Contents
What is required obstacle clearance?
The concept of a Required Obstacle Clearance (ROC) is the foundation of instrument flying, it simply means any procedure — departure, en route, approach, missed approach — has to guarantee you a minimum altitude above all obstacles within a certain airspace.
What is an approach clearance?
Clearances authorizing instrument approaches are issued on the basis that, if visual contact with the ground is made before the approach is completed, the entire approach procedure will be followed unless the pilot receives approval for a contact approach, is cleared for a visual approach, or cancels their IFR flight …
What do you say in clearance delivery?
Clearance Delivery You tell the controller who you are (your aircraft’s N-number, where you are on the airport, and where you want to go, i.e. “west departure” or your destination airport.
What is obstruction clearance?
Obstruction clearance plane” means a plane sloping upward from the runway at a slope of 1:20 to the horizontal, and tangent to or clearing all obstructions within a specified area surrounding the runway.
What should be the minimum obstacle clearance during an instrument approach?
Obstacle clearance in the initial phase. In the initial missed approach area, the minimum obstacle clearance shall be the same as for the last part of the final approach area except where the extension of the intermediate missed approach surface backwards towards the missed approach point requires less clearance.
What does a required obstacle clearance ( ROC ) mean?
The concept of a Required Obstacle Clearance (ROC) is the foundation of instrument flying, it simply means any procedure — departure, en route, approach, missed approach — has to guarantee you a minimum altitude above all obstacles within a certain airspace.
What does 4-8-1 mean for approach clearance?
4-8-1. APPROACH CLEARANCE a. Clear aircraft for “standard” or “special” instrument approach procedures only. To require an aircraft to execute a particular instrument approach procedure, specify in the approach clearance the name of the approach as published on the approach chart.
What do you need in an approach clearance procedure?
To require an aircraft to execute a particular instrument approach procedure, specify in the approach clearance the name of the approach as published on the approach chart.