Questions tagged [maneuver]

Questions about controlled changes to the flight path or a series thereof.

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4answers
2k views

Why did this aircraft do a ‘spiral’ before landing?

There was this WizzAir flight two days ago, from BUD to PMI, and right before landing it did a ‘spiral’ like maneuver. I’ve attached a screenshot. Why did it do that? It looks strange.
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1answer
143 views

Why limit the bank angle to 10° when passing through FL300 on a B737-800?

When passing thought FL300, we are instructed to set the bank angle limiter on the MCP to 10°. I know one of the reasons for this is that we are thrust limited so maneuver capability decreases. Are ...
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1answer
82 views

What is the Eights on Pylons maneuver intended to demonstrate about a pilot's skillset?

This maneuver has the common requirements such as clearing the area, and it has the unique requirement among maneuvers to determine the pivotal altitude and select appropriately spaced pylons as ...
57
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3answers
14k views

Did we get closer to another plane than we were supposed to, or was the pilot just protecting our delicate sensibilities?

Yesterday, April 28, 2019, I was flying on Alaska flight 557 from LAX to PDX. About an hour into the flight (near the California/Oregon border) I was looking out the window and saw a jet travelling ...
32
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8answers
10k views

Why do airplanes bank sharply to the right after air-to-air refueling?

Whenever I see videos on YouTube they bank really sharply to the right after disconnecting from the tanker. Why wouldn't they do a more shallow 30-degree bank? See this video for reference:
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5answers
4k views

What is the difference between a forward slip and a side slip?

I am having a hard time understanding what differentiates the two types of slip. I understand that in a forward slip, the longitudinal axis is tilted with respect to the flight path, whereas in a side ...
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2answers
153 views

Is an Aileron Roll Easier Done Opposite The Rotation Of The Plane's Propeller?

We all know helicopters have tail rotors because they would spin out of control thanks to Newton's third law. That got me thinking, would a single propeller plane have an easier time doing an Aileron ...
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4answers
335 views

Why does elevator input move the turn coordinator ball in steep turns?

When practicing steep turns, I'm running into an unusual phenomenon. If the airplane is losing altitude in coordinated flight and I apply aft stick pressure to pitch up and correct, I notice that the ...
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2answers
604 views

What is the derivation of 15 and 11.3 used for computing pivotal altitude?

Pivotal Altitude Explained: Teaching eights on pylons the easy way at AOPA repeats a common formula for pivotal altitude. To estimate pivotal altitude, square the groundspeed and then divide by 15 ...
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1answer
1k views

In a Practice Forced Landing (PFL), what are Low Key and High Key and how are their locations determined?

Please explain what are "low key" and "high key" in practice forced landings? Are they any particular locations with respect to the airfield? Are they the same for every aircraft? Will they change ...
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2answers
540 views

What G forces does a pilot perceive in a “1 G” barrel roll? [duplicate]

This is a follow on to an earlier discussion about pilot perception of G forces compared with actual aerodynamic loads on an airframe. Years ago, the Boeing 707 prototype famously did not one, but ...
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4answers
226 views

How fuselage creates lifting force when plane flying on a side?

On a question "How plane able to fly on a side" people answer that it's because fuselage shape crate lifting force and plane should have enough thrust. But that seems vague to me. How fuselage creates ...
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3answers
528 views

How do planes respond aerodynamically when bringing them into inverted flight by rolling?

For the sake of the question the plane is fully capable of inverted flight, no problems with engines etc. Background of the question is the observation that the airflow around the wing must also ...
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1answer
291 views

Why are the positive points in a V-n diagram associated with pitch maneuvers?

For an aircraft with such flight envelope, the flight conditions in point A, C and D are ...
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2answers
394 views

When would a pilot request a “VMC descent” or “VMC climb”?

Can anybody explain what's the point of this and in what kind of situations a pilot needs it? ICAO Doc 9432 "Manual of Radiotelephony" 8.3.3 An aircraft may request a clearance to climb or ...
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1answer
343 views

How did this F/A-18's execute a “low-boom maneuver”?

The Engadget article NASA will publicly test quiet supersonic technology in November says: The administration plans to conduct a series of public tests around the coastal city of Galveston in ...
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1answer
349 views

Why were these Hawkeyes flying in a circular pattern?

A couple of months ago I was near the Wallops Flight Facility in Virginia, when I saw 3 or 4 planes flying in a tight circular pattern. The planes were on the larger side, prop driven and had large ...
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1answer
336 views

Can a plane turn around like on this photo? [duplicate]

I've never seen a plane do such a maneuver, have you? Is this photo just a hoax?
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3answers
700 views

Best procedure to Turn around in Canyon, Turn radius as a function of velocity

I just heard a briefing on mountain flying, and it was stated that the first thing, or the most important thing to do in the event you are unfortunate enough to find yourself in a blind canyon with no ...
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2answers
443 views

How will a prolonged series of steep turns produce a stall in subsequent level flight?

In Stick and Rudder, the author warns pilots against the unreliability of judging airspeed and hence “buoyancy” — his term for how far the airplane is from aerodynamic stall — by throttle position, ...
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1answer
349 views

Why is this plane flying in such a tight circle?

I was in a car in NYC on 2/18 going from Queens to Manhattan. While going over a bridge I noticed some (what looked to me like) very tight circular contrails in the sky. The plane was still there but ...
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2answers
375 views

During spin recovery, can you just release the yoke/stick to neutralize the ailerons?

I have been watching spin recovery videos on YouTube for the last few days. Scary stuff and I haven't even started flying yet :o haha Anyway, the recovery seems to be commonly described as PARE: ...
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1answer
843 views

Why are yaw rate and pitch rate obtained by these equations?

I am reading "Introduction to Aircraft Aeroelasticity and Loads" by Jan R. Wright and Jonathan E. Cooper. The book said: In steady bank turn (as shown in picture below), The rate of turn is given by:...
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2answers
1k views

How does a fighter “thump” an intercepted aircraft?

In P&E Never Again: A Thump on Final, commercial pilot Mike Mercer describes an encounter with an F–16 shortly before rounding out to land. Without warning, the Baron abruptly yawed 15 degrees ...
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7answers
4k views

As a plane gets slower, why does a certain bank angle make you turn faster?

In the video "Maneuvering during Slow Flight" the narrator states that while flying slow the airplane will be less responsive to aileron and other control inputs. He also says that the plane will turn ...
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2answers
686 views

How do pilots make rudder inputs during negative G flight?

During negative 'G' flight, the forces on the pilot (or pilots) will tend to push their legs up and away from the rudder pedals on your airplane. Needless to say, this is not conducive to making ...
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2answers
5k views

Why is this plane flying a circular track?

Came across this on flighradar24 recently. It shows a jet making a very strange pattern. I would normally expect it to be some sort of aerial survey but seems unlikely in such a large aircraft at such ...
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1answer
205 views

How do groundspeed and IAS change during eights on pylons, and how should I manage them?

When performing eights on pylons I know that groundspeed (GS) reduces as we fly into the wind and increases as we fly with (or away from) the wind. This is the direct cause for the need to constantly ...
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2answers
2k views

Why should the ball be centered during steep turns?

I was taught to make steep turns with the ball centered, but this seems wrong to me. Shouldn’t the ball actually be held slightly to the inside of the turn? My thought is that by using some cross-...
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0answers
278 views

Minimum turning radius (or maximum banking angle) of a commercial airplane [duplicate]

The context of the work: in an ATC model, we currently have a graph model to set the routes for different aircraft. We want to improve its precision by generating more nodes for each route and in ...
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1answer
824 views

What is the maximum side slip angle that can be achieved by a F-16?

During which flight regime is maximum side slip needed (apart from take-off and landings in cross winds)? I have learned that during a knife edge maneuver, the side slip angle plays a crucial role in ...
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1answer
849 views

How do uncoordinated turns (skid, slip) affect a helicopter's turn radius?

Is a helicopter's flight path (track made good) an arc of constant radius regardless if it's a coordinated or uncoordinated turn? (Assume nil wind conditions and that the pilot maintains the angle of ...
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1answer
682 views

Where can I find detailed steps on how to perform all ACS maneuvers?

All the maneuvers outlined in the Airman Certification Standards (slow flight, power on stalls, short field, etc.) have been taught by my instructor to me but on no occasion have I received reference ...
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1answer
123 views

What is the name of the figure consisting of a slow revolution around longitudinal axis? [duplicate]

"An airplane performing one slow revolution around its longitudinal axis is performing one of these..." This was a clue on Jeopardy today. The contestant responded with, "What is a barrel roll?" ...
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4answers
9k views

Why is Russian super-maneuverable thrust vectoring more prevalent than American?

Based on the sheer number of super-manouverable thrust vectoring Russian fighter jets, it seems that Russia has put more effort into developing thrust vectoring for enhanced maneuverability than the ...
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3answers
1k views

How would one define or explain the term “unloading the controls?”

I've heard people say "unload the controls" or "unload the wing/propeller." What does this mean exactly? It is usually followed by releasing back pressure on the elevators or starting/ending a turn.
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1answer
496 views

How tight should my orbits be?

I'm flying VFR circuits at a towered aerodrome, and the circuit is quite busy. With traffic ahead of me to land, the tower calls on the radio and asks me to orbit on downwind. I know it's good ...
6
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2answers
585 views

Are sudden turns and descents a standard emergency procedure?

First, I'm not looking for speculation on an accident, I just want to know if pilots are trained to make certain maneuvers in response to an emergency. In reading about the jet that just went down in ...
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1answer
486 views

How does an airplane do a Kulbit manoeuvre?

Some time ago, I came across a GIF of a Russian military airplane doing a Kulbit manoeuvre (Probably for showoff). How, in terms of control surface movement, does an airplane to the Kulbit? Source: ...
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5answers
2k views

Is it possible to perform a spin recovery in IMC?

In other words, after some training, is it possible to recovery a spin solely by relying on instruments? If using a vacuum-pump traditional attitude indicator, I assume the answer is no, since there ...
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3answers
14k views

What is the difference between a barrel roll and an aileron roll?

I was going through social media and I came across this GIF image that showed a plane doing some sort of roll. It was labeled "Barrel Roll" but in the comments to the post, someone said that it was ...
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3answers
1k views

Does adding flaps during ground roll perform better in short-field takeoff?

In most POHs, the flap configuration for short-field is usually recommended as partial flaps, for instance 10˚ for C172. I remember the arguments are that full flaps would reduce the acceleration ...
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4answers
772 views

Is there a relationship between control surface deflection and a particular turn radius or bank angle?

I am making a project which includes automation of aileron, rudder and elevator deflection. Is there a quantifiable relation which can tell me the amount of deflection required for any radius of ...
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1answer
897 views

What is the meaning of “Docile pitch behavior” in the context of Pugachev's Cobra?

In another answer on SE Aviation it is mentioned that the ability to perform Pugachev's Cobra in a non-thrust-vectored aircraft needs "docile pitch behavior of the airframe up to approx. 110° angle ...
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2answers
325 views

Is there a universal departure recovery procedure?

Let us say you're in a non-fly-by-wire tactical aircraft (say a F-15 or an A-4) doing maneuvers in the local MOA, and you manage to depart the jet in some non-spin fashion. Is there a standard ...
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2answers
1k views

What is a “departure” in the context of flight testing / maneuvers?

I was reading about the F-35 flight tests and it mentions a "departure" at a couple of places. What does that word mean in this context? I understand spins and stalls but what's a "departure"? AF-...
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3answers
11k views

How can an aircraft hover almost vertically?

(Source: https://fat.gfycat.com/) The aircraft in this GIF (although being an RC plane) seems to be flying vertically, just meters above the ground. How is this possible? How is it possible to ...
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1answer
130 views

Can FMC be programmed to do fast maneuvering in fighter jets?

As we know we set the flight path etc in FMC but can it be pre programmed to do high speed maneuvering and shoot the ammo as per the preset conditions? It could be kind of self moving UAV with the ...
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1answer
4k views

What is this turn called and how is it performed?

I've found pictures and videos of jets rotating 90 degrees so that one wing points straight down to the ground and the other is straight up, then they suddenly turn away from their course while ...
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2answers
1k views

Can the HAL Lca Tejas perform Pugachev's Cobra maneuver?

Can any variant of the HAL Lca Tejas (either the naval variant, the mark 1, mark 2 or later) perform Pugachev's Cobra? If not, why?