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Stress

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Article Information
Category: Human Behaviour Human Behaviour
Content source: SKYbrary About SKYbrary
Content control: SKYbrary About SKYbrary

Description

Stress is a bodily response to a stimulus that disturbs or interferes with the “normal” physiological equilibrium of a person and, in the context of aviation, refers to a state of physical, mental or emotional strain due to some external or internal stimulus.

Understanding the factors that lead to stress, as well as how to cope with stressful situations, can greatly improve a individual's performance. Also, understanding that colleagues may react differently to the same stressor is important and can help you control a situation that can quickly get out of hand if an individual is having a negative reaction.

Accidents & Incidents

Events on the SKYbrary database which list stress as a significant contributory factor:

  • B735, vicinity Kazan Russia, 2013 (On 17 November 2013, the crew of a Boeing 737-500 failed to establish on the ILS at Kazan after not following the promulgated intermediate approach track due to late awareness of LNAV map shift. A go around was eventually initiated from the unstabilised approach but the crew appeared not to recognise that the autopilot used to fly the approach would automatically disconnect. Non-control followed by inappropriate control led to a high speed descent into terrain less than a minute after go around commencement. The Investigation found that the pilots had not received appropriate training for all-engine go arounds or upset recovery.)
  • MD82, Phuket Thailand, 2007 (On 16 September 2007, an MD-82 being operated by One Two Go Airlines attempted a missed approach from close to the runway at Phuket but after the flight crew failed to ensure that the necessary engine thrust was applied, the aircraft failed to establish a climb and after control was lost, the aircraft impacted the ground within the airport perimeter and was destroyed by the impact and a subsequent fire. Ninety of the 130 occupants were killed, 26 suffered serious injuries and 14 suffered minor injuries.)
  • A320, vicinity Sochi Russia, 2006 (On 3 May 2006, an Airbus 320 crew failed to correctly fly a night IMC go around at Sochi and the aircraft crashed into the sea and was destroyed. The Investigation found that the crew failed to reconfigure the aircraft for the go around and, after having difficulties with the performance of an auto go-around, had disconnected the autopilot. Inappropriate control inputs, including simultaneous (summed) sidestick inputs by both pilots were followed by an EGPWS PULL UP Warning. There was no recovery and about a minute into the go around, a steep descent into the sea at 285 knots occurred.)
  • AT45, vicinity Esbjerg Denmark, 2016 (On 27 March 2016 an ATR 42-500 had just departed Esbjerg when the right engine flamed out. It was decided to complete the planned short flight to Billund but on the night IMC approach there, the remaining engine malfunctioned and lost power. The approach was completed and the aircraft evacuated after landing. The Investigation found the left engine failed due to fuel starvation resulting from a faulty fuel quantity indication probably present since recent heavy maintenance and that the right engine had emitted flames during multiple compressor stalls to which it was vulnerable due to in-service deterioration and hot section damage.)
  • B752, vicinity Cali Colombia, 1995 (On 20 December 1995, an American Airlines Boeing 757-200 inbound to Cali, Colombia made a rushed descent towards final approach at destination and the crew lost positional awareness whilst manoeuvring in night VMC. After the crew failed to stow the fully deployed speed brakes when responding to a GPWS ‘PULL UP’ Warning, the aircraft impacted terrain and was destroyed with only four seriously injured survivors from the 163 occupants surviving the impact. The accident was attributed entirely to poor flight management on the part of the operating flight crew, although issues related to the FMS were found to have contributed to this.)

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Related OGHFA Situational Examples

Situational Example Flight Phase
De-icing and Latent Organisational Factors (OGHFA SE) Take Off
Disorientation During Vectored Go-Around (OGHFA SE) Missed Approach
Fuel Leak and Confirmation Bias (OGHFA SE) Climb, Cruise, Descent
Fuel Starvation, Stress, Fatigue and Nonstandard Phraseology (OGHFA SE) Cruise, Descent
Landing Gear Failure (OGHFA SE) Landing
Takeoff Weight Entry Error and Fatigue (OGHFA SE) Take Off
Unidentified Fire On Board (OGHFA SE) Cruise, Descent, Landing

Related OGHFA Material

Further Reading

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