17Lp Radio And Satellite Nav Flashcards
(110 cards)
1
Q
Any electronic device, airborne or on the surface, which provides point to point guidance information or position data to aircraft in flight
A
Radio navigational aid
2
Q
What are the eight radio, self contained, satellite navigation systems available for use
A
- Non-directional radio beacon-NDB
- very high frequency (VHF) omnidirectional range -VOR
- tactical air navigation-TACAN
- distance measuring equipment-DME,
- very high frequency omnidirectional range/tactical air navigation-VORTAC
- instrument landing system-ILS
- inertial navigation system-INS
- global navigation satellite system GNSS
3
Q
NDB
A
Non-directional radio beacon
4
Q
VOR
A
Very high frequency omnidirectional range
5
Q
TACAN
A
Tactical air navigation
6
Q
DME
A
Distance measuring equipment
7
Q
VORTAC
A
Very high frequency omnidirectional range/tactical air navigation
8
Q
ILS
A
Instrument landing system
9
Q
INS
A
inertial navigation system
10
Q
GNSS
A
Global navigation satellite system
11
Q
A low-frequency/medium frequency or ultra high frequency radio beacon transmitting non-directional signals
A
Non-directional radio beacon, NDB
12
Q
All radio beacons except the Compass locators, transmit continuous ________identification in ______ code except during voice transmissions
A
Three letter
Morse code
13
Q
When a radio beacon is used in conjunction with the instrument landing system markers, it is called
A
Compass locator
14
Q
Voice transmissions can be made on radio beacons unless the letter ____ is included in the class designator
A
W
HW
15
Q
Radio begins are subject to disturbances that may result in errors such as ____, ______,___.
A
Lightning, precipitation, static
16
Q
When do radio beacons become vulnerable to interference from distant stations
A
At night
17
Q
How are all NDBs, except compass locators identified
A
Three letter identifier in Morse code
18
Q
Ground-based electronic navigational aid transmitting very high frequency navigation signals, 360° in azimuth, oriented to magnetic north
A
VOR
19
Q
What is the primary navigation facility for civil aviation in the Nas
A
VOR
20
Q
What are the courses oriented from VOR stations called
A
Radials
21
Q
VOR’s are subject to ______restrictions
A
Line of sight
22
Q
What are the three classes of VORs power output
A
Terminal, low altitude, high-altitude
23
Q
Where are VOR terminal routes used for navigation
A
In a terminal area around an airport
24
Q
Where are low altitude VOR used for navigation
A
Generally used to navigate on airways,Victor and tango
25
Where are high-altitude VORs used to navigate
Used to navigate on all ATS routes
26
```
What are the altitude's and distances for VOR/VORTAC /TACAN NAVAIDs
T
L
H
H
H
H
```
```
T-12,000' and below / 25
L- below 18,000' / 40
H-below 14,500' / 40
H-14,500' up to but not including 18,000' /100
H-18,000' - FL450/ 130
H-above FL 450 / 100
```
27
The only ____ method of identifying a VOR is by its three letter Morse code identification
Positive
28
Accuracy of a course alignment of a VOR is excellent, generally plus or minus _____degree
1°
29
A VOR antenna transmission pattern is
Omni directional
30
A VOR station projects
360 usable magnetic radials
31
The different classes of VORs are
High, low, terminal
32
Ultra high-frequency electronic navigation aid which provides suitably equipped aircraft continuous indications of bearing and distance
TACAN
33
TACAN
Tactical air navigation
34
______ information is transmitted in the ultrahigh frequency band
TACAN
Bearing and distance
35
A TACAN station projects _____ usable_______ ______
360 usable magnetic radials
36
TACAN frequencies are in the______ band
UHF
37
TACANs are subject to ______restrictions
Line of sight
38
Equipment used to measure in nautical miles the slant range distance of an aircraft
DME
39
The difference between slant range and horizontal distance is greatest___________.
Near the NAVAID at high altitude
40
Aircraft using ______equipment will receive distance information from a _______ automatically
TACAN
| VORTAC
41
To receive DME, a_______ equipped aircraft must have a_____ airborne unit
VOR
| DME
42
DME
Distance measuring equipment
43
Do you mean distance is displayed______
As slant range distance
44
What DME equipment on the ground is required to respond to the aircraft interrogator?
Transponders
45
A navigational aid providing VOR aslzimuth, TACAN azimuth, and TACAN distance measuring equipment (DME ) at one site
VORTAC
46
VORTAC
Very high frequency Omni directional range/tactical air navigation
47
What are the three individual services a VORTAC provides
VOR azimuth
TACAN azimuth
TACAN DME
48
Transmitted signals of a VOR and TACAN are each identified by _______transmission
Three letter Morse code
49
The frequency channels of the VOR and TACAN at each VORTAC facility are ____ to simplify airborne operation
Paired
50
What is designed to provide an approach path with both Course and altitude guidance, and exact alignment and descent of an aircraft on final approach
ILS
51
What are the three primary components of an ILS
Localizer, glideslope, marker beacons
52
This provides horizontal guidance along the extended centerline of the runway, left and right
Localizer
53
Provides vertical guidance along the descent path towards the runway touchdown point, up/down
Glideslope
54
This Gives range information along to approach path
Marker beacons
55
What are the supplementary components of an ILS
Approach lights, compass locator, DME
56
This assist in the transition from instrument to visual flight
Approach lights, ALS
57
This is a low power, low/medium frequency radio beacon installed at the site of the outer or middle marker
Compass locator
58
Can you operate more than one ILS system installed at each end of the runway at the same time
No
59
What does the localizer transmitter operate in
The VHF Band
60
That approach course of the localizer is called the
Front course
61
The localizer signal is transmitted from what end of the runway
The departure end
62
The Course line along the extended centerline of a runway, in the opposite direction to the front course is called
The back course
63
How was the localizer identification transmitted
In Morse code, three letter identifier preceded by the letter I
I-dia
64
Vertically or laterally?
A distance of 18 nautical miles from the antenna, between an altitude of 1000 feet above the highest terrain, 4500 feet above the elevation of the antenna site
Vertically
65
Vertically or laterally?
On course indications are provided
2 1/2° either side of the centerline, proper off course indications are provided throughout the following angular areas of the operational service volume:
-10° either side of the course along a radius of 18NM from the antenna
-10 to 35° either side of the course along a radius of 10 NM
-unreliable signals maybe received outside these areas, pilots will receive an indication on their instruments if signal is unreliable
Laterally
66
ILS approach ______ if Localizer is out of service
Not usable
67
Glideslope transmitter operates in what frequency
Ultrahigh frequency band
68
Glide slopes are paired with localizer frequencies via
Channelization
69
The ______is the portion of the glideslope that intersects the localizer
glidepath
70
Where is the glideslope transmitter located and from what end of the runway?
1000 feet from the approach end
71
Marker beacons have a rated power output of ____watts or less
3
72
Marker beacons dimensions are ____ feet above the antenna, approximately _____ feet in width and ________ft in length
1,000
2,400
4,200
73
Ordinarily, there are two marker begins associated with an ILS, what are they
Outer marker and middle marker
| OM MM
74
Approach lighting system, some include ________ lights which appear to the pilot as a ball of light traveling towards the runway at high-speed
Sequenced flashing lights, rabbits
75
The inertial navigation system is a __________ navigation system
Totally self-contained
76
What is the INS comprised of
Inertial navigation system:
| gyros, Accelerometers, navigation computer
77
True or false
| the inertial navigation system requires information from external forces
False, it does not require information from external forces
78
INS accuracy is very high following initial alignment and_______ with time at the rate of about_______ per ____
Decreases, 1 to 2 nautical miles per hour
79
INS stands for
Inertial navigation system
80
Refers collectively to the worldwide positioning, navigation, and timing determination capability available from one or more satellite constellations in conjunction with a network of groundstations
(All of them as a whole)
Global navigation satellite system
| GNSS
81
Satellite based radio navigation system
GPS
82
A minimum of ____is always observable by a user anywhere on the earth
GPS
5
83
A minimum of _______satellites is necessary to establish an accurate ________
4
| Three dimensional position
84
Who is responsible for operating the GPS satellite constellation and monitors them
DOD
| Department of defense
85
How many systems are used in aviation to confirm and improve GPS accuracy?
What are they?
```
Three systems
Wide area augmentation system,
WAAS
local area augmentation system,
LAAS
receiver autonomous integrity monitoring
RAIM
```
86
What do these stand for
WAAS
LAAS
RAIM
Wide area augmentation system, local area augmentation system, receiver autonomous integrity monitoring
87
Provides enhanced integrity, accuracy, availability, and continuity over and above GPS SPS
WAAS, LAAS or RAIM
WAAS
88
Provides Percision navigation guidance for exact alignment and descent of aircraft on approach to a runway
WAAS LAAS or RAIM
LAAS
89
And aircraft-based, self-contained fault detection program, which can alert a user when questionable data has been received for my GPS satellite
WAAS LAAS or RAIM
RAIM
90
A method of navigation which permits aircraft operation on any desired flightpath within the coverage of ground or space-based navigation
RNAV
91
RNAV stand for
Area navigation
92
Most RNAV systems include a ____computer
FMS
| Flight management system
93
A predetermined geographical position used for Route/instrument approach definition, progress reports, published VFR routes, or visual reporting points that are define relative to a VORTAC station or in terms of latitude/longitude coordinates
Waypoint
94
A series of waypoints make up a ____ route
RNAV
95
What is required by Atc for all IFR aircraft on all Random RNAV routes ( except in Alaska)
Radar monitoring
96
The term ATS route is a term that includes ______ routes
VOR federal airways (Victoria and tango)
Colored federal airways (Alaska)
Jet routes (J&Q)
RNAV routes (Q&Tango)
97
What are the three fixed route systems that are established for air navigation purposes
- Airways, class E airspace, Victor&Tango,
- jet route system, class A airspace J&Q
- RNAV routes, class A and E airspace TANGO&Q
98
Unless otherwise charted, the changeover point is ______ between NAVAIDS
Midway
99
```
VOR airways are established in what class airspace?
High or low altitude charts?
```
E
| Low altitude charts
100
VOR airways are defined by radials of
VORs
101
The VOR airway system consist of airways designated generally from ______ AGL, up to but not including ______
1200 feet AGL
| 18,000 feet MSL
102
VOR airways and jet routes are generally aligned in overlying manner to facilitate transition between ________
Class A and E Airspace
103
VOR airways are identified on charts by the letter _____followed by the routes_____
V
| Identify number
104
VOR airways and jet routes
| Odd numbered airways and even numbered airways generally run which direction
Odd - north-South
| Even- east-west
105
The jet route system consist of routes Established from______
High or low altitude?
18,000 feet MSL to FL 450
| High altitude charts
106
NAVAID limitations prohibit that establishment of jet routes above____
FL450
107
There are two types of published RNAV routes what are they
Q&Tango
108
How is an airway labeled if it is shared with two or more routes
It carries the number of all the airways that coincide for that segment
109
What is the upper limit of a low altitude VOR airway
Up to but not including 18000 MSL
110
The upper limit of the jet route structure is_____
Up to and including FL 450
