AECL logo with stylized A and orbit symbol to the left of the serif text AECL.
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Atomic Energy of Canada Limited

Atomic Energy of Canada Limited (AECL) is a federal Crown corporation mandated to enable nuclear science and technology. Its visual identity is built around the Flying A design mark, a stylized letter A registered as a trademark since the late 1960s.

Country: Canada

Industry: Energy

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Website: Website

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Atomic Energy of Canada Limited (AECL) is a federal Crown corporation mandated to enable nuclear science and technology, derive value from Canada’s CANDU intellectual property, and fulfill the Government of Canada’s radioactive waste and decommissioning responsibilities.[1] The organization’s visual identity is built around a distinctive mark known as the “Flying A” design, which has served as the corporation’s symbol for decades.

Design and History

The AECL “Flying A” design mark is a stylized letter A that has been registered as a trademark since the late 1960s.[2] The mark features a stylized A with a flying atom or ball appearing at the front of the design.[2] AECL’s own copyright and trademark notices list the mark formally as “A & Design (‘Flying A’).”[3]

The Flying A mark has appeared on virtually all of AECL’s letterheads, business cards, proposals, invoices, brochures, signage, equipment, trucks, uniforms, hardhats, products and advertisements, according to evidence filed by the corporation in Federal Court.[2] The mark was also used on commemorative items and employee recognition awards, including long-service plaques featuring the maple leaf and Flying A symbol at the top.[4]

During the 1980-2000 era, signage at Chalk River used white characters on an “AECL blue” background with a gold “Flying A” logo.[5] The mark was also engraved on commemorative artifacts such as beer mugs and candle holders produced for employees.[6]

Meaning and Symbolism

The Flying A design combines the letter A with a flying atom or ball element.[2] In a 2009 Federal Court case, AREVA argued that this flying atom or ball created an immediate and obvious difference between AECL’s mark and AREVA’s own stylized A design, while AECL noted that both parties admitted both marks were stylized A’s.[2] The court ultimately found that the nature of the nuclear wares and services business made confusion between the two marks unlikely in practice.[2]

Typography and Design

Documented color usage for the AECL identity includes “AECL blue” as a background color with gold for the Flying A logo, as seen on signage used at Chalk River during the 1980-2000 era.[5] The current AECL website does not display the Flying A mark in its header, and no official source documents a specific redesign date or rationale for any change in the corporation’s visual identity.

Logo Index is an independent educational archive covering logos, visual identities and graphic design history. All trademarks and brand assets remain the property of their respective owners.

Logo data

Measured from the original SVG file on 30/09/2026.

Colors

Pure black, single color.

  • #000000Black, 100%

    RGB 0, 0, 0; CMYK 0, 0, 0, 100

    White text 21.0:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Energy

217 measured Energy logos

Only 16% of Energy logos in the archive use black as the main color.

  • Main color black16%
  • Combination mark69%
  • Single color26%
  • Most common main color here: blue38%

From measured files, not tags. Updated 28/10/2026.

Structure

Logo type
Combination markClassified by AI
Proportions
3.6 : 1Horizontal
Ink coverage
23%77% empty space inside the outline
Symmetry
Asymmetric14% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate8 shapes, about 351 points

Typography

Lettering style: Serif, uppercase.

This is a style class, not the exact font. The font has not been documented.

Free fonts in this style: EB Garamond, Libre Caslon Text, Playfair Display

Visual description

Classified by AI

Symbol shows
Stylized letter A with orbit
Style
Geometric, minimal, technical
Layout
Symbol left of the name
Techniques
Monogram, letter used as symbol, negative space
Text in the logo
AECL

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