As the pool is filling, immediately after plastering, add 1 gallon of muriatic acid directly to the water (don't splash it on the bare plaster) for each 5,000 gallons of fill water. With a watch, time the amount of time it takes to fill up a 1 gallon or 5 gallon bucket with the hose(s) used to fill up the pool.
Age RequirementsThe U.S. and Canadian governments have established minimum and maximum ages for airline pilots. A private pilot must be at least 17 years of age, a commercial pilot at least 18, and an applicant for an air/airline transport pilot certificate at least 21 in Canada and 23 in the United States.t the college/university level, preferred courses in preparation for an airline pilot career would include advanced math, English, sciences, aeronautical engineering, and other aviation-related studies.
In July of 2013, the FAA expanded the requirements for co-pilots on commercial airlines; to don those metal wings on your lapel, you'll now need an Airline Transport Pilot license -- a step above the Commercial Pilot license. You can be as young as 16 to hold a student license, 18 to hold a commercial license, and 23 to hold an ATP (Airline Transport Pilot) license. 2  You will be going through routine assessment as you progress.