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OBS
- Usado para
- omni bearing selector
- Definição1
- A knob on an omni-bearing indicator which the pilot turns to select a radial from a VOR station.
- Fonte1
- CROCKER, David. Dictionary of aviation. 2nd ed. London: A&C, 2005.
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Human factors digest n.33. Montreal, 1993. (Cir. 245 AN/147).
- Contexto
- The transponder was set to code 1200. The No.1 navigational radio was tuned to 115.7 Mhz; this was the published radio frequency of the Seal Beach VORTAC. The OMNI Bearing Selector (OBS) was set on 0913 The No.2 navigation radio was tuned to 112.2 Mhz; this was the published radio frequency of the Paradise VORTAC. The OBS was set on 0673.