Fighter: Prosecutor
Bomber: Barghest
Freighter: Draugr
Transport: Bison
Gunboat: Inquisitor (or the old LH GB, either or)
Frigate: Peregrine
Cruiser: Hel
Battlecruiser: Bullhead (Judicator when it was one)
Battleship: Arbiter (when it wasn't stubby)

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Fighter: Lynx
Bomber: Cougar
Freighter: Clydesdale
Transport: Pachyderme
Gunboat: Oder
Frigate: Junker Salvager
Cruiser: Donau
Battlecruiser: Bullhead
Battleship: Tokugawa

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Fighter: Eagle
Bomber: Roc
Freighter: Kestrel
Transport: Grouse
Gunboat: Corvo
Frigate: None
Cruiser: None
Battlecruiser: None
Battleship: None

They have bird names, therefore they fly best.

Fighter: Defender
Bomber: Don't have one as of now
Freighter: Kestrel
Transport: Armored Transport
Gunboat: I'm in the mood for an Inquisitor
Frigate: Raba
Cruiser: I have yet to find a cruiser I favor
Battlecruiser: Have not found one I like entirely.
Battleship: Liberty "Overlord"-class Dreadnought, it's design and abilities in the game is one of the reasons why I'm into the Discovery mod. (Also, I'm in love with said ship)

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Fighter: Eagle
Bomber: Roc
Freighter: None
Transport: Golem
Gunboat: Condor
Cruiser: Donau
Battlecruiser: Vidar
Battleship: Bismarck

This list is purely by aesthetic / model, though in-game other factors are considered before buying a ship.

Hard to pick one, so I will just put top 3:
Fighter: Plover, Claymore, Defender
Bomber: Pytho, Blacktip, Roc
Freighter: Kestrel, Clydesdale, Rhino
Transport: Kaiser, Mammoth, Bison/Stegodon
Gunboat: Condor, Defiant, Imperator (really wish the 2 heavies are at the front 2 slots instead)
Frigate: Peregrine, Raba, Salvager
Cruiser: Storta, Donau, Resheph
Battlecruiser: Interdictor, Komainu, Tirpitz
Battleship: Valor, Overlord, Ranseur

Fighter: Sabre, Templar
Bomber: Thor MK II
Freighter: --
Transport: Serenity
Gunboat: Defiant
Frigate: ---
Cruiser: Crecy, Storta
Battlecruiser: BBC
Battleship: Kirk, Valor

I couldn't pick just 1 for a couple categories

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Fighter: Crow (a sad loss to the game)
Bomber: Upholder
Gunboat: Liberty Navy (forget the name)
All others are practically useless to me except maybe some kind of Freighter for money farming.

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Transport: Serenity, Storck
Gunboat: Condor
Yeah, that is about it...

Fighter: Sabre|Lynx|Valkyrie
Bomber: Evocatus|Cougar
Freighter: Drone|Dromedary
Transport: Indifferent
Gunboat: Ashikaga|Oder|Perilous
Frigate: Indifferent
Cruiser: Donau|Triumph|Takeda
Battlecruiser: CNS-Segovia

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