Questions tagged [icao-recommendations]

ICAO does not create enforceable regulations, but releases recommendations for regulations that member nations should enact.

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26
votes
1answer
2k views

Why is it runway “1” instead of “01” in America?

In the case of a runway with a magnetic heading of 10° in America the runway number ("1") isn't hugely distinguishable from the runway centreline IMHO, (for example see Washington Airport and San ...
0
votes
1answer
143 views

Are Transponder Mode A and C still in use?

Are the ATC transponder Mode A and Mode C still in use (according to ICAO or FAA rules)?
0
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1answer
49 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 ...
2
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1answer
95 views

How do flight procedure designers decide when to assign an altitude constraint to a waypoint?

I am studying procedure design manuals (TERPS, PBN 8260.58A manual, ICAO PANS-OPS 8168 manual etc.) and I haven't found any guidelines concerning altitude constraints that can be imposed on a waypoint....
1
vote
0answers
66 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
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0answers
112 views

Which American State Aircraft use the RVSM exemption?

Reading about RVSM, I noted the exemption for "state aircraft." This is summarize in wikipedia as "State aircraft", which includes aircraft used in military, customs and police service, are ...
0
votes
1answer
278 views

What are mechanical requirements for flying over water?

What are the mechanical requirements to fly over a large water body? Are multiple engines required? Do the engine/s need to be a certain kind (turbofan, turboprop, piston)?
4
votes
3answers
768 views

Which specific version of English are international pilots and ATC required/recommended to learn?

Are international ATC and pilots technically required to learn British English, American English, or something else? I've heard it said that they are "supposed to speak ICAO standard phraseology, ...
2
votes
1answer
2k views

What is the requirement for fire fighting equipment on board a passenger flight?

What is the legal requirement regarding fire fighting equipment on a passenger flight, e.g. fire extinguishers and fire hoods? I imagine that the number is proportional to the airplane's max capacity. ...
10
votes
1answer
307 views

What documented practices are there for NOTAM creators and handlers to combat NOTAM spam?

Sadly, NOTAM spam is a persistent thorn in the world aviation community's side. Bureaucratic rump-covering exercises lead to NOTAMs being issued and distributed that are mere noise to the average ...
3
votes
1answer
311 views

Which aerodromes are in the scope of ICAO recommendations?

I'm looking for a clarification of how aerodrome characteristics are regulated in a country which has signed the ICAO Chicago Convention (more on Wikipedia). To guide the answer, I'm providing a list ...
5
votes
1answer
419 views

How can I know if North Atlantic Tracks have been amended?

Information about the North Atlantic Tracks is issued through Track Messages. The NAT Doc 007 document states that every track message is identified by the TMI (Track Message Identifier) number: ...
6
votes
1answer
3k views

What is the maximum interception angle for ILS when on radar vectoring?

Some time ago when I was designing the approach radar module for the ATC simulator for HCAA, the spec was very clear that the limit had to be placed at 45 degrees. So I took it for granted and I didn'...
6
votes
1answer
562 views

Are the cockpit and crew rest area considered part of the cabin?

A few days ago, a travel blogger wrote about smoking on a China Eastern flight, and the smell of cigarettes came from either the cockpit or the crew rest area: So I’m not sure who is smoking, ...
13
votes
6answers
10k views

Are “Tally-ho” and “no joy” acceptable ATC terms for civil operations?

I keep meaning to ask this question. I heard "Tally-ho" used for the first time by a pilot on Liveatc.net. I know these are pretty standard phrases in military aviation but I wondered if civil pilots ...
6
votes
1answer
1k views

What is the name for a flight crew that includes extra members for a longer flight?

For short haul flights, airlines fly with BASIC CREW. For long haul flights, the crew must be composed for another crew or "extra" crew members, less than a crew. What's the designation of the crew, ...
2
votes
2answers
445 views

Is breaking a FAR an issue when flying outside of FAA jurisdiction?

When flying outside the US it is advisable to follow the FAA rules when they are stricter than ICAO, and when it does not violate the local flight governing body's rules. Can you still be fined or ...
7
votes
1answer
7k views

What is the minimum radio and navigation equipment for required for VFR and IFR certified aircraft?

As per ICAO or FAA, what are the minimum radio and navigation equipment must be fitted in VFR and IFR certified aircraft and helicopters?
4
votes
1answer
394 views

Is there a Take-off speed category?

ICAO Annex 14 recommends that "Runway centre line lights shall be provided on a runway intended to be used for take-off with an operating minimum of an RVR of the order of 400 m or higher when used by ...
16
votes
2answers
17k views

Which countries allow pilots to fly over the age of 65 for International Part 135 Operations?

The FAA does not have an age limit for pilots flying under Part 135 regulations, however ICAO specifies an age limit of 65 (with other restrictions after the age of 60). The NBAA has a nice Age 60 ...
7
votes
1answer
2k views

Which types of aircraft are required to carry ELTs?

According to regulations and recommendations from the FAA, ICAO or other aviation organisations, what types of aircraft are required to carry Automatic Fixed Emergency Location Transmitters (ELT(AF)) ...
4
votes
1answer
294 views

What is the rationale of a weight/passenger value for the ICAO TCAS requirement?

What is the rationale for the figures 5,700 Kg and 19 passengers? Excerpt from TCAS's Wikipedia entry page: It is a type of ...
28
votes
2answers
90k views

What are the ICAO fuel reserve requirements?

How much reserve fuel are private and commercial aircraft required to carry by ICAO rules? I heard that it changed recently (about a year ago) and is a little complicated. How is it calculated for ...
47
votes
4answers
23k views

What programming languages are used for equipment onboard aircraft?

Generally speaking, What programming language is used in aviation for (ATC Radio, Radar, ILS, Auto-pilot and on-board avionics)? Is there a standard enforced by ICAO? Does every plane manufacturer ...
7
votes
1answer
3k views

What is the validity duration of FAA Medical for international flights?

FAA Rule: The duration of FAA medical certificates is specified in 14 CFR 61.23. An example would be for: A first-class medical certificate Applicant is under age 40 Applicant is an airline ...
22
votes
5answers
11k views

What is the standard rate of turn for heavy aircraft?

I have heard and read many times that for "heavy aircraft", they use a standard rate of turn which is 1.5° per second (4 minute turn), but I have never found an official source which addresses this. ...
7
votes
1answer
7k views

What is a “Descend Via” clearance?

When flying to Teterboro, NJ (KTEB) and cleared via the JAIKE THREE ARRIVAL from Flat Rock (FAK): What does ATC expect when they give a clearance like: N1234, Descend VIA the JAIKE THREE ARRIVAL ...