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Companhia Nacional de Navegação (shipping company, Portugal)

Last modified: 2014-12-20 by klaus-michael schneider
Keywords: companhia nacional de navegação |
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[CNN wo/ logo (shipping company, Portugal)] 2:3 image by Al Fisher, 28 Jan 1999
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About the flag

Only one Portuguese house flag in Sandy Hook’s series in the 1930 Larousse Commercial [hok30]: «Cia. Nacional de Navegaçao», (no tilde on the "a"!) Lisbon: quarterly blue and white.
Jan Mertens, 09 Dec 2003

Also shown in The dumpy book of ships and the sea [sam57].
James Dignan, 10 Oct 2003

The 1959 edition of Flags, Funnels and Hull Colours by Colin Stewart [ste59] shows this flag under #311.
Al Fisher, 28 Jan 1999

It’s the same houseflag as the British Channel Islands Shipping Co.
Jarig Bakker, 15 Oct 2003

About the company

Empreza Nacional de Navegação, Lissabon - West Africa till Mossamedes and Porto-Alexandre. Houseflag: Blue and White quartered.
Jarig Bakker, 10 Oct 2003

[CNN w/ logo (shipping company, Portugal)] 2:3 image by Jan Mertensand Eugene Ipavec, 16 Nov 2010

Founded in 1881 as 'Empreza Nacional de Navegacao' by "Bensaude & Cia, Lima, Mayer & Cia and Ernst George to operate services to Africa" (and India, 1951-1972). Name change to C.N.N. in 1918; merger with Sociedade Geral de Comercio in 1972; wound up in 1985.
Simplon Postcards page, showing a number of ships:
The simple house flag - blue and white, the former royal colours - has been given a logo in the upper hoist in a table flag version. A white initial 'C', almost closed, surrounds two white stylized initials 'n' suggesting waves (I suppose we can discount the blue sleeve).
Would this have been the house flag 1972-1985 after the merger with Sociedade Geral de Comercio? Possibly, as shown on this page (halfway down; other interesting logos and flagoids).
Source: German eBay offer no. 290221927134
Jan Mertens, 2 Oct 2008

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