All Questions
Tagged with feature-identification aircraft-systems
14
questions
7
votes
2
answers
2k
views
What is this hole at the bottom of the DA40NG body?
This is the bottom of the fuselage of a DA40NG aircraft and where the right wing attaches to the fuselage. What is the thing I'm pointing at with the red arrow in the picture?
As it is written in the ...
- 2,227
15
votes
1
answer
7k
views
What does the "High Alt Landing" guarded push button on the A320 exactly do?
I am aware that not all variants of the A320 are equipped with the HIGH ALT LANDING guarded push button. I know that it is pushed before landing at high altitude airfields. Was wondering what it does ...
- 153
12
votes
1
answer
5k
views
What is the purpose of the tiny doors used by the 787's laminar control?
The recent Oct 2021 YouTube video (The Insane Engineering of the 787 by Real Engineering) in the related question remarks:
[...] tiny doors whose purpose are a mystery to me with little to no ...
user14897
2
votes
1
answer
375
views
What are these holes at the rear of 747s?
What are these two holes at the rear of most 747s? I've found plenty of answers for the holes on the front of the wing box, but no answers about these back holes.
- 79
0
votes
1
answer
911
views
What are these components in a DHS/CBP Predator drone?
In the following diagram showing the "DHS/CBP UAS Platform Configuration", what are these components and what are they used for?
PPDM
SPMA
RCM
RVT encoder
- 399
1
vote
1
answer
1k
views
What is the overhead instrument panel (pictured) near the front galley area of an A320?
I have noticed this overhead instrument panel. It is convered by a transparent plastic lid with a small hole in the middle. Inside it has lot of switches. What is it supposed to do and who operates ...
- 9,141
9
votes
1
answer
830
views
What is this fuselage-side aerial used for?
(instagram.com)
I have seen this picture, and this feature on the port fuselage called my attention. Does anybody know the purpose of this?
- 3,112
6
votes
1
answer
4k
views
What is this button (pressed during approach) on the Airbus A320?
I was watching a YouTube video of a cobalt air a320 landing and I seen as he was about 2000 ft AGL he pressed a button on his right hand side just beside the Navigation display. The button illuminated ...
- 61
48
votes
1
answer
13k
views
What does this plus (cross) sign on this electrical panel mean?
I'm looking at a picture of the electrical panel of a Phenom 100 and on it I see a + sign, does anyone have any ideas as to what it's supposed to mean?
- 737
0
votes
0
answers
178
views
What are these holes at the right front of the ATR72? [duplicate]
The ATR-72 has these 3 holes at the right front of the fuselage. They are marked as Captain, F/O and StandBy. It says do not obstruct, and the area inside the red lines must be smooth and clean.
What ...
- 111
14
votes
1
answer
17k
views
What are these spinning discs next to the throttle of the Boeing P-8 Poseidon?
The source video can be found here and the GIF is from 0:21 onwards.
What are those 2 spinning things next to the throttle ?
- 309
15
votes
4
answers
10k
views
What are these grilles in the passenger cabin of this 787?
Below the windows, ahead of the seat, there are small grilles. Look:
Source: Airliners.net
What are those for?
- 11.4k
8
votes
3
answers
2k
views
What is this device below the door of a 737 (and other aircraft)?
The other day I made a question about the External Power Hatch. Now I would want to know what's that hole below the door.
- 11.4k
17
votes
2
answers
14k
views
What exactly are those openings in the bellies of many jetliners?
I have circled the areas (in yellow) under the belly of the 737.
What exactly are those?
(airliners.net)
- 1,321