A Case Analysis is a critical analysis and evaluation of a specific case or subject. For this
assignment, the Case Analysis will provide the student with a better understanding of a specific
aviation mishap with regard to altitude physiology.
Be two pages in length, double-spaced.
Consist of a title (accurately reflective of the topic), a brief summary of the mishap, one
to three body paragraphs which address the significance of the problem, implications
associated with the problem, and recommendations.
Include information obtained from primary or secondary sources beyond those listed in
the module.
Include proper current APA citations and references (with the references listed on a
separate last page).
Case Analysis: The Critical Role of Altitude Awareness in the 1999 Payne Stewart Learjet Accident
Brief Summary of the Mishap:
On October 25, 1999, a Learjet 35 crashed in South Dakota after flying for approximately four hours on autopilot with no communication from the occupants. The aircraft, carrying professional golfer Payne Stewart and three others, departed Orlando, Florida, en route to Dallas, Texas. Air traffic control noticed the aircraft failed to make a required turn and was unresponsive to radio calls. Military interceptor aircraft were dispatched and observed the Learjet with frosted windows, indicating a loss of cabin pressurization. The occupants were seen slumped over and motionless. The aircraft eventually ran out of fuel and crashed. The National Transportation Safety Board (NTSB) investigation concluded that the probable cause of the accident was the incapacitation of the flight crew as a result of hypoxia following a sudden loss of cabin pressurization.
Significance of the Problem and Implications:
The Payne Stewart Learjet accident tragically underscored the critical significance of understanding and managing altitude physiology in aviation. The sudden loss of cabin pressurization at high altitude creates a rapidly hostile environment for the human body. The partial pressure of oxygen in the atmosphere decreases exponentially with altitude. At typical cruising altitudes for jet aircraft (25,000 to 45,000 feet), the ambient partial pressure of oxygen is insufficient to sustain consciousness for more than a few minutes without supplemental oxygen. This physiological reality is often underestimated or not fully appreciated by individuals who do not regularly operate in such environments.
Case Analysis: The Critical Role of Altitude Awareness in the 1999 Payne Stewart Learjet Accident
Brief Summary of the Mishap:
On October 25, 1999, a Learjet 35 crashed in South Dakota after flying for approximately four hours on autopilot with no communication from the occupants. The aircraft, carrying professional golfer Payne Stewart and three others, departed Orlando, Florida, en route to Dallas, Texas. Air traffic control noticed the aircraft failed to make a required turn and was unresponsive to radio calls. Military interceptor aircraft were dispatched and observed the Learjet with frosted windows, indicating a loss of cabin pressurization. The occupants were seen slumped over and motionless. The aircraft eventually ran out of fuel and crashed. The National Transportation Safety Board (NTSB) investigation concluded that the probable cause of the accident was the incapacitation of the flight crew as a result of hypoxia following a sudden loss of cabin pressurization.
Significance of the Problem and Implications:
The Payne Stewart Learjet accident tragically underscored the critical significance of understanding and managing altitude physiology in aviation. The sudden loss of cabin pressurization at high altitude creates a rapidly hostile environment for the human body. The partial pressure of oxygen in the atmosphere decreases exponentially with altitude. At typical cruising altitudes for jet aircraft (25,000 to 45,000 feet), the ambient partial pressure of oxygen is insufficient to sustain consciousness for more than a few minutes without supplemental oxygen. This physiological reality is often underestimated or not fully appreciated by individuals who do not regularly operate in such environments.