Navaids Flashcards
What is the WAAS CDI scale during enroute?
2nm
What is the WAAS CDI scale during terminal?
1nm
What is the WAAS CDI scale during approach?
.3nm
What is the GPS CDI scale during enroute?
5nm
When will the GPS switch into approach mode?
Within 2nm of the FAF
What are the errors associated with an NDB?
Thunderstorm
Shoreline
Interference
Twilight
Is the NDB limited by line of sight?
No
What is the range of DME?
199nm
How many aircraft does a DME support?
99 aircraft
What are two frequencies of the ILS?
90hz and 150hz
What is the course width of the ILS?
3 or 6 degrees
How wide is the ILS course at the threshold of the runway?
700 feet
RAIM requires a minimum of how many satellites with a barometric altimeter?
4
RAIM requires a minimum of how many satellites without a barometric altimeter?
5
How many satellites are required for a 3D position?
4