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AVSC 1240 RNAV System
Terms in this set (27)
Remember that the VOR Reciever only tells you how to reach the station, but it does not know where you are in relation to the?
GPS, WAAS, and RNAV, RNP fall under what type of navigation?
PBN (Performance based navigation)
GNSS (Global Navigation Satellite System) is over RNP, which is over
RNAV utilizes the
Utilizes DME and is permitted for operations on any desired course (off airway) if within the coverage of station referenced navigation signals being used. RNAV is a critical component to the transition from ground-based navigation system (like NDB, VOR) to GPS navigation.
What are some of the benefits of RNAV?
Ease traffic conditions, reduce workload for pilots and atc, allow for a more direct route, and more fuel efficient.
In order to use RNAV it must use?
ICAO procedures must be followed, airborne systems are certified for RNAV routes and procedures
J- Routes are Jet routes which are above 18,000
T-Routes have a T at the end of the airway and are the equivalent of V-Routes (Victor Airway). They are assigned for lower altitudes.
Q-Routes or J-Routes
RNAV 1 or RNP 1
This means that the aircraft navigation system stays within 1 nm on either side of the course
RNP and RNAV are the two key components of?
What are the phases of PBN flight?
Takeoff & Departure, En Route, Arrival & Landing
RNP provides a specific level of accuracy defined by?
A lateral area of confined airspace.
What are in the RNP
RNP 0.3 Approach, RNP 1.0 Terminal, and RNP 2.0En Route (The aircraft's navigation system must maintain navigation accuracy 95% of the time)
Conventional Routes use
Conventional Routes use current ground NAVIDs, RNAV uses Waypoints, and RNP uses narrow seamless TERP.
Flight Management System (FMS) uses
Preprogrammed routes can be entered through a data loader.
What does GPS stand for?
Global Positioning System
GPS was used by the DOD before the general public could use it.
It must be within 95% accuracy and up to 10 meters of accuracy. 24 (32) satellites, which create 6 orbital planes.
Atomic clocks, accurate to a billionth of a (nano) seconds.
Reciever is programmed with each orbit. There must be 5 satellites to recieve RAIM?
What are the satellites
3 satellites = 2 deminsional position (DME)
4 Satellites = 3 deminsional position
5 satellites = RAIM (and a time)
What is RAIM?
Reciever Autonomous Integrity Monitoring, the GPS Reciever continuously verifies the integrity (usability) of the satellites.
If you had a "RAIM Unavailable" or "Integ" (5 satellites)
GPS cannot be used for an approach if if the integrity of the GPS could not be verified.
What does FD/FDE mean?
False Direction & False Detection and Exclusion
GPS is linear and VOR is?
If you lose GPS capabilities then what can used as a backup?
DME, VOR, NDB, ILS "ADF Required" approach. Cannot be used for the final approach course of a Non-GPS approach.
What does WAAS mean?
Wide Area Augmentation System
Why do we have WAAS?
It's purpose is to eliminate 3 errors causing GPS inaccuracies which are Clock, Ephemeral, and Ionosphere. It is much more accurate and does not require RAIM or FDE. It is accurate up to 9 ft both laterally and vertically.
38 WRS, 2 WMS, 4 GUS, and 2 GEO Sats (East & West)
What are the components of a WAAS?
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