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Questions tagged [icao]

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

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2answers
164 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 ...
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1answer
82 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 ...
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3answers
170 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 ...
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129 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 ...
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41 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 ...
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1answer
52 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?
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36 views

Are the Australian NASF guidelines based on ICAO standards?

Here in Australia we have a set of regulations called the "National Airports Safeguarding Framework" (NASF); these consist of 9 federally imposed guidelines for: Measures for Managing Impacts of ...
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1answer
63 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 ...
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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 ...
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2answers
257 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 ...
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0answers
142 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 ...
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2answers
157 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 ...
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54 views

Based on PANS-OPS, what is the earliest turning point that can be used in a missed approach?

I am studying ICAO's PANS-OPS 8168 manual, and I have noticed conflicting guidelines regarding the permitted earliest turning point during a missed approach. In section 6.2.1.1, it clearly states: ...
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1answer
136 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 ...
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46 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.
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40 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, ...
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1answer
147 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?
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69 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
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1answer
174 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 ...
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1answer
130 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 ...
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1answer
177 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 ...
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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?
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1answer
118 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, ...
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1answer
152 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 ...
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1answer
306 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 ...
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142 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 ...
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103 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?...
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1answer
497 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
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2answers
858 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 ...
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1answer
136 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 ...
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1answer
301 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.
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1answer
261 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 ...
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0answers
169 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
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2answers
263 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 ...
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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.
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2answers
438 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:...
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1answer
1k 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
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1answer
713 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
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1answer
653 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
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1answer
634 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
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2answers
183 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 ...
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2answers
6k views

Where can I find a free list of ICAO and IATA airport identifiers?

Is there an open source or free comprehensive (or close to it) list of ICAO to IATA airport identifiers? The official list from ICAO costs hundreds of dollars. I suppose such a list could be scraped ...
2
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1answer
1k views

How do I fill the PBN\ part in a Flight Plan Form?

Flight Plan Form Section 10 is the "Equipment" section, where one input whatever navigation or communication equipment on board. In addition, Section 18 is the "Other information" section, where you ...
7
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1answer
161 views

Do noise abatement procedures have an impact on aircraft emissions?

The ICAO has imposed Noise Abatement Departure Procedures (NADP1 and NADP2) in order to limit the noise impact of departing aircraft on communities living nearby airports. Could noise reduction lead ...
5
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1answer
565 views

What differences are introduced between ICAO Annex 10 volume IV amendment 85 and amendment 89?

What changes have been made to ICAO Annex 10 volume IV (Surveillance Radar and Collision Avoidance Systems) between amendment 85 and amendment 89? I only have access to amendment 89, but I have some ...
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2answers
101 views

Which agency issues private pilot certificates?

With which agency would you apply if you wanted a private pilot certificate? Is it FAA (Federal Aviation Administration), NTSB (National Transportation Safety Board), or ICAO (International Civil ...
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0answers
71 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 ...
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1answer
272 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)?
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2answers
1k views

Do the ICAO and IATA codes for an airport ever change?

Do ICAO and IATA codes ever change for airports in time? If they do, how often does it occur? I am developing an app for airports and I am thinking of setting the uniqueness of an airport through ICAO ...
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0answers
167 views

What is the ASTERIX terminology for an atomic piece of information?

The ASTERIX standard defines the smallest piece of metadata information: Data Item: The smallest unit of information in each Data Category. And the implementation equivalent: Data Field: ...