These bulletins describe the facilities, equipment, and services of the Research Aviation Facility, located at Jefferson County Airport in Broomfield, Colorado, and operated by the National Center for Atmospheric Research (NCAR) under the direction of the University Corporation for Atmospheric Re... Show moreThese bulletins describe the facilities, equipment, and services of the Research Aviation Facility, located at Jefferson County Airport in Broomfield, Colorado, and operated by the National Center for Atmospheric Research (NCAR) under the direction of the University Corporation for Atmospheric Research (UCAR). They are intended to guide scientists in making effective use of NCAR aircraft. This Bulletin sets forth the procedures to be followed for the design, fabrication, and approval of user-supplied research equipment to be flown on board NCAR/NSF aircraft. The installation of user-supplied research equipment is one of the more demanding and time consuming aspects of airborne research. Show less