Nav Aids Final

Question 1

Where is the region called the tropics?

Answer 1

2326’N 2326’s

Question 2

Where is the arctic circle?

Answer 2

6633’N 6633’S

Question 3

What does GNSS stand for?

Answer 3

Global Navigation Satellite system

Question 4

What 4 countries have GNSS?

Answer 4

Russia, China, Europe, United States

Question 5

What does GPS stand for?

Answer 5

Global positioning System

Question 6

List the three segments of GPS

Answer 6

Space segment, control segment, user segment

Question 7

Which segment of GPS is referred to as the brain?

Answer 7

Control Segment

Question 8

Which segment of GPS is comprised of the constellation of satellites?

Answer 8

Space Segment

Question 9

Which segment of GPS is the one in your airplane?

Answer 9

User Segment

Question 10

What do we get with three sats?

Answer 10

Position

Question 11

What do we get with four sats?

Answer 11

Position and Altitude (time)

Question 12

What do we get with five sats?

Answer 12

RAIM, FD

Question 13

What do we get with six sats?

Answer 13

FDE

Question 14

What does the SBAS called that we use in north america?

Answer 14

WAAS

Question 15

What does WAAS Stand for?

Answer 15

Wide Area Augmentation System

Question 16

In an essay, describe how waas works. Include major components of how they work

Answer 16

WAAS includes 38 Wide Area Reference Stations(WRS), 3 Wide Area Master Stations(WMS), 6 GEO uplink Subsystems, and 3 GEO satellites (communication satellites). Step 1: WRS monitors GPS signals to determine position errors within a specific satellite; Step 2: WMS develops correction message; step 3: GEO uplink system transmits messages to navigation payloads on the communication satellites; Step 4:The GEO communication satellites BROADCAST the correction messages to GPS/WAAS receivers; Step 5: GPS/WAAS receivers can achieve an accuracy of a few meters across the NAS

Question 17

What does ADS-B stand for?

Answer 17

Automatic Dependent Surveillance-Broadcast

Question 18

What are 2 frequencies that ads-b operates on?

Answer 18

978 and 1090

Question 19

With regard to ads-b out, what freq. is for GA aircraft in the US below 18,000?

Answer 19

978 HRz

Question 20

With regard to ads-b out, what freq. is for jet aircraft operating above 18,000?

Answer 20

1090 HRz

Question 21

What is TIS-B?

Answer 21

Traffic Information Service- Broadcast

Question 22

What is FIS-B?

Answer 22

Flight Information system- Broadcast

Question 23

what is the diff. between ADS-B in and ADS-B out? Also which one is mandated?

Answer 23

ADS-B out sends info to other planes and atc about the location while ADS-B in receives that info

Question 24

What is ICAO? How does it help the aviation industry?

Answer 24

International Civil Aviation Organization, Conformation of global Norms that allow flights around the globe to operate safely

Question 25

What is the purpose of nextgen?

Answer 25

Allows more information in the cockpit for pilots and more tools for ATC to ensure safety

Question 26

What are the 2 main purpose of NextGen that we’ve talked about in class?

Answer 26

Satellite and strategy air traffic management

Question 27

What does RAIM Stand for?

Answer 27

Receiver Autonomous Integrity Monitoring

Question 28

What does SBAS Stand for?

Answer 28

Satellite Based Augmentation system