(all displacements are standard.)
Ship Classifications of the Marina de Filipinas:
Acorazados (Battleships) - "B"
Grandes acorazados (Large Battleships).
Battleships with a main armament of 410mm or larger.
Acorazados de primera clase (First Class Battleships)
Battleships with more than six guns of a caliber of 305mm to 406mm.
Acorazados de segunda clase (Second Class Battleships)
Battleships with fewer than six guns of a caliber of 305mm or larger.
Cruceros (Cruisers) - "C"
Cruceros de batalla (Battlecruisers)
Cruisers with six or more guns of a caliber of 305mm or larger, OR eight or more of 283mm or larger.
Cruceros mayor (Large Cruisers)
Cruisers with guns of 250mm or larger but smaller than 283mm, OR with fewer than eight guns of 283mm to 305mm, OR with fewer than six guns larger than 305mm. The Panzerschffen and the "Outrageous"-class fit this category.
Cruceros de primera clase (First Class Cruisers)
Cruisers with a main armament of 200mm to 240mm.
Cruceros de segunda clase (Second Class Cruisers) - "CL"
Cruisers with a main armament of 190mm or smaller.
Cruceros de acompañamiento (Escort Cruisers) - "CE"
Cruisers with a speed of 24 knots or less, a displacement of 13,000 tons or less, and guns of 240mm or smaller.
Cruceros de minadores (Minelaying Cruisers) - "CM"
Minelayers of 1200 tons or greater.
Cruceros de hidroavión (Seaplane Cruisers) - "CH"
Cruisers with an enhanced capability of operating seaplanes. (Think Tone - or even the Ise conversions.)
Cruceros portaaviones (Aircraft-carrying Cruisers) - "CV"
Cruisers with the capability of operating wheeled aircraft.
Other ships
Fragatas (Frigates) - "F"
Destroyers of 1,601 tons or greater.
Destructores (Destroyers) - "D" (including "F" up to F-8, and "R" up to R-10)
Destroyers of 601-1,600 tons.
Cazadores de submarinos (Subchasers) - "E"
Destroyers of 600 tons or less.
Submarinos (Submarines) - "S"
Duh!
Torpederos (Torpedo Boats) - "T"
Ships carrying guns of 100mm or smaller, with a primary mission of torpedo attack.
Monitores (Monitors) - "M"
Ships of 601 tons or greater, with a primary mission of shore bombardment.
Canoñeros (Gunboats) - "G"
Ships of 600 tons or less, with a primary mission of shore bombardment.
(Designators for this class include caliber; the fourth 100mm-armed gunboat would be 'named' G100-4.
Artes de patrulla (Patrol Boats) - "P"
Ships of 2,000 tons or less, mounting guns of 94mm or smaller, with a primary mission of security patrols.
Dragaminas (Minewseepers) - "MS"
Minesweepers of 301 tons or greater.
Dragaminas costeros (Coastal Minesweepers) - "MSC"
Minesweepers of 300 tons or less.
Minadores (Minelayers) - "ML"
Minelayers 1199 tons or less.
Portadores del hidroavión (Seaplane Carriers) - "H"
Ships, that are not cruisers, with the primary mission of carrying seaplanes.
Transportes (Transports) - "R"
Ships with the primary mission of transporting troops.
Buques Polares (Polar Ships) - "I"
Includes icebreakers.
Petroleros (Oilers) - "O"
Replenishment oilers.
Carboneros (Colliers) - "L"
Colliers.
Others will be added as I need to add them to the fleet.
The current alphabetical order...
A -
B - Battleships
C - Battlecruisers, Large Cruisers, First Class Cruisers
CE - Escort Cruisers
CH - Seaplane Cruisers
CL - Second Class Cruisers
CM - Minelaying Cruisers
CV - Aircraft-carrying Cruisers
D - Destroyers
E - Subchasers
F - Large Destroyers (Frigates)
G - Gunboats
H - Seaplane Carriers
I - Icebreakers
J -
K -
L - Colliers
M - Monitors
ML - Minelayers
MS - Minesweepers
MSC - Coastal Minesweepers
N -
O - Oilers
P - Patrol Boats
Q -
R - Transports (formerly, Large Torpedo Boats)
S - Submarines
T - Torpedo boats
U -
V -
W -
X -
Y -
Z -