往期回顾:复飞以后都发生了什么(备考OPI的来看)

民生   科学   2024-08-31 13:17   中国香港  

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今天这个视频会告诉你:
GO-AROUND的定义是什么
飞机复飞的原因有哪些
GO-AROUND和missed approach是同义词吗
GO-AROUND以后会发生什么
飞机上的乘客需不需要担心油量问题
这些话题都是OPI中经常出现的
吸收知识的同时别忘了学习英文表述

 

Reasons why pilots do ‘GO-AROUND’:

First, the most representative(典型的) factor is that the runway or approach light system is not visible until just before landing, or that there may be weather factors such as a severe crosswind.

In addition,there are some unpredictable factors such as ‘aircraft instability’, confrontation(面对) with a flock of birds, failure of the controller's separation, and runway incursion.

But ‘GO-AROUND’ isn't just for pilots.

The controller also instructs the pilot to ‘GO-AROUND’

to prevent landing if it detects a risk factor that makes it impossible to land.

What happens if the aircraft fails to land:

 It takes more time than expected. This is to re-arrange the landing sequence with the following aircraft, but the main reason is to re-perform the ‘instrument approach procedure’.
The meaning of "missed approach":
Missed approach means the stage of ascending again after failing to land, and the controller and pilot sometimes use the term ‘missed approach’ instead of GO-AROUND when the instrument flying aircraft makes a GO-AROUND.(ICAO4444中规定的通话标准只有"GO-AROUND ",用来描述"missed approach instructions"
Difference between "GO-AROUND" and "missed approach":
In the case of VFR aircraft, after GO-AROUND, you follow the controller's instructions or climb over the runway to the pattern altitude to enter the crosswind.
In the case of an IFR aircraft in instrument approach, 'GO-AROUND' means that the published missed approach procedure should be performed,
or the controller's instructions should be followed. 

In other words, the term 'GO-AROUND' is used to convey(传达) non-landing to all aircraft regardless of flight rule, and 'missed approach' is a term used when an aircraft performing an instrument approach must fly a missed approach segment.

Fuel on board:

The aircraft flies with enough fuel to be able to divert to another airport
after multiple re-approaches, as well as emergency fuel for the second and third re-approaches.


全文文本如下:

Have you ever seen an aircraft trying to climb again
when it seemed like it was about to land?
An aircraft that has reached the landing phase in this way
gives up landing and re-climbs.
We call this ‘GO-AROUND’.
There are many reasons why pilots do ‘GO-AROUND’.
First, the most representative(典型的) factor is that the runway or approach light system is not visible until just before landing, or that there may be weather factors such as a severe crosswind.
In addition,there are some unpredictable factors such as ‘aircraft instability’, confrontation(面对) with a flock of birds, failure of the controller's separation, and runway incursion.
But ‘GO-AROUND’ isn't just for pilots.
The controller also instructs the pilot to ‘GO-AROUND’
to prevent landing if it detects a risk factor that makes it impossible to land.
If the aircraft fails to land, it would be best if it could land again using the shortest distance, but it takes more time than expected.
This is to re-arrange the landing sequence with the following aircraft,
but the main reason is to re-perform the ‘instrument approach procedure’.
Wondering what this means?
In the landing phase, the aircraft approaching the airport has a specific route that allows to receive the most stable radio waves from the ground
and simultaneously to make a flight in the safest, obstacle-free way.
We call this an ‘Instrument approach procedure’.
That is, the approach procedure is required without exception,
even for aircraft that have attempted ‘GO-AROUND’.
Although it takes time, since this procedure is the safest.
After the ‘GO-AROUND’, the pilot should follow the approach procedure and re-approach.
‘Instrument approach procedures’ are divided into initial,
intermediate, final, and missed approaches.
Here, missed approach means the stage of ascending again after failing to land, and the controller and pilot sometimes use the term ‘missed approach’ instead of GO-AROUND when the instrument flying aircraft makes a GO-AROUND.
So wait, do GO-AROUND and missed approach have the same meaning?
According to the FAA, 'GO-AROUND' refers to an instruction to abandon landing-related approaches.(ICAO文件中并没有找到类似的定义)
In the case of VFR aircraft, after GO-AROUND, you follow the controller's instructions or climb over the runway to the pattern altitude to enter the crosswind.
In the case of an IFR aircraft in instrument approach, 'GO-AROUND' means that the published missed approach procedure should be performed,
or the controller's instructions should be followed. 
In other words, the term 'GO-AROUND' is used to convey(传达) non-landing to all aircraft regardless of flight rule, and 'missed approach' is a term used when an aircraft performing an instrument approach must fly a missed approach segment.
Then you may be concerned about what happens if the aircraft you're on made a ‘GO-AROUND’ and runs out of fuel.
But you don't have to worry about this.
The aircraft flies with enough fuel to be able to divert to another airport
after multiple re-approaches, as well as emergency fuel for the second and third re-approaches.
Not only pilots and controllers but also airlines do not prefer ‘GO-AROUND
that cause economic losses such as fuel consumption and delays.
But ‘go-around’ is the surest and safest means at the last moment.
There is no need to panic if your aircraft is going around.
Airplanes with enough fuel, safety-first pilots and controllers to keep you safe are working hard behind you.
另外一个可能的复飞原因


That`s all for today

今天就到这啦

Stay tuned for my next episode

我们下期见




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