Welcome to the Unofficial Takeoff and Landing Profiles guide for the Boeing 757! This gorgeous aircraft comes with two powerful engines to get you off the ground at airports with runways as short as 5700ft. With this power, its important to understand how and when to use these engines as well as the flaps to its max in short field situations.
This brief guide should get you into the air as well as on your way to a successful landing in just a few minutes. The table below should be pretty self explanatory for the most part, but please don’t hesitate to ask any questions you may have. Please read through the notes sections throughout the topic as well as at the end of this tutorial for further clarification on some of the items found within the table.
Bonus: There is a Quick Reference Guide at the end of this tutorial. You’re more than welcome to download and save the PDF for imminent and future use.
Table of Contents 目录
The purpose of this guide is to provide you with ball park speeds, flap settings, and power settings to get you in the air and onto the runway in one piece. These values are not 100% accurate as each flight is different. Weather, airport elevation, weight, runway length and other factors will affect your these values.
Tests were conducted at Honolulu International Airport (PHNL)
/// Airport Elev. 13ft 机场高度 13英尺 \\\
- Winds Calm 风平浪静
- Runway 08R 跑道08R
- Temperature Standard (15˚C) 温度标准(15˚C)
- All initial pitch angles were 15˚ nose up until 1000ft. AFE (Above Field Elevation) before pitch was dropped to increase speed 所有的初始俯角都是15˚机头，直到1000英尺。俯仰角下降以提高速度前的AFE(场面高度以上)。
- Heavy Departure/Landing conducted at 98% load. Adjust as necessary. 在98%的负荷下进行重型起降。必要时调整。
|Load 装载 %||Takeoff Power 起飞动力||Takeoff Flaps 起飞襟翼||Rotate 仰角||Airborne by 离地速度||Landing Flaps 落地襟翼||Final App. ‡||Flare/Touchdown 触地|
|25%||72% = 84% N1||Flaps 5||125kts||145kts||Flaps 30||125kts||120kts|
|50%||77% = 90% N1||Flaps 5 / 15**||135kts||150kts||Flaps 30||135kts||130kts|
|75%||83% = 95% N1||Flaps 5 / 15**||140kts||155kts||Flaps 30||145kts||140kts|
|>75%***||86% = 97% N1||Flaps 15**||150kts||170kts||Flaps 30||150kts||145kts|
Landing flare pitch should be about 2.5˚ nose up.
Descent rate should not exceed -1000ft/min on final approach
**Note 注: Depending on the length of runway, weight, terrain and other considerations, a higher flap setting may be desired.
Extra note 附加说明: At airports such as KSNA, KSAN and KDCA where the 757 has operated IRL, Flaps 15 were predominately used due to runway length. PHLI departures would use Flaps 20 due to heavy transpacific loads and short runway use. Be cautious of aircraft weight and use an appropriate amount of power for takeoff.
***Heavy Departures/Landings 重型起飞/降落: Takeoffs over 75% may result in takeoff over Maximum Takeoff Weight (MTOW). This may also result in runway overruns. This could lead to overweight landings depending on your configuration. Consider all factors and risks.
‡ Note ‡注: APPR is disabled for landings greater than the load below for where the Maximum Landing Weight (MLW) lies:
For reference the flap and various limitations for each setting are listed below. These can also be found in the cockpit of the 757 on the flap indicator gauge, to the left of the gear lever.
|Flaps 襟翼||Speed Limitation 速度限制|
- For 25-50% loads, Flaps 5 was used for data
- For 75-100% load, Flaps 15 was used for data
- "Airborne By 起飞速度" indicates a speed that you should be off the ground no later than. By the time you reach this speed, you should be in the climb and gear in the retraction process.
- Takeoff Power 起飞动力- The first percentage is your throttle amount. The second value is the N1 read out as indicated in green above your throttle.
- 100% throttle should never be used. 绝对不能使用100%的油门。 Aircraft in the real world very rarely exceed 100% as this is mainly used for emergencies only.
- 25% trim was used to conduct these tests
Note 注: Fuel flow, thrust and other aircraft performance factors may apply.
If you would like a quick reference guide, you’re more than welcome to utilize this one that I’ve condensed into a 1 page sheet. It has just about everything you’ll want to know in terms of “What do I use for takeoff/cruise/landing?” and “When do I add/remove flaps or power?”. Below is a screenshot of what this document looks like as well as a PDF download link for that crisp picture and saving for future use.
如果你想要一个快速的参考指南，你肯定会很喜欢利用这个我浓缩成1页纸的指南。它几乎包含了所有你想知道的 “起飞/巡航/着陆干什么？” 和 “什么时候添加/移除襟翼或动力？”。以下是该文件的截图，以及PDF下载链接，以便于日后使用。
Boeing 757 Quick Reference Guide.pdf (38.2 KB)
Feel free to add any questions or other helpful tips/pointers that you may find beneficial to others and myself or our helpful community members will gladly address those.
Please also check out other guides I have created for other recently new/reworked aircraft. I plan on making this “unofficial” series a regular thing as aircraft are reworked or new from the factory as a handful of folks seem to appreciate the quick start information.
也请查看我为其他最近的新飞机/返修飞机创建的其他指南。我计划把这个 "非官方 "的系列变成一个定期的事情，因为有一些人似乎很欣赏快速指南的信息，飞机也是返工的或新出厂的。