This standard covers stall warning instruments to provide positive warning to the pilot of an impending stall. Stall, as defined for the purpose of this standard, is the minimum steady flight speed at which the airplane is controllable.
| SAE International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | AS439A |
| Product Name | Stall Warning Instrument (Turbine Powered Subsonic Aircraft) |