Quick Answer: When can an aircraft stall?

A stall occurs when the angle of attack of an aerofoil exceeds the value which creates maximum lift as a consequence of airflow across it. This angle varies very little in response to the cross section of the (clean) aerofoil and is typically around 15°.

What causes an aircraft to stall?

Stall occurs when a plane is under too great an angle of attack (the angle of attack is the angle between the plane and the direction of flight). … Due to the stall the wing produces less lift and more drag; the increased drag causes the speed to decrease further so that the wing produces even less lift.

Can an airplane stall at any speed?

A closer look at stall speed. CFIs repeat it like a mantra: An airplane can stall at any airspeed, in any pitch attitude. Your trainer’s wing always stalls when it exceeds its critical angle of attack—and that can happen even if the airplane is pointed straight down and approaching VNE.

How slow can a plane fly before stalling?

I took the question to mean at what speed could these planes reasonbly fly around….. no what the stall speed would be in landing configuration. Well in a clean configuration stalling speed is about 130 knots for these planes, so they definitely can go slower than 160.

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What are the signs when entering stall in aviation?

Signs of the stall

stall warning horn (if equipped) less effective controls. light buffet (shaking) in the stick and rudder pedals.

What is aircraft stall?

Stalls. A stall is an aerodynamic condition which occurs when. smooth airflow over the airplane’s wings is disrupted, resulting in loss of lift.

What is accelerated stall?

Many stalls happen at speeds higher than these slow, controlled speeds. They’re called accelerated stalls, and they can happen if the airplane is headed straight up, straight down, or anywhere in between. Generally, accelerated stalls are brought on by turning or by making abrupt control inputs.

What is the stall speed of a Cessna 172?

Specifications

1965 172F (Skyhawk) 1997-2007 172R (Skyhawk)
Stall Speed Clean 50 Knots 51 KCAS
Stall Speed Landing Configuration 43 Knots 47 KCAS
Climb Best Rate 645 FPM 720 FPM
Wing Loading 13.2 lbs./sq. ft. 14.1 lbs./sq. ft.

What plane has the lowest stall speed?

The Ruppert Archaeoptrix Electro (Wikipedia, official website) apparently has a stall speed of 30 km/h (19 mph / 16 kn), and I think that makes it a candidate for the current “slowest” fixed wing aircraft.

How fast does a 747 land?

A 747 ‘Jumbo Jet’ would typically land at a speed of about 145kts-150kts (166mph-172mph), depending on the landing flap setting selected.

What’s the slowest plane?

The slowest jet aircraft is the Polish-made PZL M-15 “Belphegor”, a single-engined crop-dusting plane that made its first flight on 20 May 1973. The Belphegor was a biplane weighed down with two huge pesticide tanks that had a top speed of just 200 km/h (120 mph).

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How fast do jets fly?

Most commercial aircraft typically fly at around 460-575 mph, or 740-930 km/h, according to Flight Deck Friend. But private jet speed can vary depending on a variety of factors, such as the weight onboard and the weather conditions.

How do YOu identify a stall?

Generic indicators of an aerodynamic stall can include:

  1. Activation of artificial stall warnings.
  2. Aircraft buffet.
  3. Reduced flight control authority, especially reduced or loss of roll control.
  4. Significant aft control column displacement.
  5. High rate of descent.
  6. A nose down pitching tendency at the point the stall occurs.

What is a Power On stall?

Power-on stalls simulate a stall under higher powered conditions like during a normal takeoff and departure. Recoveries emphasize how aircraft attitude impacts stall potential, again simulating a stall close to the ground, and trains a pilot to recover with a minimum loss of altitude.

Do planes stall often?

In both airplanes, we did full stalls. This is not usual, and many pilots have not fully stalled a transport jet. Fully stalling the actual airplane is usually left to test pilots. High-altitude stalls are increasingly practiced in simulators.