Questions tagged [instrument-procedures]
Procedures for navigating based on cockpit instruments rather than visual references outside the cockpit.
17
questions with no upvoted or accepted answers
3
votes
0
answers
267
views
Why would an airport have a "Z" approach unless there's also a "Y" of the same type?
Napa Airport (KAPC) has an ILS Z 1 approach, but no ILS Y 1. See here. Why isn't this just the ILS 1? The naming rule described in the IPH, referenced here, doesn't explain why this would happen.
3
votes
0
answers
109
views
Why would it be logical to call clearance delivery prior to CTAF during an instrument approach?
I am quoting this directly from the FAA's Instrument Procedures Handbook publication.
"The communication strip provided near the top of FAA approach charts gives flight crews the frequencies that ...
- 8,761
3
votes
0
answers
84
views
Can you recommend IFR material for Europe?
Is there a European equivalent to the FAA's "Instrument Flying Handbook" and "Instrument Procedures Handbook" that will illustrate how to fly different procedures in accordance with ICAO PANS-OPS Doc ...
- 461
3
votes
0
answers
98
views
What non-precision approach in the US has the longest segment at MDA?
What approach is the longest approach, in the US, which has the longest segment at the MDA? Obviously this is for non-precision approaches.
- 17.7k
2
votes
0
answers
109
views
Altitude/Minimum altitude in ARINC 424
Airport SID/STAR/Approach Primary Records in ARINC 424 contains two fields with altitudes: columns 85-89 and columns 90-94. How to interpret if both fields are empty ? What are the altitude ...
- 21
2
votes
0
answers
286
views
EASA Part-NCO; Approach light system
EASA Part-NCO, specifically OP.110, refers to 4 different lighting systems (NALS, BALS, IALS, FALS) to be considered when determining the landing minima. However, there are quite a few different ...
- 588
2
votes
0
answers
135
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 ...
- 1,853
1
vote
0
answers
43
views
RAIM Checks when using GNSS in lieu of DME for distance information
I understand that a RAIM has to be checked on the ground as part of preflight, as well as before the commencement of an RNAV/RNP approach.
What I am unable to find information on online, is whether a ...
- 11
1
vote
0
answers
414
views
All approaches at airport NA for Alternate planning. Does that mean the same as Airport NA for Alternate if VFR landing is planned?
Jeppesen will use the term "NA" in the "For Filing as Alternate" table if all the available approaches at the given airport are not available. For FAA charts, a pilot will know ...
- 11
1
vote
0
answers
50
views
Are DME arcs coded in the CIFP data file?
I use a git project (https://github.com/rstory1/parseCifp) to transfer the FAA CIFP formatted file into a database, but noticed that DME arcs don't seem to be carried over. Looking into the FAACIFP18 ...
- 433
1
vote
0
answers
63
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 ...
- 1,853
1
vote
0
answers
208
views
Is airport's magnetic variation value used for terminal procedure design?
I am studying how instrument flight procedures are coded to ARINC-424 format, and since I was curious about the method used to determine the outbound/inbound magnetic courses, I checked the section ...
- 1,853
1
vote
0
answers
99
views
Ambiguous mention of NAVAIDs with duplicate names in FAA's CIFP file (ARINC-424 18 format)
I am studying FAA's Coded Instrument Flight Procedures (CIFP) dataset (link), coded in ARINC-424 18 format, and I noticed that navaids are coded for the purposes of an IFP simulation only by their ...
- 1,853
1
vote
0
answers
80
views
What indicated altitude should I hold at after missed approach at KTVL airport
Assume I'm planning on conducting the GPS RWY 18 approach at KTVL (Lake Tahoe airport) and the current temperature is -40C. If I execute a missed approach and proceed to the holding fix (HETRY), at ...
user22445
1
vote
0
answers
67
views
Is FAA's Order 8260.58A complementary to the TERPS manual as far as SID design is concerned?
I am studying FAA's United States Standard for Terminal Instrument Procedures (TERPS) to learn how a SID is designed and what kind of rules and constraints one has to take into consideration. I am ...
- 1,853
0
votes
0
answers
58
views
Why does the FIX names change frequently for the approach courses for a given airport?
I have seen the name of fixes change as published in the approach plate for airports like DFW, ORD. The approach path seems to be the same. For example, sometime over the last year the FAF for 18L at ...
0
votes
0
answers
204
views
TruTrak Vision PMA Autopilot Limitations for coupled instrument procedures- C172M - STC SA04231CH
I am currently flying a Cessna 172M with a TruTrak Vision Autopilot installed under STC SA04231CH. Section 2.4 of the approved AFMS states:
This autopilot has not been evaluated by the FAA to meet ...
- 31