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  • Appendix B: Acronyms, Abbreviations, and NOTAM Contractions

    FLOWSIM—traffic flow planning simulation FM—from FMA—final monitor aid FMF—facility master file FMIS—FTS2000 management information system FMS—flight management system FNA—final approach FNMS—FTS2000 network management system FOIA—Freedom Of Information Act FONSI—finding ... request full route clearance FREQ—frequency FRH—fly runway heading FRI—Friday FRZN—frozen FSAS—flight service automation system FSDO—Flight Standards District Office FSDPS—flight service data processing system FSEP—facility/service/equipment profile FSP—flight strip printer FSPD—freeze speed…

  • 14 CFR § 121.321 Operations in icing.

    this section. (1) The airplane must be equipped with a certificated primary airframe ice detection system. (i) The airframe ice protection system must be activated automatically, or manually by the flightcrew, when the primary ice detection system indicates activation ... necessary. (ii) When the airframe ice protection system is activated, any other procedures in the Airplane Flight Manual for operating in icing conditions must be initiated. (2) Visual cues of the first sign of ice formation anywhere on the airplane…

  • Chapter 6: Aircraft Weight & Balance › Helicopter Weight & Balance › General Concepts

    Helicopter Weight & Balance General Concepts All the terminology and concepts that apply to airplane weight and balance also apply generally to helicopter weight and balance. However, there are some specific differences that need to be identified. Most helicopters have ... much more restricted CG range than airplanes. In some cases, this range is less than 3". The exact location and length of the CG range is specified for each helicopter and usually extends a short distance fore…