Private Pilot for Rotorcraft Category Helicopter Rating › VII. Navigation › Task B. Navigation Systems and Radar Services

PH.VII.B.S5

Skill

Recognize loss of navigational signal and take appropriate action.

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

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Aeronautical Information Manual p. 1-2-1
Chapter 1. Air Navigation › Section 2. Performance-Based Navigation (PBN) and Area Navigation (RNAV) › 1-2-1. General
Section 2. Performance-Based Navigation (PBN) and Area Navigation (RNAV) Area Navigation (RNAV) 1-2-1. General a. Introduction to PBN. As air travel has evolved, methods of navigation have improved to give operators more flexibility. PBN exists under ... umbrella of area navigation (RNAV). The term RNAV in this context, as in procedure titles, just means “area navigation,” regardless of the equipment capability of the aircraft. (See FIG 1-2-1.) Many operators have upgraded their systems to obtain…
Aeronautical Information Manual p. 1-2-10
Chapter 1. Air Navigation › Section 2. Performance-Based Navigation (PBN) and Area Navigation (RNAV) › 1-2-4. Recognizing, Mitigating, and Adapting to GPS Jamming and/or Spoofing
Lateral navigation (LNAV) or circling minimum descent altitude (MDA); (b) LNAV/vertical navigation (LNAV/VNAV) DA, if equipped with and using approved barometric vertical navigation (baro-VNAV) equipment; (c) RNP 0.3 DA on an RNAV (RNP) IAP, if they are specifically authorized ... users using approved baro-VNAV equipment and the pilot has verified required navigation performance (RNP) availability through an approved prediction program. 2. If the above conditions cannot be met, any required alternate airport must have an approved instrument approach procedure…
Aeronautical Information Manual p. 1-2-8
Chapter 1. Air Navigation › Section 2. Performance-Based Navigation (PBN) and Area Navigation (RNAV) › 1-2-3. Use of Suitable Area Navigation (RNAV) Systems on Conventional Procedures and Ro…
Suitable Area Navigation (RNAV) Systems on Conventional Procedures and Routes a. Discussion. This paragraph sets forth policy, while providing operational and airworthiness guidance regarding the suitability and use of RNAV systems when operating on, or transitioning to, conventional, non-RNAV ... within the U.S. National Airspace System (NAS): 1. Use of a suitable RNAV system as a Substitute Means of Navigation when a Very-High Frequency (VHF) Omni-directional Range (VOR), Distance Measuring Equipment (DME), Tactical Air Navigation (TACAN), VOR/TACAN (VORTAC…
Instrument Procedures Handbook p. 6-3
Chapter 6: Airborne Navigation Databases › Airborne Navigation Database Standardization
Figure 6-3. FMS display. Modern FMS are capable of a large number of functions including basic en route navigation, complex departure and arrival navigation, fuel planning, and precise vertical navigation. Unlike stand-alone navigation systems, most FMS use several ... navigation inputs. Typically, they formulate the aircraft’s current position using a combination of conventional distance measuring equipment (DME) signals, inertial navigation systems (INS), GPS receivers, or other RNAV devices. Like stand-alone navigation avionics, they rely heavily on airborne…