Factor accounting for Drag due to Installations

Recommended values: 6-8 %

Note: Acceptable range is 0-100%

Airframe Installations include: air conditioning system inlets and outlets and momentum drag, antennas, lights, fuselage skin waves and leaks due to pressurization, fuel system (dumping provisions), APU installation, instrumentation, anti-icing (rubber boots), and windshield wipers.