Gambia Airways, Bangui, Gambia, 1990 - 1995:

Gandalf Airlines, Milano, Italy, 1998 - 2004.     -  #1:

GARUDA, Jakarta, Indonesia,  founded 1950:
  -  #5(maker acs full)/#10(maker acs short),      #3,                        #8,                         #7:

   -                  #9,                          #11,                           #1,                              #1b: 

-         #14,                                #17,                                    #18:

Gazpromavia, Moscow, Russia, founded 1995.     -   #4,          #1:

GB Airways, London, UK, 1985-2008.
Founded by renaming from Gibraltar Airways and sold to/merged into EasyJet.   -  #1:

GEA Georgia Air Praque, Praha, Czechoslovakia, 1992-1998.    -   #1:

General Air, Hamburg, Germany, 1962-1976.   -  #1:

Georgian Airways, Tiblissi, Georgia, founded 2004 by renaming from 1993 founded Airzena.   - #1:

Germania, Berlin,  1978-2019.   -   #3,                             #2:

Germanwimgs, Cologne, 2002-2020:


     #9,                                                             #8 front and rear shown:

Ghana Airways, Accra, 1958- 2004. -  #1:

GMG Airlines, Dhaka, Bangladesh, 1997-2012.   -  #1:

GO Air,  Mumbai, India, founded 2005.    - #3,               #5 maker UGS in gusset:

GOL Linhas aéreas inteligentes, Sao Paulo, Brazil, founded 2000.
      -  #1,                                            #3,                         #4(plain rear)/#10(maker at rear):

#14(1st line"mehor", square corners),  #14a(round corners),   #16(1st line "mejor"):

Gorkha Airlines, Kathmandu. Nepal, founded 1996.  #1:

Generic: Sic-Sic - Picked 1980 from Grand Canyon Helicopter:

Great China, Taiwan: 1986 merged with Taiwan Airways to UNI AIR:

Gronlandsfly / Greenlandair, Nuuk, Greenland, 1960-2002 renamed to Air Greenland.  -  #1:

Gulf Air, Muharraq, Bahrain, founded 1950.               -  #1,       #5,         #7:

-   #12,                                       #8,                                                    #3:

-     #13(lateral clip),                                       #15,                             #18(vertical clip):

GullivAir, Sofia, Bulgaria, founded 2020.  -     #1:

Guna Airlines, Kathmandu, Nepal,  2009 - 2013 taken over by Simrik (q.v.).   -  #1(front and rear):

GX Airlines (Guangxi Beibu Gulf Airlines), Nanning, Guangxi Prov., China, founded 2014.  - #1: