HB 5621-1980
Professional technical requirements for aero-engine tachometers (English Version)

Standard No.

HB 5621-1980

Language

Chinese, Available in English version

Published By

Professional Standard - Aviation

Latest

HB 5621-1980

Scope

This standard applies to tachometers (hereinafter referred to as tachometers) used to measure the main shaft speed of the same engine. When formulating the special technical conditions for the tachometer, the relevant items and categories of this standard should be selected according to the usage conditions and characteristics of the tachometer.

HB 5621-1980 history

• 1970 HB 5621-1980 Professional technical requirements for aero-engine tachometers