Text in force at CAR3-14: from CAR3-0, effective 1 Nov 1949. OCR text
The standard atmosphere shall be based upon the following assumptions:
(a) The air is a dry perfect gas.
(b) The temperature at sea level is 59° F.
(c) The pressure at sea level is 29.92 inches Hg.
(d) The temperature gradient from sea level to the altitude at which the temperature becomes -67° F. is -0.003566° F. per foot and zero there above.
(e) The density at sea level under the above conditions is 0.002378 lbs. sec.2/ft4. idition.