This Aeronautical Standard covers four (4) basic types of direct indicating instruments as follows: TYPE I - Range 0-2000 feet per minute climb and descent TYPE II - Range 0-3000 feet per minute climb and descent TYPE III - Range 0-4000 feet per minute climb and descent TYPE IV - Range 0-6000 feet per minute climb and descent
| SAE International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | AS394A |
| Product Name | RATE OF CLIMB INDICATOR, PRESSURE ACTUATED (VERTICAL SPEED INDICATOR) |
