The greatest amount of water vapor that may be contained in a parcel of air
expressed in units of grams of water vapor per kilogram of dry air.
A45. By the use of a properly constructed pressure-altitude (PA) curve.
A48. A triangle is used to indicate dew-point depression values.
Parts B and D.
A50. At the pressure level reported, a dashed horizontal line is drawn extending from
the right side of the colored portion of the diagram. The pressure level and the
word "Mm are written on the line.
A52. Miscellaneous operational details/local operations.
A.53. Speed-of-advance. It is the speed the ship is actually moving or the speed made
A54. Divide the distance (in degrees) by the length of time (in hours) indicated to obtain
anticipated movement in degrees latitude per hour. Multiply by the number of
hours in the desired increment to find the length of each individual segment.