Electronic Aeronautical Symbols
Published August 3, 2011 by SAE International in United States
This Aerospace Recommended Practice (ARP) provides design philosophies, guidelines, requirements, and a set of recommended symbols, lines, and linear patterns for aeronautical information presented on electronic flight deck display devices.
Specifically, this document addresses symbols, lines, and linear patterns historically seen on aeronautical charts. It provides recommended symbols for navigation aids, airspace boundaries, missed approach holding patterns, etc. The document does not address all aeronautical symbols, lines, or linear patterns, nor does it provide specific recommendations about color, text and fonts, line weight, or symbol size. Additionally, it does not provide recommendations for non-aeronautical symbols such as traffic or weather.
The general guidelines, recommendations and requirements are intended to apply regardless of whether the display application is intended for IFR or VFR operations and regardless of the type of aircraft (14 CFR Part 23, 25, 27, or 29). The recommendations are applicable to all electronic display applications within the flight deck, regardless of where they are located, such as on:
Electronic Map Displays (EMD)
Electronic Chart Displays
Electronic Flight Bags (EFB)
Stand alone and Multi-Function Displays
Navigation Displays (ND)
These recommendations also apply to symbols, lines, and linear patterns that are generated in real time from individual elements from an onboard database then overlaid onto a pre-composed image. They are not intended to apply to the electronic display of static pre-composed images in the form of a pre-existing graphic or file image. However, that does not preclude manufacturers of pre-composed images from using these recommendations.
There are permanent benefits to be gained from industry standardization of the symbols specified in this document.
For any aircraft, when new symbols are introduced to an existing function, they shall be compliant with this document. Upgrades to existing fleets or displays that do not introduce new aeronautical elements are encouraged but not required to comply with the symbology requirements in this document.
These recommendations apply to two-dimensional displays. While the recommendations in this document do not specifically address 3-D display symbology, the guidance and recommendations may also be appropriate for 3-D displays.
This document is an update of SAE Aerospace Recommended Practice ARP5289, issued on 09-01-1997, containing recommended aeronautical symbols that typically appear on aeronautical charts, but which may also be depicted on flight deck electronic display devices. The purpose of this document is to provide general recommendations and also a specific recommended set of symbols, lines, and linear patterns to be used on electronic display devices to promote consistency across display applications, aircraft types, and operations.
Data Sets - Support Documents
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|TABLE 1||PRIORITIZATION OF SYMBOLS|
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|TABLE D1||AIRSPACE TYPES SORTED BY DEPICTION CATEGORIES|
|TABLE E2||EXAMPLES OF RECOGNIZED NAVIGATION AIDS AND FIX SYMBOLS (DOT-VNTSC-FAA-05-16)|
|TABLE E3||LINES FOR WHICH PILOT KNOWLEDGE WAS ASSESSED (DOT-VNTSC-FAA-07-07)|
|TABLE E4||CONVENTIONS THAT PILOTS ASSOCIATE WITH SPECIFIC LINEAR ELEMENTS (DOT-VNTSC-FAA-07-07)|
|TABLE E5||LINE PATTERNS TESTED IN VOLPE CENTER STUDY (DOT-VNTSC-FAA-09-03)|
|TABLE E6||LINES AND LINEAR PATTERNS ASSESSED IN VOLPE CENTER STUDY (DOT-VNTSC-FAA-09-03)|
|TABLE E7||ACCURACY OF IDENTIFYING THE LINEAR PATTERNS, FOR PILOTS WHO HELD INSTRUMENT RATINGS AND PILOTS WHO DID NOT HOLD INSTRUMENT RATINGS (DOT-VNTSC-FAA-09-03)|
|TABLE E8||AIRSPACE AND BOUNDARIES THAT WERE CONSIDERED TO BE VERY USEFUL FOR PILOTS WITH INSTRUMENT RATINGS AND PILOTS WITHOUT INSTRUMENT RATINGS (DOT-VNTSC-FAA-09-03)|