In aviation

Aviation

Aviation is the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft. Aviation is derived from avis, the Latin word for bird.-History:...

, PARE is a mnemonic

Mnemonic

A mnemonic , or mnemonic device, is any learning technique that aids memory. To improve long term memory, mnemonic systems are used to make memorization easier. Commonly encountered mnemonics are often verbal, such as a very short poem or a special word used to help a person remember something,...

 for a generic spin

Spin (flight)

In aviation, a spin is an aggravated stall resulting in autorotation about the spin axis wherein the aircraft follows a corkscrew downward path. Spins can be entered intentionally or unintentionally, from any flight attitude and from practically any airspeed—all that is required is sufficient yaw...

 recovery technique applicable to many types of fixed-wing aircraft

Aircraft

An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...

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Overview

PARE stands for:

• Power: off
• Ailerons: neutral (and flaps up)
• Rudder: full opposite to the spin and held
• Elevator: through neutral

Hold these inputs until rotation stops, then:

• Rudder: neutral
• Elevator: Easy pull to straight and level

Details

The first step in the PARE spin recovery sequence is to reduce power to idle. The second step is to neutralize the ailerons (and retract the flaps, if deployed). The third step is to apply and hold full rudder in the opposite direction of the spin rotation. The fourth step is to displace the elevator control toward its neutral position (forward movement when recovering from an upright spin; aft movement when recovering from an inverted spin).

The elevator action must occur after the rudder has been fully applied and held opposite to the direction of rotation. In many airplanes, it is the combination of full opposite rudder plus the elevator movement that will terminate the rotation (full opposite rudder alone may not be sufficient to stop the rotation). How far the elevator control must be displaced depends on numerous factors, can vary from airplane to airplane, and can even vary in the same airplane under different spin conditions.

Recovery actions per the PARE acronym are applied sequentially until all four primary actions have been made.

When the rotation stops, the rudder is neutralized first, followed by a controlled pull on the stick/yoke to return the airplane to level flight.

Precautions

The PARE checklist provides a convenient method for teaching and recalling the steps in the NASA Standard spin recovery procedure for typical, light, single-engine, general aviation airplanes. NASA Standard recovery actions were first introduced in 1936, and those recovery actions were verified again during an intensive spin test program conducted by NASA during the 1970s/80s using four single-engine airplanes representative of those in the broader general aviation fleet.

However, many airplanes can have unrecoverable spin modes, especially those airplanes specifically placarded against intentional spins. For example, regardless of the recovery actions taken by the pilot (NASA Standard or otherwise), there is no guarantee that spin recovery can be effected beyond the first turn in a spin in an airplane being operated in the Normal category.