Questions tagged [icao]

The International Civil Aviation Organization is a UN body that develops international aviation standards.

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16
votes
2answers
3k views

What is typical ATC procedure when a non-pilot calls from a commercial flight for help?

"This is ShinyWings 123, I'm not a pilot, the pilot and copilot are unconscious. Help." Probably a day air traffic controllers dream of with dread, when a member of cabin crew, or even worse,...
4
votes
2answers
142 views

What is the correct way to get established on the outbound track on this approach?

If you have been cleared to LCA (from the direction shown by the red arrow) then outbound on the procedure, what is correct way to get established on the outbound track? Ideally, I'm looking for an ...
10
votes
2answers
386 views

Is it possible to fly an EASA registered airplane with an ICAO license?

Is it possible to fly an EASA registered airplane with an ICAO license? My problem is the following: I have obtained my ICAO PPL license in Argentina with 52 flight hours but currently I live in ...
3
votes
2answers
128 views

What is the difference between “Standard Metric Level” and “Altitude” in ICAO flight plans?

What is the difference between "S" and "M" in flight plan altitudes? The FAA's ICAO flight plan documentation says: Standard Metric Level in tens of meters, expressed as S followed by 4 figures (...
10
votes
2answers
2k views

What organisation owns intersection names?

I understand that five letter intersection codes (such as WARPI, PAPPI, KUBBS, ROSLY, ZALPO, ...) are unique in the world. However, their names don't comprise a national prefix (as aircraft tail ...
0
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1answer
61 views

Can i get A&P course materials in .pdf format? [closed]

I would be very grateful if you provide me any material about A&P basic course for mechanics.
2
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1answer
92 views

For a coded departure procedure (SID), Fly-At-Altitude or At-Waypoint instruction has priority in case of conflict?

I am examining various RNAV departure procedures and especially those whose purpose is to overlay the existing conventional ones. I noticed that some of them begin with a "Flight at Altitude" ...
5
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1answer
623 views

ICAO and EASA classification of instrument approaches

ICAO distinguishes approaches operations based on DH between 'Type A' (DH >= 250 ft) and 'Type B' (DH < 250 ft), which are further divided into subcategories. From the Annex 6 — Operation of ...
2
votes
1answer
129 views

Is there a required check before selling an airliner?

In France, when selling a car, the last check (more or less a C-check) must has been done within the 6 months before the owner change. Is there an equivalent requirement for airliners? I'm more ...
4
votes
1answer
100 views

Can a US registered motorglider be flown in Canadian airspace when piloted by a pilot with the appropriate FAA glider license?

Is a PPL-Glider recognized as ICAO approved? Can a US registered motorglider be flown in Canadian airspace (or land at an appropriate Canadian airport) when piloted by a pilot with the appropriate FAA ...
5
votes
2answers
187 views

If the airport reported BKN002, would that prevent performing a DH 259' approach?

According to this Instrument Approach: The published Minimums are a Visibility of 1300 m, and a DH of 259 feet. In accordance with ICAO, would the Visibility and Ceiling be above the Published ...
2
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2answers
665 views

How to pronounce ICAO?

How to pronounce ICAO, correctly? Civil Aviation students claim that their teacher told them to pronounce it as /ˌaɪˌkeɪˈoʊ/, eye-KAY-oh but when I look at Cambridge Dictionary it pronounces ICAO ...
0
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1answer
114 views

Does the validation of an ICAO licence allow you to fly internationally?

Hypothetical situation: A pilot with an ICAO-compliant PPL licence from Australia goes to France and France issues a licence validation in accordance with the Chicago Convention, thus allowing him to ...
5
votes
3answers
226 views

How do humanitarian flights arrange special permissions to fly when ATC isn't available?

In natural disasters, transportation infrastructure is often among the first and most critical of public services to be disrupted. Not coincidentally, it's also a time that tends to see small airports ...
0
votes
2answers
144 views

Is there a manual which describes the algorithmic procedure on which the Vertical Navigation Guidance is based?

I am interested in the methods implemented by Flight Management Systems in order to calculate a trajectory path of vertical navigation guidance (VNAV), which takes into consideration the legs of the ...
0
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0answers
237 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 ...
3
votes
1answer
76 views

On the ICAO Flight Plan Form, does /S replace O, V, and L?

I know the S stands for standard equipment (VOR, ILS, VHF radio). Is the format like G/S (GPS with standard equipment), or does the /S not imply coverage of the other line items, i.e., VLGO/S?
2
votes
1answer
128 views

Can US pilots fly VFR OTT and/or VFR at night in Canada without additional ratings?

In the US, private pilots flying under VFR are implicitly allowed to fly without visual reference to the ground, eg. over an overcast cloud layer, as long as they maintain appropriate VFR weather ...
22
votes
3answers
5k views

To which airspace does the border of two adjacent airspaces belong to?

Consider two adjacent airspaces of different categories. For example, airspace G is up to 2500' and above this is an airspace D. The border is at 2500'. Which airspace are you in if flying at exactly ...
8
votes
2answers
492 views

What methodology did ICAO use to create the overall code nomenclature for airports?

If an airport is from North America, then it starts with K and so on. How did ICAO get the letters from? Why does the Philippines region starts with A? Why do airports in Izmir have LTBx prefix? Did ...
8
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0answers
204 views

How to know that single engine aeroplanes are not allowed to depart on the TETAN SID?

I'm studying for my IR exam and came across another tricky AIP question. Which of the following statements about the TETAN 1A standard departure chart are correct? Single engine aeroplanes ...
1
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2answers
351 views

What are the ICAO GNSS waypoint naming conventions?

I'm curious about ICAO naming conventions regarding GNSS and RNAV waypoints. Would I be correct in assuming that all GNSS area waypoints are 5 letters, and RNAV waypoints are 6? What about waypoints ...
4
votes
1answer
151 views

Does a straight missed approach require all turns to be less than or equal to 15 degrees?

I am studying ICAO's PANS-OPS 8168 manual, and I am having trouble understanding the criteria applied to straight and turning missed approaches. In the manual, it clearly states: I-4-6-2 Types of ...
0
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0answers
75 views

PRE to POST conversion of ADEXP/ICAO messages

How do I convert ADEXP/ICAO messages in POST to PRE and PRE to POST? There is only "CFMU INTERFACE MANUAL FOR ICAO 2012" document (from internet) which has only POST to PRE.
1
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0answers
51 views

According to ICAO, which rules are applicable to SBAS Non-Precision Approach Procedures?

I am studying the Satellite Based Augmentation System (SBAS) from PANS OPS manual 8168, Volume II, sixth edition, and I have a problem concerning the criteria of SBAS-NPA. In Part III, Section 3, ...
1
vote
1answer
289 views

who owns the abbreviated name of an airport [closed]

is the name of an airport such as LAX the act of the FAA or the ICAO? from reading, it looks as though the process starts at the ICAO as a recommendation, then is adopted by the FAA?
2
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0answers
97 views

Migration from AFTN to AMHS?

My question is: Is there any obligation from ICAO about migration from AFTN to AMHS? and If that's so, what are deadlines? Any ICAO doc about this?
5
votes
1answer
248 views

Is separation provided in class F airspace?

According to the Wikipedia page on different airspace classes, separation is provided for IFR/SVFR to other IFR/SVFR in class F airspace. In ICAO Annex 11 from 2018 (p.36 in the pdf file), I can't ...
1
vote
1answer
163 views

How does the ICAO VOR separation apply to reciprocal radials?

If two aircraft are on VOR radials that are apart by 15 degrees or more and one aircraft is at least 15 DME out, they are considered laterally separate. I read this rule in ICAO documents but my ...
2
votes
1answer
288 views

How to correctly interpret the taxi procedures in ICAO Doc 4444?

I have a question to ICAO Doc4444, Chapter 12.3.4.7, Taxi procedures for departure, c). My question is how to interpret the following, knowing that words in parentheses are mandatory, and words in ...
0
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0answers
64 views

regulations - Is there a public ICAO roadmap when amendments taking effect

Is there anywhere a roadmap of ICAO when amendments taking effect? Or by any other European regulatory power?
0
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1answer
133 views

Where does it say that type certificates are required?

I am doing research and looking for a regulation (from FAA, Transport Canada, ICAO or anywhere else) that explicitly states that a type certificate is required for aeronautical products (aircraft, ...
1
vote
1answer
159 views

What is an “unsafe airline”? [closed]

Question: Is there any internationally accepted definition for what an "unsafe airline" is based on objective criteria (e.g. fatalities per million passengers) ? Or is there an international standard ...
8
votes
1answer
333 views

Are there countries where not all plane crashes are investigated (even if deadly)?

background information I was struck by the news of this deadly plane crash on 20 Dec 2018 which claimed 8 lives and apparently is not investigated as the plane and its potential survivors were not ...
1
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0answers
166 views

How long does it take for a new FIR to be created by ICAO

How long does it take ICAO to create/approve a new Flight Information Region(FIR)? Occasionally FIRs are split because of various reasons. The question is how long ICAO takes to approve the new FIRs ...
0
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0answers
128 views

How do aviation regulatory bodies relate to each other? [duplicate]

I am trying to make a overview how regulatory bodies in aviation safety interrelate. Maybe something like a hierarchy. I would start with ICAO and IATA, but where comes then for example FAA, CAA, LBA?...
1
vote
1answer
798 views

What is the difference between APV I and APV II?

Been reading all these ICAO documents about APV I and II and none of them clearly describe (from a pilots perspective) the difference. Please help
1
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2answers
1k views

List of all FIR and their authorities [closed]

Wikipedia has this page https://en.wikipedia.org/wiki/Flight_information_region containing a table of all FIR (with ICAO codes) and their respective authority countries. Is there any place where I ...
0
votes
1answer
140 views

If the number of flights in the world exceed 2^24 how will ICAO allocate the address to the flights? [closed]

What is the approximate number of commercial flights in the world as of now? If the number of flights do exceed will they use the concept of frequency reuse in cell phones(dynamic allocation of ...
1
vote
1answer
453 views

What are the radius of containment (Rc) and horizontal protection limit (HPL) and how are they related to Type Code?

In ICAO Document 9871 (Technical Provisions for Mode S Services and Extended Squitter) page 30 they have mentioned it in the form of a table. But they haven't explained HPL and Rc in detail.
2
votes
1answer
289 views

What is the difference between ICAO and non-ICAO flight address?

In document 260B, "Minimum operational performance standards for 1090Mhz Extended Squitter", on page 47 of the pdf, in the DF18 format they have mentioned for a particular CF(code format), "non-ICAO ...
1
vote
0answers
215 views

What are the requirements to become a language proficiency examiner?

What are the requirements to become a language proficiency examiner? Does the person have to be a pilot? Does it have to be a flight instructor? What kind of language proficiency rating do they have ...
4
votes
2answers
355 views

Is it possible as a pilot to get the ICAO proficiency language level for a not official language in the ICAO?

I was wondering if it is possible to get the proficiency language level in German for example, as it is not an official language for ICAO. If I would want to apply for a German airline as a pilot, can ...
23
votes
3answers
8k views

Why does the ICAO alphabet use “Charlie” for C?

Why does the ICAO alphabet use "Charlie" for C? Specifically, why choose "Charlie", which has a "Ch" sound, rather than a word with the hard "C" such as "Carl"? A cursory Googling turns up nothing.
3
votes
2answers
728 views

How are the runways operated at Toronto Pearson?

I have a sort of technical question regarding the operations of runway systems at larger airports, specifically at Toronto Pearson (satellite view here). As far as I can see, the airport has 5 runways:...
1
vote
1answer
3k views

What are the ICAO equipment codes for those Garmin units? [closed]

What are the ICAO equipment codes for those Garmin units? Garmin G500 / 750 / 650 WAAS navigators?
2
votes
1answer
886 views

“Cancel altitude restriction.” Under ICAO rules, does it cancel all altitude restrictions on a SID or STAR chart?

Let's say there are altitude restrictions at 5000ft, 11000ft, 15000ft, 18000ft on a SID chart. While you were following the SID (under ICAO rules), the Departure tells you "Climb 12000ft, cancel ...
2
votes
1answer
832 views

Can two Airlines have the same ICAO code but different IATA codes or vice versa?

We are trying to import all the Airlines into a Table. Plan is to Update existing Airline Data if not present then create it. For this we needed an unique way to identify the Airlines. Is ICAO+IATA an ...
6
votes
1answer
766 views

What sensors are required to fly RNAV 5 airways?

In the example shown above: Is an aircraft required to have all 3 sensors listed or just one of them to fly the L512 airway? What ICAO reference confirms the answer? Does 'critical DME' (bottom row) ...
7
votes
2answers
209 views

What body creates legally binding aviation regulations in Europe?

Currently trying to get general picture of aviation organisations in Europe. At what stage do regulations get the status of a law? ICAO issues SARPs, they are certainly not a law. Then, on the basis ...