Whereas, I think the 737 looks very short and squatty. On February 9, 2020, a British Airways Boeing 747-400 broke the New York-London subsonic airliner speed record in 4 hours 56 minutes, pushed by the . Contravention of the ANO or any Regulations made under it is a criminal offence. According to Quora user and aircraft maintenance engineer Jan Krusat, the makeup of the 767's design team played a key role. 50 Advice on enforcement is given in paragraphs 56 - 63 describing a number of scenarios that inspectors may encounter, to aid the inspector when they are considering enforcement. 11 There are 3 main types of aircraft door: 3) Upper deck doors (emergency evacuation). Airliners.net is the leading community for discovering and sharing high-quality aviation photography. 59 Consideration should be given to risk control systems for equipment procurement, maintenance and thorough examination, as well as training in procedures, selection and use of equipment, systems for maintaining edge protection and restricting access to unguarded edges, and management control of contractors. Did you know how aircraft doors worked? Other means of access includes service vehicles such as catering high loaders. 37 Supervisors with a responsibility for ensuring that the workplace is safe must be able to recognise any inadequacies in equipment or work practices and will therefore need suitable training. . However, not all of these documents or standards are specific to aircraft access and will need to be interpreted in the light of the task and the law, as summarised earlier. For further information on the MoU, see Appendix 1 guidance and reference material. Lastly, flying high gives you more time to act in the unlikely event of an emergency in flight. Latch-on guarantees fore and aft and vertical alignment of the loader bed with the aircraft doorway, when used in . At the end of the walkway is the slide pack and a manual tailcone jettison handle for use if the tailcone has not already been automatically jettisoned by opening the walkway entrance. 1 While the numbers of falls from height reported to HSE at airports has decreased significantly over recent years, there is a potential for serious injury if safe systems of work and standards are not maintained. It is not essential for aircraft to avoid bad weather, but it is a good idea. according to Boeing manual, the front passenger door: min. Electrical anti-ice is operated for all flight operations to inhibit ice build up. It also emphasises the importance of communication between cabin crew and ground staff and use of standard signals (thumb-up signal and knocking at the door). The 757 sits very high, making it, I think, much more imposing looking. Employees using fall protection equipment should be trained in its safe use, including user equipment checks. In fact, the common cruising altitude for most commercial airplanes is between 33,000 and 42,000 feet, or between about six and nearly eight miles above sea level. Commercial airplanes usually fly above the troposphere, which is the part of the atmosphere where weather events usually happen. Aircraft Cargo Door Opening/Sill Details for Ground Support Equipment Interface AIR1673B . 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. For the slide to deploy correctly, it is packed in a manner that has the aspirators directly under the outer cover. Typically, overwing evacuation slides are not designed for use in ditching situations as they cannot be detached. 24 The Turnround Plan should ensure that all ground staff have completed their tasks and left the aircraft or can exit safely using passenger steps before doors are closed and steps removed. Posted on August 27, 2021 - 5 minute read. How to request wheelchair assistance at the airport? The slides are stored in cabinets usually beside the emergency exit inside the aircraft. Offering customers one of the most spacious interiors of all single-aisle aircraft, it also delivers impressive economics. To sum it up, depending on the variant, a Boeing 747 aircraft is anywhere between 184 feet 9 inches (56.30 meters) and 250 feet 2 inches (76.25 meters) long. Specifically, several members of this group were former McDonnell Douglas engineers. Aircraft flying government officials, Helicopters Should this system fail, the slide can be manually inflated by the cabin crew by pulling a manual inflation handle at the top of the slide. 11 There are 3 main types of aircraft door: 1) Passenger cabin access doors These doors are used for: Passenger access and egress Servicing the aircraft eg catering 2) Overwing (emergency. Slides can be single or dual lane, depending on the width of the exit they are fitted to and in testing must show a nominal exit rate of 70 people per minute per lane. How aircraft doors open can differ, but the first movement is always one of inward motion. Carriers may require that passengers wishing to have battery powered wheelchairs transported on a flight check-in one hour prior to scheduled departure. is installed in the left wing only. Sets found in the same folder A320/321 Oxygen If the door is opened in emergency mode at an abnormal attitude (e.g. Figure 7. State the rationale for any abnormalities and identify any treatment needed. Views from inside the cockpit, Aircraft Cabins Engine anti-ice is supplied to the _______. It is the responsibility of those involved in both organisations to liaise where they believe there may be a joint interest or need for clarification of responsibilities to ensure that such matters are dealt with effectively, and to ensure there is no conflict of responsibilities with the other organisation. FUEL RECEPTACLE GROUND HEIGHT Figure 7 Assuming a 3,730-U.S. gallon (14,120-liter) reserve, the 787-8 can be refueled to capacity in 35 to 60 minutes, depending on the fuel pressure. 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 . Where attachment points are on guard rails, the rails must be of sufficient strength to withstand foreseeable forces. 14 Signals in use for door opening procedures vary at UK airports and between aircraft operators. Air pressure is measured in kilopascals (kPa). Note that powered wheelchairs with a reclining seatback often require much more significant disassembly. cargo door on the left side (see fig. The cylinder's volume can be between 100 and 1,000 cubic inches (1.6 and 16.4 litres), pressurized to about 3,000 pounds per square inch (200 standard atmospheres) with either gaseous Nitrogen (N2), or a mixture of Carbon Dioxide (CO2) and Nitrogen. Anyway, I was curious about the ground height of the 757 in relation to the 737. Where current equipment and guarding are obviously inadequate, we should be asking for immediate improvements. This is not a factor in commercial flying. Training should include aircraft manufacturers requirements, awareness of emergency chute operation and deactivation and risk of falls. These include serious risks of injury if the emergency chute is accidentally activated, and falling from an unguarded door if there is no ground support equipment in place. Figure 6. 1) The Work at Height Regulations 2005 SI 2005 No735, 2) SIM 05/2002/52 - Safe external access and working platforms at aircraft during maintenance, 3) SIM 05/2008/02 - Safe access to aircraft for catering operations, 5)OC 282/30- Inspection of fall arrest equipment made from webbing or rope, 6) OC 234/11 - Lifting Operations and Lifting Equipment Regulations 1998, 7) INDG 367 Inspection of fall arrest equipment made of webbing or rope. Everything from the Goodyear blimp to the Zeppelin, Night Photos Large . a. The outboard armrest of each pilot seat is enlarged and has enhanced position controls to enable specific positioning of the armrest for uuse of the Side Stick. Approximately how high is the bottom of the cabin door from the ground? But in fact, small aircraft generally fly much lower than that for a variety of other reasons. This prevents it from being released until the aircraft is on the ground, where there is not such a pressure difference. The inflation system usually consists of a pressurized cylinder, a regulating valve, two high pressure hoses and two aspirators. The 737 was originally designed to fly to airports that weren't handling jet aircraft, so there was a set of airstairs that stowed under the L1 door. The failure to undertake a risk assessment should be dealt with by reference to the EMM. 45 The CAA Safety Regulation Group (SRG) and HSE are both involved in enforcing existing legislation and standards at airports in line with their statutory responsibilities. What is the condition of the Slide Arming Lever when the yellow arm plate is down and flush with the door? Type IV combines the ramp and slide into a single functional unit. However, a planes engines need oxygen in order to function, so flying too high can also cause problems. Most of the time, flight attendants seamlessly operate these structures. Gravity will then pull the slide to the ground and it will inflate. 57 The risk of a fall will depend on various factors including: 1) procedures in place for opening aircraft doors. These may be attached to the inside frame of the window exit, or located in a nearby storage locker. Helps a lot. The flight took off once all . 9 Airlines have the ultimate responsibility for procedures for opening their aircraft doors. 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. Today some of the corporate jets can fly at 51,000 feet. These procedures are usually placarded red on the slide, "For Ditching Use Only". Slides fitted by main fuselage doors are mounted on the door itself. 12 Some aircraft doors are automated or semi-automated which can reduce the risks of approaching an unguarded edge to open or close the door. Safety features and proposed systems of work should be considered at the design stage to ensure that access equipment reduces the risk of falls so far as is reasonably practicable. A list of aircraft types and the dimensions of their cargo holds can be found below: Should the wheelchair require some minor disassembly to meet the size requirements of the cargo hold, airline staff are obliged to do this for you as per ACAA regulation 14 CFR 382.41 (h), provided you offer written instructions. Methods of arming vary from aircraft to aircraft, but ultimately the girt bar (a metal bar attached to the door end of the slide) is physically attached to brackets either in or adjacent to the door sill. Aircraft flying government officials, Helicopters Assuming radial entry flow, determine the theoretical values for (a) the flow rate and (b) the power. Wheelchairs that cannot fit upright in the cargo hold my be loaded and stored on their side, which is a recipe for significant damage to the wheelchair. Props and jets from the good old days, Flight Decks Wing Anti-ice is operated in flight when required by icing conditions, but can also be operated for _____ on the ground for testing purposes. 16 Open aircraft doors must be protected by effective fall prevention barriers, ground support equipment or other means. 3 of 4 main doors are closed - either engine is running - ground/air logic sense airborne or both thrust levers above 53% OXYGEN Flight Crew oxygen : One oxygen bottle in the aft E&E bay, must be pressurized 1100psi for the first flight 1000psi thereafter. 61 Where inspectors find failings of management systems such as: 1) absence of suitable risk assessments; and/or, 2) inadequate arrangements for planning, organising, control etc; and/or, 4) employees are not following safe practices while opening/ closing aircraft doors; and/or, 5) there is a lack of suitably guarded access equipment; and/or. The aircraft is equipped with ____ cabin doors. What is the $K_{\text {eq }}$ for this reaction? Our site uses cookies. Check these cargo hold dimensions! It also made inspection and work on the engines very easy. Which electrical bus provides the power to charge the Internal Batteries for the Emergency Light System? Additionally, Flight Attendants receive extensive safety training that covers the use of evacuation slides. by users, inspections by competent persons, as well as any statutory inspections required by Lifting Operations and Lifting Equipment Regulations (LOLER). Commercial airplanes can theoretically fly a little higher than this, and of course they can also fly lower if they choose to.