Passengers are not permitted to carry the following articles into the security restricted area and the cabin of an aircraft: Guns, Firearms & Weapons; any object capable, or appearing capable, of discharging a projectile or causing injury, including: All firearms (pistols, revolvers, rifles, shotguns, etc.) Replica and imitation firearms, Component parts of firearms (excluding telescopic sighting devices & sights), air pistols, rifles and pellet guns. Signal flare pistols, Starter pistols, Toy guns of all types,ball bearing guns, industrial bolt and nail guns, cross bows, catapults, harpoon and spear guns, Animal humane killers, stun or shocking devices, e.g. cattle prods, ballistic conducted energy weapons (laser), lighters shaped like a firearm.
Pointed/edged Weapons & Sharp Objects; pointed or bladed articles capable of causing injury, including axes & hatchets, arrows and darts, crampons (grappling iron, hooked bar of iron, or plate with iron spikes used in mountaineering), harpoons & spears, ice axes & ice picks, ice skates, lockable or flick knives with blades of any length, knives, including ceremonial, religious and hunting knives, made of metal or any other material strong enough to be used as a potential weapon, meat cleavers, machetes, open razors and blades (excluding safety or disposable razors with blades enclosed in cartridge), sabres, swords and swordsticks, scalpels, scissors with blades of any length, ski and walking/hiking poles, throwing stars, tradesman's tools that have the potential to be used as a pointed or edged weapon, e.g. drills and drill bits, box cutters, utility knives, all saws, screwdrivers, crowbars, hammers, pliers, wrenches/spanners, blow torches.
Blunt Instruments: any blunt instrument capable of causing injury, including baseball and softball bats, clubs or batons - rigid or flexible - e.g. billy clubs, blackjacks (truncheon of leather covered lead with flexible shaft), night sticks & batons, cricket bats, golf clubs, hockey and hurley sticks, lacrosse sticks, kayak and canoe paddles, skateboards, billiard, snooker and pool cues, fishing rods, martial arts equipment, e.g. knuckle dusters, clubs, coshes, rice flails, num-chucks, kubatons, kubasaunts.
Explosives and flammable substances; any explosive or highly combustible substance which poses a risk to the health of passengers and crew or the security/safety of aircraft or property, including ammunition, blasting caps, detonators & fuses, explosives and explosive devices, replica or imitation explosive material or devices, mines & other explosive military store, grenades of all types.gas & gas containers, e.g. butane, propane, acetylene, oxygen - in large volume, fireworks, flares in any form and other pyrotechnics (including party poppers and toy caps), non safety matches, smoke generating canisters or cartridges, flammable liquid fuel, e.g. petrol/gasoline, diesel, lighter fluid, alcohol, ethanol, aerosol spray paint, turpentine & paint thinner, alcoholic beverages exceeding 70% by volume (140% proof)
Chemical and Toxic Substances; any chemical or toxic substances which pose a risk to the health of passengers and crew or the security/ safety of aircraft or property, including: acids and alkalis, e.g. spillable "wet" batteries, corrosive or bleaching substances - e.g. mercury, chlorine, disabling or incapacitating sprays - e.g. mace, pepper spray, tear gas, radioactive material - e.g. medicinal or commercial isotopes, poisons, infectious or biological hazardous material - e.g. infected blood, bacteria and viruses, material capable of spontaneous ignition or combustion, fire extinguishers (excepting as authorised by fire protocols and as aircraft emergency equipment)
Guns, firearms, ammunition and weapons (including replica items), paints, Christmas crackers, items with internal combustion engines such as chainsaws, model aircraft, lawnmowers, etc., may not be carried in any baggage (whether checked or unchecked)
-http://www.ryanair.com/en/questions/what-items-are-prohibited-from-being-carried-in-the-cabin-of-the-aircraft
