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
3 answers
7k 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? ...
RedGrittyBrick's user avatar
7 votes
1 answer
1k views

What is the ICAO equivalent of /G in a flight plan?

How should I fill out an ICAO flight plan if I have a Garmin GNS-430W WAAS certified unit? I file as /G in the US domestic format.
Robert Federhofer's user avatar
10 votes
2 answers
6k 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'...
Stelios Adamantidis's user avatar
9 votes
2 answers
4k 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 ...
60levelchange's user avatar
4 votes
4 answers
13k 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 ...
user17444's user avatar
3 votes
2 answers
309 views

Do new VHF radios need to be flight tested?

I'm in the process of upgrading all our VHF radios and the local regulator has asked us to follow the guidance/recommendations from ICAO, as we have more or less cancelled many of our local rules. The ...
Tejpal Singh's user avatar
3 votes
1 answer
654 views

When must delegated airspace be listed in the AIP?

Two states can agree, through a bilateral letter of agreement, to delegate the responsibility for providing air traffic services (ATS) within a certain airspace from one state to the other. There can ...
60levelchange's user avatar
6 votes
2 answers
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?
eduardoguilherme's user avatar
6 votes
1 answer
2k views

What is the difference between "amended" and "revised" clearances?

Reading the ICAO Phraseology Reference Guide I saw the term amendment applied to clearances, and I got a bit confused about how to differentiate it from a revised clearance. What does each one mean? ...
eduardoguilherme's user avatar
6 votes
1 answer
690 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, ...
Him's user avatar
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4 votes
1 answer
883 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 ...
Lnafziger's user avatar
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16 votes
6 answers
21k 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 ...
TomMcW's user avatar
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6 votes
3 answers
3k 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 ...
60levelchange's user avatar
22 votes
1 answer
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 ...
CGCampbell's user avatar
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12 votes
1 answer
351 views

Do companies based in non-English-speaking countries require intra-cockpit procedural communication to be performed in English?

I was watching a video of an MD-11 landing in Quito, Ecuador The crew is German (Lufthansa). When they speak with ATC it's in English (obviously). When they speak with each other it's in German (...
Peter's user avatar
  • 221
5 votes
2 answers
2k 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 ...
mins's user avatar
  • 70.9k
7 votes
2 answers
269 views

Are there regulations about objects/buildings above (across) taxiways?

ICAO doc9157 part2 recommend many standard of taxiway system, including width, separation, slope,etc. How about height of the object above taxiway, like passenger bridge or rail track? Is there any ...
Him's user avatar
  • 5,288
2 votes
1 answer
149 views

What is the status of "Notes" in ICAO Annexes?

As per the forward to ICAO Annex 11, the status of a "NOTE" in any annex is - "Notes included in the text, where appropriate, to give factual information or references bearing on the Standards or ...
K V S Rathore's user avatar
8 votes
1 answer
2k 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?
J.Dore's user avatar
  • 89
6 votes
1 answer
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, ...
eduardoguilherme's user avatar
2 votes
2 answers
521 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 ...
Tango India Mike's user avatar
7 votes
1 answer
12k 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?
Lokman Farrukh's user avatar
4 votes
1 answer
461 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 ...
Gireesan M's user avatar
16 votes
2 answers
31k 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 ...
Lnafziger's user avatar
  • 58.6k
7 votes
1 answer
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)) ...
RedGrittyBrick's user avatar
6 votes
1 answer
752 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, ...
Terry's user avatar
  • 39.2k
4 votes
1 answer
372 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 ...
menjaraz's user avatar
  • 2,435
10 votes
1 answer
5k views

How does ICAO differentiate between Commercial and Private flights?

How is the difference between Commercial and Private/General Aviation flights defined by ICAO? Here in the US, we use 91 flights -vs- 135 flights, but from what I've heard they use a different ...
Lnafziger's user avatar
  • 58.6k
28 votes
2 answers
113k 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 ...
Lnafziger's user avatar
  • 58.6k
56 votes
4 answers
44k 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 ...
Taher Elhouderi's user avatar
7 votes
1 answer
5k 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 ...
Lnafziger's user avatar
  • 58.6k
8 votes
1 answer
419 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?...
Lnafziger's user avatar
  • 58.6k
22 votes
5 answers
14k 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. ...
Bret Copeland's user avatar
7 votes
1 answer
9k 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 ...
Lnafziger's user avatar
  • 58.6k
12 votes
1 answer
15k 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?
Lnafziger's user avatar
  • 58.6k

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