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INTRODUCTION The safe operation of an aircraft places many demands on the pilot and crew. In order to meet these demands, a crew member requires good mental and physical health. The impairment of physical or mental capability has serious implications for the safety of flight. Given certain conditions, anyone can become incapacitated. It is essential that pilots know what incapacitation is, how best to avoid it, and how to deal with it. This discussion will address the following topics: RECOGNIZING AN INCAPACITATED CREW MEMBER Incapacitation can occur gradually or suddenly, ranging from mild to very severe. While causes are many, steps can be taken to identify and minimize risk factors. The most common causes of sudden incapacitation are gastrointestinal (stomach and bowel) problems, such as stomach cramps, nausea, vomiting or diarrhea. Pilots must be careful of the food and drink they consume, particularly in remote areas or where there are poor facilities. Two pilots flying together should never eat the same food, and preferably should not eat at the same time. Heart problems and fainting are the main causes of serious incapacitation. Complaints of chest pain (often confused with indigestion), weakness, palpitation or nausea should be taken seriously. Pallor, unusual sweating, repeated yawning or shortness of breath should all trigger suspicion. When in doubt, ask. Victims often try to ignore their problems. A pilot may be at increase risk of incapacitation when one or more of the following conditions exist:
Incapacitation generally falls into one f two groups: 1) Subtle or Incomplete
Subtle incapacitation is most commonly caused by hyposia, hypoglycemia, extreme fatigue, alcohol, drugs or other toxic substances. Neurological problems, such as stroke or brain tumour, may also be a cause. 2) Obvious or Complete
Heart attack or stroke are the most common causes of complete incapacitation. Warning signs include pallor, sweating, nausea, comment on heartburn, etc. The victim may deny the severity of the problem. ANY form of incapacitation is serious. As the actual extent of impairment cannot be determined, treat all cases as if they were complete incapacitation. Your first responsibility is to ensure the safe operation of the aircraft. The stricken pilot may be suffering from a life-threatening illness. Do not let your natural concern for the victim’s health interfere with your primary duty – that of safe aircraft operation. The mnemonic CHASE may help organize your actions:
Take command. ("I have control.") The stricken pilot may interfere with flight controls. Do whatever is necessary to maintain control of the aircraft. If you need to restrain the victim, do only what is needed to deal with an immediate threat to control. You will have time to further secure the victim in step 4. Climb to and maintain a safe altitude clear of obstacles and traffic. If you are on an approach which has destabilized, initiate a missed approach, following standard procedures. You may not have access to a checklist, so take extra care to accomplish essential tasks. Keep your thoughts organized. Saying your actions out loud may help you to stay focused. If the aircraft is autopilot equipped, engage the autopilot at an operationally safe altitude to lessen your workload. Declare an emergency as soon as workload permits. Alert other crew that you have a problem. Take time to determine the status of the flight. How much fuel do you have? Is your destination still the best choice, given the situation? Are other airports with better facilities and better weather close by? 4 - SECURE THE VICTIM AND COCKPIT If possible, enlist the help of other crew or passengers to prevent the victim from interfering with control of the aircraft. Move the victim’s seat to its full aft position, and lock the shoulder harness (if equipped) to prevent the victim from falling forward. Once the victim is no longer a direct threat to the flight, give your undivided attention to flying the aircraft. Your responsibility is to safely fly the aircraft to the nearest suitable aerodrome for landing. If an assistant has successfully removed the victim from his or her seat, consider the following:
Strive to return the flight deck to normal operation. The fewer procedural changes required, the greater the likelihood of a safe arrival. The victim’s chances of recovery are greatest if you land safely. 5 -EXPLAN YOUR PLAN TO ATC AND CREW When duties permit, advise ATC of the nature of the emergency. The controller will coordinate Emergency Response Services at the aerodrome of your choice, and may suggest alternate destinations with superior emergency services. Your plan should consider weather and approach aids. Add an extra margin of safety for your situation, and any abnormal operating conditions. Once you have decided on a plan, let ATC know your intentions. Discuss whether you will shut down on the runway or taxi to another area. While the final decision is yours, ATC may want to reroute other traffic, and may have a helpful suggestion or two. Remember to keep any assistants involved in your plan. By using the help available, your chances of covering all the bases are improved. You will be under stress, so give yourself the maximum margin for error. If you do not have access to items such as braking or ground steering from your seat, be sure that ATC has this information. Emergency Response Services will be better prepared and ATC will endeavour to provide maximum runway and overrun areas. Preparing for the Arrival Consider the approach and landing, with a view to minimizing your workload. Avoid any option that involves a maximum performance approach, landing or missed approach procedure. Prepare passengers and crew for the possibility of an emergency landing. If qualified help is available, delegate the preparation task to them and concentrate on operating the aircraft. Brief for the approach well back, and configure the aircraft as early as possible. Approach, Landing and Shutdown Carry out the approach and landing as discusses with ATC and crew. Do not be distracted by the presence of rescue vehicles. They will accommodate you. Once the landing is safely completed, either shut down on the runway or taxi to a rescue area as agreed with ATC. Carry out the after-landing checks and once you reach the rescue area, carry out the proper shutdown checks. Follow normal procedures, considering the safety of the ground rescue personnel. Items such as engines, radar, and strobe lights should be confirmed OFF. Once the aircraft is secured, assist rescuers in their effort to extricate the victim. Ensure that passengers remain seated and deplane after the victim is evacuated. A word about you... As a pilot trained to handle incapacitation, you have a vital role to play in an emergency. Are you ready? Ask yourself the following questions:
Remember that anyone can become incapacitated. Be aware of warning signs that suggest you are at risk. If you don’t feel well, say so, and don’t go flying until you have received medical advice.
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