

The AEC King Air is de-ice and radar equipped, and is IFR certified. It is used by the Avionics Engineering Center for research and transportation missions.


  • Type: Twin engine, pressurized turboprop
  • Year: 1995
  • Engines: 2 P&W PT6A-21, 550 Shaft HP/ea.
  • Seats: 8 including flight crew
  • Dimensions: Wingspan 50'3", Length 56'6", Height 14'3"
  • Max takeoff weight: 10,100 lbs.
  • Fuel capacity: 384 gallons
  • Cruise speed at max cruise power: 243 kts. at 21,000'
  • Maximum altitude: 30,000'
  • Maximum range: 1,400 nautical miles

Research equipment/capabilities

  • 2 equipment racks: 19" wide, 41" high, 23" deep

Electrical power available

  • 140A @ 28VDC (power source for rack equipment and inverters)
  • 17.4A @ 115VAC, 60Hz (8.7A per rack)
  • 5.2A @ 115VAC, 400Hz
  • 4.8A @ 26VAC, 400Hz

Research antennas available

  • Glideslope
  • Sensor Systems S67-2002 radar altimeter
  • Outside air temperature probe
  • Sensor Systems S65-5366-7L L-Band (top and bottom of aircraft)
  • Comant CI-310-20 L-Band/UHF
  • L1/L2 GPS
  • Comant CI-490-1 Iridium SatCom/GPS
  • ACSS AT-910 TCAS directional
  • Additional 5"x9" antenna research pad on bottom of aircraft
  • Honeywell HG1150 navigation grade inertial reference unit

The King Air C90 has been used for the following research missions

  • ADSB: Traveled to Alaska and throughout the US to test the next generation air traffic control system.
  • Spaceport Range Safety project: Emulated a launch vehicle at the Kennedy Space Center to test new GPS tracking technology.
  • Synthetic Vision: Traveled to Alaska to demonstrate the Synthetic Vision display system in the mountainous terrain surrounding the Juneau airport.
  • Loran-C: Traveled to Alaska plus up and down the Atlantic seaboard to test new all-in-view Loran receiver technology and GPS/Loran-C antennas.