Alaskan Airlines Commodity Codes

Code	English	Spanish	Elaboration
A	Aircraft on Ground	aeronave en tierra	Usually an Aircraft Part
B	Local Bags	Bolsas Locales o equipaje local
C	General Air Freight / Cargo	Carga
D	CREW BAG AND EXPEDITE	BOLSA DE LA TRIPULACIÓN Y ACELERAR
E	Heavy Bag	Bolsa Pesada
EB	Heavy Local Bag
EI	Heavy Interline Transfer Bag
EX	Heavy Online Transfer Bag
F	First Class & Priority Mail (USPS)	Correo de primera clase y prioritario (USPS)
G	Goldstreak Package Express (GSX)		Human Organs, Human Organ by-products, Human blood, Most Medical Shipments (99.9% of the time, allegedly)
H	Ballast	Lastre
I	Interline Transfer Baggage	Equipaje de transferencia entre líneas	Being transfered across more than one airline in a multi-stop trip.
K	Animals	Animales	Pets (check this; not on Stuvia version)
M	Non-Priority Mail	Correo no prioritario
O	Oversized	De Gran Tamaño
P	Bag to be Claimed at Gate	Bolsa para reclamar en la puerta
Q	COMAIL/COMAT	Correo de la empresa u otros materiales de la empresa	Shipments originating from AS or QX
R	Human Remains	Restos Humanos	Includes things like human remains, organs for transplant, lab specimen shipments
S	Stop Blocks (a secondary restraint device)		Used on 737-800s, 737-900s, 737-900ERS and the MAX-9s
X	Online Transfer Bags		Being transfered across a multi-stop trip, but all on the same Airline.
Z	Mobility device	Dispositivo de movilidad	Mobility Aid (wheelchair) manual 30 electric actual weight
Z Battery	Battery Powered Mobility Device
Z Manual	Manual Powered Mobility Device

NOTE:  Coming out of the first week, I had a rather imperfect set of these definitions (Partly because I was not fast enough to write down what Destiny had in her lectures).
Now that Raymond Thomas sent around his texts, I have access to more solid and reliable stuff, not because his stuff is necessarily better, but because it was in a computer
file, which I find easier to work with.