International Organization for Standardization (ISO)
Latest
ISO 1151-5:1987
Scope
Includes the quantities used in flight measurements. Defines fundamental characteristics of the atmosphere, geometric and geopotential altitudes, equivalent altitudes related to a standard atmosphere, physical quantities related to motion of the aircraft in the atmosphere, measurement of quantities related to motion of the aircraft in the atmosphere, speeds and indicated Mach number, on-board accelerometer indications and terms used for pressure differences in some countries.
ISO 1151-5:1987 history
1987ISO 1151-5:1987 Flight dynamics; Concepts, quantities and symbols; Part 5 : Quantities used in measurements
1974ISO 1151-5:1974 Terms and symbols for flight dynamics — Part 5: Quantities used in measurements