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Aviation History
1951
1951 - 0736.PDF
H.M.S. INDOMITABLE Key to numbered annotation. 1 2 3 4 5 6 7 8 Workshops Washplace Messes Messes Ship's office Boiler-room air intakes Parachute drying room Messes 9 10 II 12 13 14 15 16 17 Petty officers mess Messes Paravane bays Wardroom Wardroom pantry Wardroom galley Boiler vents Bakery Lt. Cdr. (Flying) cabin 18 Cabins 19 Canvas store 20 Cable store 21 Ship's company recrea- tion flat 22 Messes 23 Annexe 24 Communications office 25 Canteen-staff mess 26 Locker flat 27 Bathroom 28 Passage 29 Bathroom 30 Hydraulic room 31 Cabins 32 Hangar canteen 33 Sick bay 34 Routine office 35 Bathroom 36 Commander (Air) cabin 37 Admiral's secretary's cabin 38 Staff officer's cabin 39 Admiral's office 40 Flag Lt.'s cabin 41 Staff officer's cabin 42 Admiral's bathroom TRAFFIC LIGHTS ADMIRALS BRIDGE FIRE CURTAIN DIRECTOR - HANGAR DOORS '.—'////• Although there are manifest differences in detail the basic arrangement of all British carriers is the sar.i In essence the carrier is, of course, nothing more than & ,-jghly compact air station mounted aboard a ship. Aside from the air station, the carrier is much like any other warship with its mess decks, stores, cabin flats, engine room, workshop3 and so forth. Superposed on all this, however (and K extent surrounded by it), is the hangar accommodatin its attendant storerooms and workshops, the whol topped off with the flight deck. Slightly forward o ships, and on the starboard side of the vessel, is the "i a structure housing the operational executive office.1, ship, the funnel, masts, and radio and radar antenna flight decks of British fleet carriers arc of armour~p: some , with being amid- the The (by contrast with the American practice of using wooden decks with atl strong deck" underneath), and although the prob- lem of aircraft skidding is rather acute on a steel deck, the security which such construction offers in other respects, is, to say the least, a comforting feature. Along each side of the flight deck are safety troughs, operating stations for deck gear, walkways and the A.A. gun sponsons. At the extreme forward end of the flight deck is the catapult —a hydraulically actuated trolley running along a slot in the deck in order to accelerate an aircraft to flying speed in a distance of something over looft. Each light fleet carrier has its catapult on the port side of the flight deck, but the new fleet carriers will be equipped with a pair, one each port and .starboard. Across the flight deck, abreast the island, are the crash barriers, which are always raised when an aircraft is landing, and rsarward of these the after two-fifths of the flight deck is straddled by a number of arrester wires, die number of which varies according to the class of carrier. The arrester wires are specially flexible pre-laid steel ropes, which are rove in pairs at 12 : 1 ratio to single cylinder-units. The hydraulic fluid is a 50/50 mixture of water and glycerine, and displace- ment of this fluid by movement of the piston is progressively restricted so as to give a constant deceleration rate. Of the ten arrester wires in a light fleet carrier, the first eight have a maximum pull-out of 154ft, whilst the final two have a maxi- mum travel of 128ft. Raising, lowering and re-setting the wires is controlled remotely from a station at the port side of the flight deck abreast the after lift. The wires, incidentally, are normally raised a few inches above the deck, being so
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