If a pilot traveling at a speed of 1500 mph (miles per hour) and an altitude of 20,000 feet were to open the cockpit, several things would occur:
Rapid Decompression: Opening the cockpit at such high altitude would result in rapid decompression. The cabin pressure would equalize with the outside air pressure, which is significantly lower at 20,000 feet. This sudden drop in pressure could have serious consequences for anyone not wearing proper protective gear.
Strong Wind Forces: The aircraft's high speed would create extremely strong wind forces when the cockpit is opened. These forces would cause a strong rush of air into the cabin and could potentially dislodge loose objects or even pose a risk to the pilot, making it difficult to maintain stability.
Temperature and Oxygen Levels: At an altitude of 20,000 feet, the temperature is significantly colder than at ground level. Opening the cockpit would expose the pilot to freezing temperatures and extreme wind chill. Additionally, the oxygen levels would be lower at this altitude, making it more difficult to breathe without supplemental oxygen.
Risk of Ejection or Loss of Control: The combination of rapid decompression, strong wind forces, and potentially freezing temperatures could create hazardous conditions for the pilot. Opening the cockpit at high speed and altitude without proper safety precautions may lead to the pilot being forcefully ejected from the aircraft or losing control of the aircraft.
It is important to note that opening the cockpit during flight is highly dangerous and not a recommended course of action. Pilots are trained to maintain the integrity of the aircraft's cabin and to follow established safety procedures to ensure the safety of themselves and their passengers.