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Sacramento police release video of deadly shootout. Eric Arnold, 4. 1, was shot dead by police after he was pulled over in Sacramento, California.

Sacramento police released graphic video of a fatal shootout that killed a double- homicide suspect and wounded two officers. Videos from police body cameras and patrol car dashboards show Eric Arnold, 4. Sacramento being killed in a hail of gunfire after he came out shooting when police stopped his pick- up truck on September 7. Arnold was wanted for killing his 4. September 1. An officer spotted his black pick- up truck and began following it, finally pulling Arnold over on a small residential street in south Sacramento, California. At least two other patrol cars rolled in as back up. Dash camera footage released Wednesday by Sacramento Police shows the moment Arnold got out of his pick- up truck and fired at police. The moment an unidentified officer was shot in his bullet- proof vest was caught on camera. He is heard saying 'shots fired, I'm hit!'The officer is seen rolling on the ground and crawling to safety behind the patrol car.

He was shot in his bullet proof vest along with another officer who was shot in the leg. In the videos, an officer behind the truck orders the driver to shut off the engine, put his hands up and drop the car keys out of the window.

But less than a minute after the truck stops, the driver steps out and fires a handgun while walking toward police before he is shot down in a hail of gunfire from five officers. An officer is heard saying: 'He fired! He fired!'Another officer groans and says: 'Shots fired, I'm hit!

Dash camera footage shows an officer who had been crouching with his gun drawn behind an open car door being shot and falling backward as gunfire shatters the window. He rolls on the ground and crawls to safety behind the patrol car. Arnold was wanted for shooting and killing his girlfriend Erica Wallace, 4. Kiara La. Salle, 1. September 1. He allegedly attempted to set their bodies on fire Police said the driver fired six times, hitting one officer in the leg and another in his bullet- proof vest. Both of the unidentified officers were treated at a hospital and released.

The five officers fired 3. Arnold 1. 4 times. He died at the scene. Arnold was wanted in the September 1 killings of Erica Wallace and her 1. Kiara La. Salle. He was suspected of shooting the two victims and attempting to burn their bodies, which were found in the bathtub by a fire crew that responded to a carbon monoxide alarm at the house.

Aeromedical. As a pilot, it is important to stay aware of the mental and physical standards required for the type of flying done. This page provides information on medical certification and on aeromedical factors related to flying activities. Obtaining a medical certificate. Most pilots must have a valid medical certificate to exercise the privileges of their airman certificates. Glider and free balloon pilots are not required to hold a medical certificate. Sport pilots may hold either a medical certificate or a valid state driver’s license. To acquire a medical certificate, an examination by an aviation medical examiner (AME), a physician with training in aviation medicine designated by the Civil Aerospace Medical Institute (CAMI), is required.

There are three classes of medical certificates. The class of certificate needed depends on the type of flying the pilot plans to do. A third- class medical is required for a private or recreational pilot certificate. It is valid for 3 years for those individuals who have not reached the age of 4. A commercial pilot certificate requires at least a second- class medical certificate, which is valid for 1 year. First- class medical certificates are required for airline transport pilots, and are valid for 6 months. The standards are more rigorous for the higher classes of certificates.

A pilot with a higher class medical certificate has met the requirements for the lower classes as well. Since the class of medical required applies only when exercising the privileges of the pilot certificate for which it is required, a first- class medical would be valid for 1 year if exercising the privileges of a commercial certificate, and 2 or 3 years, as appropriate, for exercising the privileges of a private or recreational certificate. The same applies for a second- class medical certificate. The standards for medical certification are contained in Title 1. Code of Federal Regulations (1.

CFR) part 6. 7, and the requirements for obtaining medical certificates are in 1. CFR part 6. 1. Students who have physical limitations, such as impaired vision, loss of a limb, or hearing impairment may be issued a medical certificate valid for “student pilot privileges only” while they are learning to fly. Pilots with disabilities may require special equipment installed in the airplane, such as hand controls for pilots with paraplegia. Some disabilities necessitate a limitation on the individual’s certificate; for example, impaired hearing would require the limitation “not valid for flight requiring the use of radio.” When all the knowledge, experience, and proficiency requirements have been met and a student can demonstrate the ability to operate the airplane with the normal level of safety, a “statement of demonstrated ability” (SODA) can be issued.

This waiver or SODA is valid as long as their physical impairment does not worsen. Contact the local Flight Standards District Office (FSDO) for more information on this subject. Environmental and health factors affecting pilot performance. A number of health factors and physiological effects can be linked to flying.

Some are minor, while others are important enough to require special attention to ensure safety of flight. In some cases, physiological factors can lead to in- flight emergencies. Some important medical factors that a pilot should be aware of include hypoxia, hyperventilation, middle ear and sinus problems, spatial disorientation, motion sickness, carbon monoxide poisoning, stress and fatigue, dehydration, and heatstroke.

Other subjects include the effects of alcohol and drugs, anxiety, and excess nitrogen in the blood after scuba diving. Hypoxia. Hypoxia means “reduced oxygen” or “not enough oxygen.” Although any tissue will die if deprived of oxygen long enough, usually the most concern is with getting enough oxygen to the brain, since it is particularly vulnerable to oxygen deprivation.

Any reduction in mental function while flying can result in life- threatening errors. Hypoxia can be caused by several factors including an insufficient supply of oxygen, inadequate transportation of oxygen, or the inability of the body tissues to use oxygen. The forms of hypoxia are divided into four major groups based on their causes: hypoxic hypoxia, hypemic hypoxia, stagnant hypoxia, and histotoxic hypoxia. Hypoxic hypoxia. Hypoxic hypoxia is a result of insufficient oxygen available to the lungs. A blocked airway or drowning are obvious examples of how the lungs can be deprived of oxygen, but the reduction in partial pressure of oxygen at high altitude is an appropriate example for pilots.

Although the percentage of oxygen in the atmosphere is constant, its partial pressure decreases proportionately as atmospheric pressure decreases. As the airplane ascends during flight, the percentage of each gas in the atmosphere remains the same, but there are fewer molecules available at the pressure required for them to pass between the membranes in the respiratory system. This decrease of oxygen molecules at sufficient pressure can lead to hypoxic hypoxia. Hypemic hypoxia. This occurs when the blood is not able to take up and transport a sufficient amount of oxygen to the cells in the body. Hypemic means “not enough blood.” This type of hypoxia is a result of oxygen deficiency in the blood, rather than a lack of inhaled oxygen, and can be caused by a variety of factors.

It may be because there is not enough blood volume (due to severe bleeding), or may result from certain blood diseases, such as anemia. More often it is because hemoglobin, the actual blood molecule that transports oxygen, is chemically unable to bind oxygen molecules. The most common form of hypemic hypoxia is carbon monoxide poisoning. Hypemic hypoxia also can be caused by the loss of blood from a blood donation.

Blood can take several weeks to return to normal following a donation. Although the effects of the blood loss are slight at ground level, there are risks when flying during this time. Stagnant hypoxia. Stagnant means “not flowing,” and stagnant hypoxia results when the oxygen- rich blood in the lungs isn’t moving, for one reason or another, to the tissues that need it. An arm or leg going to sleep because the blood flow has accidentally been shut off is one form of stagnant hypoxia.

This kind of hypoxia can also result from shock, the heart failing to pump blood effectively, or a constricted artery. During flight, stagnant hypoxia can occur when pulling excessive positive Gs.

Cold temperatures also can reduce circulation and decrease the blood supplied to extremities. Histotoxic hypoxia. The inability of the cells to effectively use oxygen is defined as histotoxic hypoxia.

Histo” refers to tissues or cells, and “toxic” means poison. In this case, plenty of oxygen is being transported to the cells that need it, but they are unable to make use of it. This impairment of cellular respiration can be caused by alcohol and other drugs, such as narcotics and poisons. Research has shown that drinking one ounce of alcohol can equate to about an additional 2,0. Symptoms of hypoxia. High- altitude flying can place a pilot in danger of becoming hypoxic.

Oxygen starvation causes the brain and other vital organs to become impaired. One particularly noteworthy attribute of the onset of hypoxia is the fact that the first symptoms are euphoria and a carefree feeling. With increased oxygen starvation, the extremities become less responsive and flying becomes less coordinated. The symptoms of hypoxia vary with the individual, but common symptoms include: Cyanosis (blue fingernails and lips)Headache. Decreased reaction time.

Impaired judgment. Euphoria. Visual impairment. Drowsiness. Lightheaded or dizzy sensation. Tingling in fingers and toes.

Numbness. As hypoxia worsens, the field of vision begins to narrow, and instrument interpretation can become difficult.