Contextual menu. Turn on more accessible mode. Turn off more accessible mode . Skip Ribbon Commands. Skip to main content. Access the footer. Turn off. Search for aircraft that match the following: Please specify the criteria of information. Manufacturer. Model. ex: *Turbo*. Description. Amphibian, Gyrocopter. Aircraft Type Designators (Doc /46). SKU. CONM-C. Availability. In stock. Digital versions of ICAO publications are protected by security.
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Only one designator will be assigned per aircraft type.
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Home Questions Tags Users 843. Post as a guest Name. Compared to the website search function: As for the rules: Sign up using Facebook. How Designators are Formulated.
DOC – Aircraft Type Designators
ICAO assigns an aircraft type designator using the following principles:. I fail to understand when ICAO assigns a new code, and when not.
The relevant part to this question: The designator will not be longer than four characters and will generally begin with a letter. Roman numerals used as part of aircraft model names or numbers will be replaced by Arabic numbers.
I refer to the official ICAO database. The downloadable comprehensive PDF icao.
ICAO 8643 Aircraft Type Designators (Doc 8643)
Horst Walter 1 3 7. Email Required, but never shown. As you can see, two of the three are the same. A different designator for an alternate or subtype version of the aircraft will only be allocated when there is a significant difference in performance for ATS or no shared designator can be assigned.
That means the Aneo has significant performance change A20N vs. The Aneo is yet to fly, but A comes up on the website search.
A plane like the Boeing with three engine options doesn’t need different designators. My speculation is that the website search accommodates someone searching for “BBJ” in different ways why, I don’t knowor the database needs cleaning up. And judging by the actual designator, they are all the same.
Sign up or log in Sign up using Google. Nothing came up for the Aneo. As an example, I do not see the reason why there are 86443 entries in the database like the ones above.