Case required Sources disagree
Rigid, lockable case, properly identified
The tariffs permit a sporting firearm to be either disassembled OR packed in a "suitable case", with no requirement that the case be rigid or lockable. The website requires a rigid, lockable case and offers no disassembly alternative. Not resolved here.
airtransat.com Firearms must be packed in a rigid, lockable case and properly identified.
Tariff (contract of carriage) provided that such firearms are disassembled or packed in a suitable case
Follow the stricter of the two. Meeting the tougher requirement satisfies both, and the contract of carriage is what the airline can enforce at the counter.
Locks required Published
Firearm must be unloaded and the case must be lockable. No trigger lock, cable lock or other secure locking device on the firearm itself is stated, and no distinction is drawn between restricted and non-restricted firearms.
The page requires a "lockable" case rather than a locked one, and states no trigger-lock requirement. Recorded exactly as written; not reconciled against the federal storage and transport regulations, which are covered by the government-rules-reference capability.
Air Transat’s wording
Firearms and ammunition must be packed in separate pieces of checked baggage; they cannot be packed together and the firearm must be unloaded.
Firearms must be packed in a rigid, lockable case and properly identified.
How much ammunition Sources disagree
Maximum 5 kg (11 lb) of secured, boxed cartridges for sporting purposes per passenger. Gunpowder and gunpowder pellets strictly prohibited.
The website expressly permits up to 5 kg of boxed cartridges as checked baggage. All three tariffs list "Explosives, ammunition, corrosives, flammables, or otherwise dangerous material" among articles carried only with the Carrier's prior consent, which reads as a stricter, consent-gated regime. Not resolved here.
airtransat.com Maximum 5 kg (11 lb) secured, boxed cartridges for sporting purposes allowed per passenger.
Tariff (contract of carriage) The following articles will be carried only with prior consent of the Carrier: ... ii) Explosives, ammunition, corrosives, flammables, or otherwise dangerous material;
Follow the stricter of the two. Meeting the tougher requirement satisfies both, and the contract of carriage is what the airline can enforce at the counter.
How to pack ammunition Published
Strong container made of plastic, wood or metal; recommended to place the properly packed ammunition inside a suitcase cushioned with clothing. Must be in a SEPARATE PIECE of checked baggage from the firearm - they cannot be packed together.
Air Transat is the strictest Tier 1 carrier on this point: separate PIECES of checked baggage, not merely separate containers within one bag. Air Canada requires separate containers; WestJet and Porter permit one bag with separate containers.
Air Transat’s wording
Ammunition must be packed in a strong container made of plastic, wood, or metal. To avoid shock movement, it is recommended that properly packed ammunition be placed inside a suitcase and cushioned with clothing.
Firearms and ammunition must be packed in separate pieces of checked baggage; they cannot be packed together and the firearm must be unloaded.