Commercial airplanes can theoretically fly a little higher than this, and of course they can also fly lower if they choose to. Airliners.net is the leading community for discovering and sharing high-quality aviation photography. This line will break if the airframe submerges, or can be disconnected with a pre-supplied knife or disconnect handle. 28 If ground handlers access the aircraft via passenger doors to open the service door from the inside, procedures, communication and signals must be in use to protect both the worker inside the aircraft and any worker outside the aircraft door. Moderators: richierich, ua900, PanAm_DC10, hOMSaR, Military Aircraft FUEL RECEPTACLE GROUND HEIGHT The high pressure of the cabin forces the wedge-shaped, plug-like door into its socket. 11 There are 3 main types of aircraft door: 3) Upper deck doors (emergency evacuation). 18 Passenger doors may be accessed via air bridges, mobile access steps or integral aircraft steps. [3] The patent for the inflatable escape chute assembly was submitted by Boyle in 1954 and the designs was patented in 1956 under patent number 2,765,131. We thank you for your support and hope you'll join the largest aviation community on the web. Prior to moving the equipment the operator should advise any personnel on board the aircraft and/or the person responsible for the operation around the aircraft that the equipment is to be removed. The door is first cracked open then the stairs positioned. 20 These may be provided by the ground handler, the airport or the airline operator and should be designed to be compatible with the aircraft type, and to provide adequate protection from risk of falls. During transit or during maintenance visits, the aircraft doors may need to remain open for a number of reasons. 6) there are damage or defects to access equipment or fall protection equipment which give rise to significant risks an Improvement Notice should be considered. When activated, how long should the Emergency Lights last? What is the $K_{\text {eq }}$ for this reaction? [11], Inadvertent slide deployment occurs when the operator of the aircraft door attempts to open the door when it is in the armed position. It is probably not really safe for them to be much above 10,000 feet. AASI JETCRUZER. Did you know how aircraft doors worked? 22 Once the door is open adjustable guard rails on the access steps should be extended and locked in place such that the risk of any personnel/ equipment falling through the gaps between the aircraft and access steps is minimised. Which of the External Lights will automatically turn off when the landing gear is retracted, regardless of the position of their control switch? The Boeing 737 is designed to fill the smaller jet airliners space over a given range of seats. An extreme case of this sort of disaster was the US Airways aircraft which was forced to land on the Hudson river after a bird strike. (Continue to next page) 38 Where a company has specialist equipment, including equipment designed and constructed for use with only one type of aircraft or limited types, staff should be sufficiently competent to recognise and select the right equipment for the aircraft and task at hand. What are Special Service Request (SSR) codes? This allows for the prompt dispatch of the plane at one end, and an equally prompt disembarking process at the other. As far as possible signals and procedures should be standardised to avoid confusion for cabin or ground crew. Thanks for any help or direction where i can find this answer If you look on page 45 of this document, the table states the height of the Fwd passenger Entry Door in 9ft off the ground and the Aft Passenger Entry Door is 10ft 3in off the ground for the 737-800. Have you ever witnessed an event in which an unauthorized attend has been made to open one? A 750-cubic-inch (12.3-litre) gas cylinder can fill a slide with about 850cuft (24m3) of air to a pressure of about 3psi (0.20atm) in about four to six seconds. The slides are stored in cabinets usually beside the emergency exit inside the aircraft. 53 As part of a longer term strategy the Transportation Section is engaging with airlines and with vehicle and aircraft manufacturers and designers to raise awareness of requirements for safe access. Probably seats or so are the only thing they share.. take a look at the cross sections, the 757 is a very different airplane from the 737. Door straps on many aircraft are simply a warning device and are not fall protection systems. (Typically, modern slides are made of at least two inflation chambers, and should be able to evacuate an aircraft even when one chamber loses all pressure.). Your reliance on this aircraft size information is at your own risk. The following conditions are outlined by the ACAA regarding the carriage of a power wheelchair or scooter: If you arent sure how to disassemble your wheelchair, contact your local wheelchair supplier or reach out to the manufacturer. Where immediate prohibition could cause significant health and safety or air safety risks, a deferred notice should be considered. When he tired of the cracking and got ready to do some eating, he discovered he had 194 total pieces (whole nuts, shell halves, and kernels). by users, inspections by competent persons, as well as any statutory inspections required by Lifting Operations and Lifting Equipment Regulations (LOLER). So again, there has to be a balance, which accounts for the altitudes generally used. This is why when you are cruising in an airliner, it is usually bright and sunny, with all the cloud and rain below you. For thee A320, what is the "Minimum Theoretical Pavement Width for a 180 degree turn? What are the names of the control laws that are used to operate the flight controls? If it is not possible to open the door with such a platform in place, further precautions as detailed in the guidance must be utilised. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? 16 Open aircraft doors must be protected by effective fall prevention barriers, ground support equipment or other means. The CO2 is used to slow down the rate at which the valve expends the gases. 23 Clear procedures and means of communication should also be in place for removal of aircraft steps. This is all in addition to any maintenance that is specified by the manufacturer. Our large helicopter section. What can we see in terms of the general dimensions of Y1, in this respect? At the altitudes they use, there will be no light aircraft and helicopters, and no drones, which all fly much lower. Delta Air Lines' departing Boeing 737 plane then came to a safe stop on the John F. Kennedy International Airport runway as the other crossed in front around 8:45 p.m., the Federal Aviation . 51 Advice on access to aircraft can be sought from the Transportation Section in East Grinstead (503 4200) who are prepared to provide expert evidence on standards of safe access, if required. Use of the aircraft attachment points may be used as a means of averting damage to the aircraft door frames and other important parts. Every type from fighters to helicopters from air forces around the globe, Classic Airliners If the STROBE switch is in AUTO, the strobe will operate ________. Thanks for any help or direction where i can find this answer. Any standard fuel truck (i.e., hydrant/tanker) 54 Where inspectors consider that an airline has responsibilities for safety such as procedures for opening aircraft doors, they should contact the Transportation Section and airline Head Office lead PI to check the national situation before taking any enforcement action. These may be attached to the inside frame of the window exit, or located in a nearby storage locker. 42 The Work at Height Regulations 2005 address all work at height where a person could fall a distance liable to cause personal injury. A Type III inflatable ramp is a small platform that may be fitted to allow easy access from, for example, an over-wing wing exit door to an area of structure from where descent can be achieved either by a separate slide or by jumping, depending on the height. It is proposed that catering of the new Airbus A380 can be carried out via upper deck doors. Flight 1603 went back to the gate and was taken out of service. 2) the availability and adequacy of any existing fall protection measures including guarding and personal fall protection systems. Approximately how high is the bottom of the cabin door from the ground? There are also half-tie restraints which keep the inflating slide from drooping or blowing under the aircraft. This is rarely used however, because the lanyard attached to the handle runs through the girt to the valve, which is several inches too short when the girt is extended fully. We thank you for your support and hope you'll join the largest aviation community on the web. Aircraft doors are designed to be used on the ground, where they are not subjected to the pressure difference found at altitude. AIRCRAFT MODEL: WINGSPAN: . Each nut that was opened resulted in one kernel and two shell halves. Their suggestions involved planning, exiting the aircraft and getting off the slide quickly, jumping, the correct body position and avoidance of clothing that could cause safety issues, such as spiked heels and pantyhose. Ground to underbelly is 226 to 246 cm on SP. Planes flying in approximately westerly directions have to fly at even altitudes. This means that planes flying in opposite directions to each other are at least 1000 feet apart, so avoiding a possible collision and making for safer flights. What rights do airline passengers with disabilities have in Europe? This damage can be classified as follows: Where doors are open and passengers are on board the aircraft it is particularly important that the doors are guarded either by a physical barrier or by a suitably trained crew member. All cabin door are equipped with a ______. These restraints are constructed so that when the slide becomes fairly rigid, at around 1.5 to 2psi (0.10 to 0.14atm), they detach very quickly (there are usually two), and since the header tubes are already against the fuselage, the slide pops almost horizontally out from the door, then drops relatively gently to the ground. The 777F accommodates 27 standard pallets (96 by 125 inches; 2.5 by 3.1 meters) on the main deck. Further guidance is also contained in various British and European standards on which the Transportation Section can advise. Memorandum of Understanding between HSE and CAA, Access steps in use without guard rails on steps or upper platform, Position existing guard rails or take steps out of use until suitable guard rails are fitted, Ground handler reaching across unguarded gap at height to open/close aircraft door without suitable guard rails or personal fall protection, Adequately guarded access equipment or personal fall protection to be provided and used, with suitable training, Aircraft doors open and unguarded when passengers or workers on board aircraft, Door to be guarded/ protected or closed, or ground support equipment to be positioned outside aircraft to provide protection, Preventing falls from height from, or when opening or closing aircraft doors. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would be unable to step down from the door uninjured ( Federal Aviation Administration requires slides on all aircraft doors where the floor is 6 feet (1.8 m) or more above the ground). 62 The long term aim should be better designed access equipment, better guarding, and improved design of aircraft doors and their opening mechanisms. These are usually cylindrical, hollow aluminum tubes with sliding cylindrical or internal flapper doors that open when high pressure gas is applied, and close when the gas stream subsides and the internal slide back pressure reaches about 2.5 - 3.0 psi. Beautiful shots taken while the sun is below the horizon, Accidents Aircraft flying government officials, Helicopters [8] Even where only a Type I slide is fitted it has sufficient buoyancy to act as an aid in the event of a water landing. 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Join the largest aviation community on the web integral aircraft steps 2.5 by 3.1 meters ) on main!
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