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

CH.VII.B.S2

Skill

Determine the aircraft's position using the navigation system.

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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.

From the FAA library

Aeronautical Information Manual p. 1-2-9
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…
assessment of the DME navigation infrastructure. c. Uses of Suitable RNAV Systems. Subject to the operating requirements, operators may use a suitable RNAV system in the following ways. 1. Determine aircraft position relative to, or distance from ... radial, TACAN course, NDB bearing, or compass locator bearing intersecting a VOR or localizer course. 2. Navigate to or from a VOR, TACAN, NDB, or compass locator. 3. Hold over a VOR, TACAN, NDB, compass locator…
Aeronautical Information Manual p. 1-1-22
Chapter 1. Air Navigation › Section 1. Navigation Aids › 1-1-17. Global Positioning System (GPS)
speed and drift angle, using the aircraft compass system as its directional reference. Doppler is less accurate than INS, however, and the use of an external reference is required for periodic updates if acceptable position accuracy is to be achieved ... long range flights. 1-1-17. Global Positioning System (GPS) a. System Overview 1. System Description. The Global Positioning System is a space-based radio navigation system used to determine precise position anywhere in the world. The 24 satellite constellation…
Aeronautical Information Manual p. 4-5-12
Chapter 4. Air Traffic Control › Section 5. Surveillance Systems › 4-5-6. Traffic Information Service (TIS)
Additionally, since ground-based radar will require several scans to determine aircraft…
Instrument Flying Handbook p. 9-25
Chapter 9: Navigation Systems › Advanced Technologies › Global Positioning System (GPS)
satellite-based radio navigation system that broadcasts a signal that is used by receivers to determine precise position anywhere in the world. The receiver tracks multiple satellites and determines a measurement that is then used to determine the user location ... determined and provides aircraft position referenced to the DOD World Geodetic System of 1984 (WGS-84). Satellite navigation systems are unaffected by weather and provide global navigation coverage that fully meets the civil requirements for use as the primary means…
Instrument Flying Handbook p. 5-27
Chapter 5: Flight Instruments › Flight Management Systems (FMS)
provide an additional sensor. In these systems, the FMS determines which DME sites should be interrogated for distance information using aircraft position and the navigation database to locate appropriate DME sites. The FMS then compensates aircraft altitude and station altitude ... distances from a number of sites the FMS can compute a position nearly as accurately as GPS. Aimer visualized three-dimensional aircraft control with an FMS. Modern systems provide Vertical Navigation (VNAV) as well as Lateral Navigation (LNAV) allowing…