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1、Push Back towing procedure Training,课程代码 : PBTPT,For Line Mechanic,2012 /8 / 20,Unit 1: Communication and Operation of Push back towing,推飞机操作,OPERATION,“Push-back“ means pushing the aircraft backwards from the parking position to the taxiing point. The procedure needs a push-back vehicle (also calle
2、d a “towing vehicle“, “tug“ or “tractor“) with a driver, plus another person (the “headset-operator“) who coordinates the procedure.,PUSH BACK DEFINITION,1. Make sure that the safety on the steering pin functions correctly.2. Install the steering pin in the correct position on the nose gear. (The pi
3、cture shows an Airbus aircraft as an example.),Push Back working step (arrival),3. Do a check of the shear pins on the tow-bar. Make sure that they are not damaged or broken.4. Put the tow-bar in the correct position at the aircraft (aligned with the nose gear). Install the safety pin to lock the to
4、w-bar.,Push Back working step (arrival),5. Connect the tow-bar to the pushback vehicle. Make sure that it is locked.6. Operate the pump to raise the support wheels on the tow-bar.,Push Back working step (arrival),unlock,lock,7. Walk around the aircraft. Make sure that: there is no visible damage to
5、the fuselage or wings; the area behind the aircraft is clear of all equipment and other obstructions; all service access flaps, cargo doors and passenger doors are correctly closed and not damaged; there are no objects in the engine inlets; if any landing gear (safety) pins were installed, they are
6、now removed. 8. Communication with the cockpit When all of the above work steps are done, you communicate with the cockpit about push-back clearance. To do this, connect the interphone to the aircraft.,Push Back working step (arrival),1. Give instructions to remove the chocks.2. Then, as headset-ope
7、rator, give the push-back vehicle driver the signal to start the push-back (thumb raised).The push-back starts. Walk alongside the push-back vehicle and aircraft.,Push Back working step (departure),3. When the aircraft has reached the taxiing point, the push-back vehicle driver gives you the signal
8、that push-back is completed (thumb raised).,Push Back working step (departure),4. Now tell the cockpit crew that the push-back is completed, and ask them to set the parking brake.5. Uncouple the tow-bar.Lower the wheels on the tow-bar and operate the pump.,Push Back working step (departure),6. Relea
9、se the tow-bar from the push-back vehicle7. The driver reverses the pushback vehicle away from the towbar8. Release the tow-bar from the aircraft.,Push Back working step (departure),9. Check that everything is clear behind the engines. Then you can give the signal for “engine start”.,Push Back worki
10、ng step (departure),10. Remove the steering pin.WARNING: The wheels move into the neutral position!11. First go out of the danger area. Stay in visual contact with the cockpit crew. Then give the “all clear“ signal.,Push Back working step (departure),When the aircraft and push-back vehicle are turni
11、ng, there is a danger that you will come too close to the engine inlet suction zone (position A). To avoid this, when the aircraft and push-back vehicle are turning you should slowly fall back (i.e. make your walking speed slower than the speed of the push-back vehicle). As you do this, move paralle
12、l to the path of the push-back vehicle (position B). When you do this, it is important to pay attention at all times to the movements of the push-back vehicle, because the driver cannot see you in this position.,Safety instructions during walk-out assistance,正常入港 Normal Arrival Procedure,COMMUNICATI
13、ON,飞机滑进停机位，确认发动机转速下降 到安全转速，放好轮挡,Ground to cockpit. 地面呼叫机组。,Go ahead. 请继续（讲）。,All chocks in, Please release parking brake. 轮档已挡好，请解除停留刹车。,Roger, Parking brake released. 收到，停留刹车已经解除。,如果飞机需要接地面电源车，和机组对话如下,Waiting for ground power unit. 等待地面电源车。,Roger. 收到。,Ground power unit connected. 地面电源已经接上。,Roger, T
14、hank you. 收到，谢谢。,询问飞机是否有故障，和机组对话如下,Is there any trouble with your aircraft ? 飞机有故障吗？,Yes, please look at flight log book. 有，请看飞行记录本（FLB）,Yes, please look at cabin log book.有，请看客舱记录本（CLB）,Everything is OK. 一切正常,飞机APU故障，机组提出电源车 和气源车需求，对话如下,APU is inoperative, please call a ground power unit and a air
15、start unit immediately. APU失效，请即刻叫一部电源车和气源车,Roger, please wait for a while. 请稍等,Ground power unit connected. 地面电源已经接上,Roger, Thank you. 收到，谢谢,飞机滑过停机线/或未滑到停机线 Aircraft Not into Position Procedure需要拖车把飞机推回/或拖到停机线,COMMUNICAION,飞机未停到线，需要往前拖一点，对话如下（1/3）,Ground to cockpit. 地面呼叫机组。,Go ahead. 请继续（讲）。,Clear
16、for towing, The aircraft is not into position, Need to go forward a little, waiting for a tractor. 请求拖飞机，飞机没有进入位置，需再往前一点，等待牵引车。,Roger, waiting for tractor. 收到，等待拖车。,需要往前拖一点,飞机未停到线，需要往前拖一点，对话如下（2/3）,Tractor connected, Release the parking brake. 牵引车已经接好，请解除停留刹车。,Parking brake released. 停留刹车已经解除。,Start Towing forward. 开始向前拖飞机。,Roger. 收到。,飞机未停到线，需要往前拖一点，对话如下（3/3）,The aircraft is into position，Set parking brake. 飞机已拖到位，请设置停留刹车。,
