The minimum crew is a pilot, co-pilot, and flight engineer. Two additional seats are typically avaliable for a flight scientist and an observer. The cabin size is approximately five feet in diameter and more than 16 feet in length
The data system always records basic parameters such as position, altitude and speed. The meteorological package includes measurements of temperature, dew point temperature, pressure and wind. The three-dimensional wind field algorithms use measurements of acceleration, pitch, roll and yaw combined with angle of attack, angle of sideslip and airspeed measurements. An Applanix POS-AV strap-down gyro system, with integrated global positioning system (GPS), provides the ground relative parameters, while the gust probe provides the air relative parameters. Software calculates the turbulance intensity from differential pressure transducer measurements.
The cabin can accommodate the installation of instruments provided by outside investigators. Several 19-inch racks are available to accommodate standard instruments with space available for additional project instruments. A KVM switch and time sync are available for guest data systems.