Questions tagged [attitude]

Attitude is the orientation of an aircraft during flight. Normal attitude of an aircraft is wings-level, neutral pitch, and nose pointed in the direction of flight.

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34
votes
6answers
26k views

How can pilots fly inside a cloud?

I heard that sometime an aircraft fly inside a cloud, and I'm wondering how that works - how clearly can the pilot see while inside the cloud? What if a cloud is "too large"? (Is there a maximum size ...
14
votes
3answers
11k views

How are attitude indicators kept accurate?

The attitude indicator is very important for any sort of instrument flying, so it must be accurate at all times regardless of the plane's movements. I presume that the indicator would be connnected ...
32
votes
6answers
15k views

Why do airliners pitch up during cruise?

In my experience as a passenger, when the plane stands at the airport and you enter it, the aisle is pretty much horizontal. (Obviously, I've never flown on a DC-3). After takeoff we pitch sharply ...
16
votes
7answers
12k views

How is a confusion possible between Western and Russian Attitude Indicators?

Yesterday I watched a documentary on Crossair Flight 498 accident. One of the factors that might have contributed to the accident was the confusion of the pilot on interpreting the attitude indicator; ...
30
votes
1answer
5k views

Can we replace an attitude indicator with a ball half full of liquid?

Attitude indicators (artificial horizons) use a gyro to display pitch and bank. I was wondering if it would work to use a ball half full of liquid to replace the artificial horizon (using the water ...
4
votes
1answer
3k views

What are the advantages and disadvantages of level flight with a nose-down attitude? [duplicate]

This is a questions about fixed-wing aircraft in general -- commercial planes and smaller. I have seen on a video that planes are capable of flying in a holding pattern with an nose-down attitude "for ...
12
votes
1answer
24k views

What is the exact meaning of “attitude”, does it include translational movement?

Reading documentation it is clear to me that "attitude" means the study of orientation of a body. However sometimes it seems to be used loosely for the motion tracking of a body (both translational ...
31
votes
4answers
6k views

Is it normal for gliders not to have attitude indicators?

This answer shows a picture of and describes a "modern" glider instrument panel, with two variometers, airspeed indicator, altimeter, compass, temperature gauge and radio controls. Notably (at least ...
12
votes
4answers
7k views

What is the immediate cause of liftoff?

If I understand correctly, when a plane transitions from takeoff roll to being airborne, it is not something that happens "by itself" when the airspeed is high enough, but is caused by deliberate ...
5
votes
2answers
4k views

What is the difference between IMU (Inertial Measurement Unit) and AHRS (Attitude and Heading Reference System)?

According to online sources like wikipedia the difference belies on the addition of an on-board processing system (I assume it means a microcontroller) which outputs already processed data and not ...
76
votes
6answers
29k views

Why does the B-52 take off without rotating?

In the answer to this question it is noted that the B-52 takes off without rotating and climbs out in a nose-down attitude. Why was it designed this way?
2
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5answers
1k views

Would mechanical indicators have helped in the Air France 447 incident?

NB I am not an aviation professional. I saw a documentary about the terrible Air France 447 disaster the other day. I was struck, as were the experts in it, including David Learmount, who's known as ...
12
votes
4answers
2k views

Can a small GA plane maintain level flight with a significant nose-down attitude?

Consider a small, one- or two-seater motor GA aircraft, something like a Cessna 152 or similar, designed for level flight at roughly neutral pitch. It's certainly possible to fly such an aircraft in ...
7
votes
3answers
900 views

What is the best word for lateral translational movement in a rotorcraft?

I'm talking about movement left and right without changing attitude. This is a motion that can be done with a quadcopter and to a limited extent a helicopter (I presume). On a helicopter a left/...
6
votes
1answer
12k views

What is the relation between roll angle and pitch angle?

I was wondering about roll angle and pitch angle values. Will I get same pitch angle at different roll angles and vice-versa? For example. At its initial position, the aircraft is standing on the ...