Questions tagged [procedure-design]

For questions relating to the design of departure and approach procedures

Filter by
Sorted by
Tagged with
1
vote
1answer
76 views

What is the visual manoeuvring area (circling approach) radius for PANS-Ops (ICAO)?

I'm very confused of the actual radius of the "protected area" in a circling approach for a PAN-OPS approach plate. The ICAO doc 8168 contains information for circling approach at 1 000 ft. But what ...
1
vote
0answers
26 views

Is there a database from which I can retrieve the Expected Crossing Altitudes of a Departure or Arrival Procedure?

I am stuyding FAA's Coded Instrument Flight Procedures (CIFP) file which uses ARINC 424 digital format to code its data. I noticed that only mandatory crossing altitudes and speeds are included in the ...
0
votes
0answers
81 views

ICAO Obstacle Clearance Surface (OCS) is level or sloping in STAR, Arrival, Initial and Intermediate Approach Segments?

According to FAA Order 8260.3D - U.S. Standard for Terminal Instrument Procedures (TERPS) Chapter 2, Section 2-1, 2-1-3, Level OCS is applied to STAR, feeder, initial and intermediate approach ...
15
votes
2answers
3k views

Why is the missed-approach course for the “RNAV (GNSS) - A” approach to runway 28 at ENSB shaped all funny?

Svalbard-Longyear (ENSB) has one particular approach (the RNAV (GNSS) - A approach to runway 28) whose missed-approach course is... oddly-shaped, to say the least: (PDF by Avinor; screenshot and ...
2
votes
2answers
87 views

What is the operational advantage of starting an RNAV SID with a VI-CF leg combination?

I am examining Standard Instrument Flight Procedures, mainly from FAA's charts and Coded Instrument Flight Procedures ARINC-424 file (CIFP). I am keen in understanding the operational advantages or ...
0
votes
1answer
51 views

How do designers determine the altitude profiles of neighboring procedures for deconfliction purposes?

I am interested in studying ICAO's Continuous Climb Operations design strategy, however I have some trouble understanding how the procedure designers take into consideration the traffic flow from ...
1
vote
0answers
81 views

Based on PANS-OPS, what is the earliest turning point that can be used in a missed approach?

I am studying ICAO's PANS-OPS 8168 manual, and I have noticed conflicting guidelines regarding the permitted earliest turning point during a missed approach. In section 6.2.1.1, it clearly states: ...
2
votes
0answers
59 views

How do procedure designers calculate Minimum Enroute Altitudes?

When the designers of instrument flight procedures design a new procedure, I understand that they use certain manuals, such as ICAO's Doc29 or FAA's TERPS and PBN (8260.58), in order to construct ...