Questions tagged [icao-sarps]

ICAO SARPs (Standards and Recommended Practices) are technical specifications that have been recommended by ICAO for member states to adopt as civil aviation policy. This tag should be used on questions about the specifications in the ICAO SARPs rather than about the actual civil aviation regulations in a given place.

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16
votes
3answers
6k views

What is the correct phraseology for declaring a fuel emergency?

If I am pilot, approaching my destination airport and realise that, after landing I will have less than 30 minutes of fuel remaining, how exactly should I express this when communicating with ATC? ...
12
votes
1answer
12k views

Does an FAA pilot certificate qualify as an ICAO pilot licence?

What is an ICAO pilot license? I've seen it as a job requirement before, does my FAA ATP count?
5
votes
2answers
2k views

What separation and information does ATC provide in different airspace classes?

I am busy studying radio for my PPL in South Africa, but I'm struggling to understand the ICAO definitions of the different airspace classes, and how ATC separates traffic in them. I understand that ...
8
votes
1answer
303 views

Where can the ICAO recommendations be found?

ICAO issues recommendations/rules/statutes/something? that standardizes the regulations for international air travel world-wide. What are these "rules" officially called and where can they be found?...
5
votes
2answers
1k views

What is the regulation related to weather radar use?

I think most commercial aircraft have a weather radar located in the nose cone, like this: (Source: PhotoBucket, by intelmani5) It's well known that radar emissions can be harmful, e.g. one could ...
4
votes
3answers
876 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, ...
23
votes
1answer
3k views

Declaring an emergency: How should you report fuel remaining?

When a flight has to declare an emergency, they are asked for souls on board and fuel remaining. Sometimes the ATC will want fuel in minutes (or hours) and sometimes in pounds. Could we get a ...
9
votes
2answers
2k views

How did ICAO SARPS come to include the 250 knots speed limit for aircraft below 10,000 feet?

In certain airspace classes, a speed limit of 250 knots IAS is imposed for aircraft flying below FL100/10.000FT, according to the airspace classes defined by ICAO. How did this limit find its way into ...
6
votes
1answer
448 views

Can two opposite localizers to a single runway be on simultaneously?

In case of a single runway with two separate ILS systems (one in each end, facing localizers) operating on two different frequencies, can both localizers be on and transmitting at the same time, or ...
8
votes
1answer
1k views

Are ICAO and FAA airport signs and markings the same?

Are ICAO and FAA airport signs and markings the same or are there differences? If so what are the differences?
6
votes
2answers
2k views

What is the correct use of the verb “to leave,” for exiting the runway?

What's the correct way to say, according to the phraseology; I will leave the runway; I will vacate the runway; or I will exit the runway?
6
votes
1answer
504 views

Do ICAO specifications have the force of regulation?

ICAO, the International Civil Aviation Organization, has specifications for the conduct of civil aviation throughout the world. Such things as the language to be used between controllers and pilots, ...
5
votes
3answers
2k views

Can an aerodrome in class G airspace be controlled?

Can an aerodrome be controlled, even if the only associated airspace is classified G? E.g. can such an aerodrome have a control tower with the authority to give takeoff and landing clearances and ...
4
votes
1answer
706 views

Where can the FAA versus ICAO official filed differences be found?

ICAO has a process where individual countries may file differences from the ICAO standard when the rules of the country do not coincide with the published standards. Where can the list of differences ...
3
votes
4answers
9k views

What are the lowest authorized minimums for each ILS category?

I have been recently told that ILS minimums were changed some time ago. Could anyone tell me what the lowest authorized ILS minimums are for CAT I, CAT II, CAT IIIa, CAT IIIb and CAT IIIc? I'm ...
2
votes
2answers
767 views

How exactly do ICAO's VOR-based minimum separation standards work?

This question is aimed at Air Traffic Controllers who are familiar with ICAO Separation minima. DOC 4444 states the following: Lateral separation between two aircraft exists when: VOR: both ...