| NAT CONCEPT |
| OCA |  Oceanic Control Area
|
| OLDI | On Line Data Interchange
|
| OTS | Organized Track System
|
| HONEYWELL |
| OAT | Outside Air Temperature
|
| OEM | Original Equipment Manufacturer
|
| OM | Outer Marker (glideslope)
|
| OMS | On-Board Maintenance System
|
| ORT | Owner Requirements Table
|
| HONEYWELL |
| OBS | Omni Bearing Selector
|
| OE | Operations Engineering
|
| ORD | Chicago O´Hare International Airport
|
| OSF | Operational Support Facilities
|
| OSI | Open Systems Interconnect
|
| SAS DATALING SYSTEMS |
| OPUS | SAS´ operations control system
|
| AVIONICS GLOSSARY |
| OA | Obstacle avoidance
|
| OAT | Outside Air Temperature
|
| Off | Device is powered off (power switch is off, no response to communications) - no data and function is available.
|
| Offset | Part of received data that is undesired, consisting of a random, time-invariant term added to a signal, Synonyms: bias, Compare: noise, signal
|
| OMEGA | An OMEGA receiver provides position information that can be used to update the aircraft navigation position. OMEGA is the least accurate method of obtaining position information.
|
| Operations | How well is equipment operating, Values: operational (all function and data is available), degraded (equipment has partially failed with some function or data unavailable and some available), failed (equipment has failed with no function or data available),
|
| Orientation | Direction in reference to a coordinate frame
|
| Outer marker | Marker beacon located 5-7mi from the end of the runway, See Also: marker beacon
|
| Override | To alter selection made automatically by software
|
| GLOSSARTIST AVIATION GLOSSARY |
| OA. | Obstacle avoidance
|
| OAT. | Outside Air Temperature
|
| Off. | Device is powered off (power switch is off no response to communications) - no data and function is available.
|
| Offset. | Part of received data that is undesired, consisting of a random, time-invariant term added to a signal Synonyms: bias Compare: noise, signal
|
| OMEGA. | An OMEGA receiver provides position information that can be used to update the aircraft navigation position. OMEGA is the least accurate method of obtaining position information.
|
| Operations. | How well is equipment operating Values: operational (all function and data is available), degraded (equipment has partially failed with some function or data unavailable and some available), failed (equipment has failed with no function or data available)
|
| Orientation. | Direction in reference to a coordinate frame
|
| Override. | To alter selection made automatically by software
|
| APS AERO CHART |
| O/A | On or about
|
| O/R | on request
|
| O/S | out of service
|
| OAC | Oceanic Area Control, also, Oceanic Area Control Center
|
| OAS | obstacle Assessment surface
|
| OAT | Operational Air Traffic, also, Outside Air Temperature
|
| obsc | obscure
|
| ObsHt | obstacle height
|
| obsn | observation
|
| obst | obstruction
|
| OCA | Obstacle Clearance Altitude
|
| OCL | Obstacle Clearance Limits
|
| OCNL | occasional
|
| OConUS | Outside Continental Limits of US
|
| oct | octane
|
| ODALS | Omni Directional Approach Lighr ting Syste
|
| ODO | Operations Duty Office
|
| offl | official
|
| OFFL | BUS ONLY Official business only
|
aero glossary
[ BACK TO HOMEPAGE ]