Passengers who are planning to bring unusual items like wedding dresses and musical instruments onto their flight may be wondering if there are any additional rules.
With most top airlines, rules - as well as additional costs - are dependant on the size of the item as well as any special care that it may require.
Wedding dresses in particular can often be brought on as hand luggage, so long as they meet the general hand luggage standards that the airlines have in place.
Valuable items can sometimes receive especial care with airlines offering a declaration of value on your package.
Here are leading airlines' rules for travelling with unusual Items.
EasyJet
EasyJet says that customers are welcome to bring wedding dresses onto flights as hand luggage, so long as it falls within their set dimensions which are 56 x 45 x 25 cm. They have to be placed in your overhead locker as easyJet say there is not enough space front or back of the aircraft.
Other unusual objects will either be categorised as small or large cabin bags, must meet standard size requirements and fit in the overhead locker.
Large objects like musical instruments can go into the hold, and EasyJet recommend buying specialist insurance.
Alternatively, you can book an instrument a seat, but it will need a ticket of of its own, it must fit in a seat in it's case, weighing less than 75kg and must not pultrude 30cm above the top of the seat back. Further details can be found on the easyJet website.
Ryanair
Ryanair will allow you to book an extra seat for wedding dresses and other valuable items that you do not want to put into the luggage hold.
They say you can being items that "can be safely and conveniently secured in an extra seat which you have paid for."
Musical instruments can be booked in, costing £50 online and £65 at the airport.
Other unusual permitted luggage includes drones, parachutes, and an avalanche rescue pack. Check the permitted items list to make sure that you can travel with your unusual luggage.
Ryanair also offer a "Fee for Special Declaration of Valuable Baggage" which costs £50 and will allow for higher limits on carrier liability.
Jet2
Like easyJet, valuable clothing items can be brought onto Jet2 flights free of charge so long as they meet all of the standard requirements.
If you plan to check wedding clothing as hold luggage, they ask that you take care when packing it to avoid possible damage.
Small instruments that are 56cm x 45cm x 25cm and weighs less than 10kg can be brought on as hand luggage. Jet2 also allow you to book instruments onto flights for a £30 charge providing it weighs less than 22kg.
Large instruments will have to be booked with a seat of its own, and must be under 65kg and must be booked on a non-emergency window seat.
Other uncommon permitted items include parachutes, fishing equipment, and diving equipment like air tanks.
TUI
TUI allow you to bring on valuable items of clothing as hand luggage, if you are checking valuable clothing they recommend that you get a wedding dress box to ensure that they remain secure.
They also offer the bride and groom an extra 5kg hold luggage each if you book your wedding with them.
Instruments, diving gear and drones are all allowed on TUI flights provided they meet the size, weight, and safety requirements listed on their website.
British Airways
British Airways will let you bring your dress onto the plane and on long haul flights you may be able to hang it up if there is space in the cabin. This service is not available on short haul flights.
Valuable clothing can be part of either your hand or checked luggage allowance, but you can also call to book an additional seat for luggage.
British Airways also allow for many uncommon items to come aboard planes provided you call in advance and ensure the item is permitted.
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