OOD OOOI
On-Block Time OP OPC OPT OPAS OPBC OPC OPER OPR OPS
OPSPECS OPU O-QAR OR ORIG ORT OS OSC OSDS OSI

OSIE OSI-RM OSPF
Object Oriented Design
OUT-OFF-ON-IN. An OOOI event is recorded as part of the ACARS operation. The OUT event is
recorded.when.the.aircraft.is.clear.of.the.gate.and.
ready to taxi. The OFF event occurs when the aircraft has lifted off the runway. The ON event
occurs.when.the.aircraft.has.landed..The.IN.event. occurs.when.the.aircraft.has.taxied.to.the.ramp. area.
The.time.that.the.aircraft.arrives.at.the.gate.
Operational Operational Program Configuration Optimum Overhead Panel ARINC 629 System Overhead Panel Bus Controller Operational Program Configuration Operation Once Per Revolution
(
 1 ) Operations Per Second .

(
 2 ) Operational Program Software Operational Specifications Overspeed Protection Unit Optical Quick Access Recorder Operational Requirements Origin Owner’s Requirement Table Operating System Order Status Report Oceanic System Development Support

(
 1 ) Open Systems Interconnection .

(
 2 ) Open System Interface OSI Environment Open Systems Interconnection Reference Model Open Shortest Path First

OT&E Operational Test and Evaluation OTA Office of Technology Assessment (U.S.) OTFP Operational Traffic Flow Planning OTH Over The Horizon OTP Office of Telecommunications Policy (U.S.) OTS Off-The-Shelf OVRD Override OVS Overhead Video System oxy Oxygen PA (.1.).Passenger.Address..
( 2 ) Power Amplifier
PAC  Path.Attenuation.Compensation.(Correction):.A. warning.annunciation.of.the.weather.radar..It.tells.
the pilot there is a significant weather activity on
that.bearing. PA/CI Passenger.Address/Cabin.Interphone PACIS Passenger.Address.and.Communication.
Interphone.System PAD Packet.Assembler-Disassembler Paired DME channels are paired with a VORTAC or ILS
Channels  frequency and are automatically selected when the VORTAC or ILS frequency is selected. Most
navigation.controls.have.this.feature. PAL Programmable.Array.Logic PAM Pulse.Amplitude.Modulation PAMB Pressure,.ambient PANS-OPS Procedures.for.Air.Navigation.Services-Aircraft.