Instrument questions

Question 1

If a VOR is required for navigation on a route, above what altitude is DME required?

Answer 1

FL240

Question 2

If the VOR, which is being used for missed approach segment, is inoperative, is the approach still legal?

Answer 2

Some locations may have a preplanned alternate missed approach procedure for use in the event the primary NAVAID used for the missed approach procedure is unavailable. The alternate missed approach may be based on NAVAIDs not used in the approach procedure or the primary missed approach.

Question 3

What is the default CAT II approach minimums?

Answer 3

100 FT and 1200 RVR

Question 4

How do you determine if the tower has radar looking at the approach plate?

Answer 4

(R) next to their callsign on the briefing strip

Question 5

What is 91.175?

Answer 5

Continuous Normal Position to land, Adequate flight visibility, and “runway environment in sight”

Runway Environment in sight:

1 - Lights: REIL, VGSI

2 - Threshold: Threshold, Threshold Markings, Threshold Lights

3 - Runway: Runway, Runway Markings, Runway Lights

4 - Touchdown Zone: Touchdown Zone, Touchdown Zone Markings, Touchdown Zone Lights

Approach light system you may descend to 100ft above the TDZE until you have the red terminating bars or red side row bars

Question 6

What are IFR Takeoff Minimums for part 121 operators?

Answer 6

Prescribed T/O minimums for the runway, or, if none:
1-2 engines airplanes: 1 SM visibility
More than 2 engines: ½ SM visibility

If weather falls below the above minimums then alternates need to be chosen based off:

(1) Aircraft having two engines. Not more than one hour from the departure airport at normal cruising speed in still air with one engine inoperative.

(2) Aircraft having three or more engines. Not more than two hours from the departure airport at normal cruising speed in still air with one engine inoperative.