UPRT

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Upset Prevention and Recovery Training (UPRT) is a combination of theoretical and practical training given to aircraft pilots to enable the pilot to prevent, recognise and recover from unusual attitudes and unexpected situations. [1] [2]

Contents

In EASA states, all pilots undergoing training for the CPL, ATPL and MPL (multi-crew pilot licence) are given a basic UPRT course. Advanced UPRT (AUPRT or commonly just UPRT) refers to a regulated course of at least 5 hours theoretical instruction and 3 hours practical instruction. Since December 2019, this course is mandatory for all pilots before their first type rating course in multi-pilot operations. [3] While the AUPRT course may be undertaken in an aerobatic aircraft, aerobatic training does not replace a UPRT course. [4]

Class- or type-related UPRT addresses a particular class or type of aircraft. [1]

In EASA states, airlines must include upset prevention and recovery training as part of their recurrent training, covering the syllabus every three years. [5] In the United States, all Part 121 air carriers have been required to conduct UPRT since March 2019. [2]

Purpose

From 2010 to 2014, loss of control in-flight represented approximately 30% of fatalities in scheduled commercial air transport. UPRT was adopted to address this safety problem. [6]

In addition to teaching techniques to recover from unusual attitudes, UPRT is intended to provide initial experience of g-forces that could be encountered in a commercial aeroplane, from approximately -1g to 2.5g, and to help a pilot gain angle-of-attack awareness. The psychological elements of the course include overcoming surprise and startle, developing counter-intuitive recovery skills, and developing self-confidence through upset recovery in a "real-world" environment. [7]

Techniques

One mnemonic for upset recovery is "UPRT":

On noticing an unusual flight condition, the pilot should first reduce the thrust, and push forward on the yoke to unstall the aircraft. An aircraft cannot be stalled at zero g. [8] The pilot should then roll the shortest way to the horizon. Finally thrust can be increased and the aircraft stabilised. [9]

Other mnemonics include "power, push, roll, recovered". [9]

Differences from early-stage training

According to the UK Civil Aviation Authority, UPRT recovery techniques should not be used for light aircraft. Light aircraft should be recovered from unusual attitudes with minimum height loss, with the technique "power, roll, pitch". The "power-pitch couple" in light aircraft is usually small, that is, the engine is positioned in line with the centre of gravity, so changes in power do not cause large changes in pitch. UPRT techniques are designed for jet aircraft, particularly with underslung engines where a large increase in thrust can cause the aircraft to pitch up (the "thrust-pitch couple"). [10]

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References

  1. 1 2 "Upset Prevention and Recovery Training". EASA. Retrieved 17 February 2022.
  2. 1 2 "Advisory Circular 120-111: Upset Prevention and Recovery Training" (PDF). Federal Aviation Authority. Retrieved 18 February 2022.
  3. ↑ "UPRT | UPRT Programmes in the UK | Ultimate High". uprt. Retrieved 17 February 2022.
  4. ↑ "Manual on Aeroplane Upset Prevention and Recovery Training, 2014" (PDF). ICAO. Retrieved 17 February 2022.
  5. ↑ "UPRT worldwide rules and guidance" (PDF). ICAO. Retrieved 17 February 2022.
  6. ↑ Knowles, Ian. "Upset Prevention and Recovery Training Workshop" (PDF). ICAO. Retrieved 18 February 2022.
  7. ↑ "Guidance Material and Best Practices for the Implementation of Upset Prevention and Recovery Training, 2nd edition" (PDF). IATA. Retrieved 17 February 2022.
  8. ↑ Badick, Joseph R.; Johnson, Brian A. (9 November 2021). Flight Theory and Aerodynamics: A Practical Guide for Operational Safety. John Wiley & Sons. p. 303. ISBN   978-1-119-77239-2.
  9. 1 2 Koglbauer, Ioana V; Biede-Straussberger, Sonja (15 July 2021). Aviation Psychology: Applied Methods and Techniques. hogrefe Publishing. ISBN   978-1-61334-588-7 . Retrieved 17 February 2022.
  10. ↑ "TrainingCom, Spring 2020" (PDF). UK CAA. Retrieved 17 February 2022.
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