What is the "fin" on the 737?


NickTrucker
 
What is the "fin" on the 737?
Source
What is the fin on the 737? - My, Aviation, Boeing, Boeing 737, Longpost, The photo
What is the fin on the 737? - My, Aviation, Boeing, Boeing 737, Longpost, The photo
What is the fin on the 737? - My, Aviation, Boeing, Boeing 737, Longpost, The photo

Boeing Boeing 737 Aviation The photo
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