NDT  Non-Destructive Test
OAMP  On Aircraft Maintenance Planning
OAT  Outside Air Temperature
OJT  On The Job Training
OP  Operational Check
OVHT  Overheat
OXY  Oxygen
P/B  Pushbutton
P/N  Part Number
PA  Passenger Address
PCU  Power Control Unit
PFD  Primary Flight Display
PMA  Parts Manufacturer Approval
（ Authority）
PMA  Permanent Magnet Alternator
PMG  Permanent Magnet Generator
PSIA  Pounds Per Square Inch Absolute
PSID  Pounds Per Square Inch Differential
PSIG  Pounds Per Square Inch Gage
Pt  Total Pressure
PTT  Push To Test Or Push To Talk
PTU  Power Transfer Unit
QAD  Quick-Attach-Detach

QAR  Quick Access Recorder
QC  Quality Control
QFE  Field Elevation Pressure
QNH  Sea  Level  Standard  Atmosphere 
Pressure
QTY  Quantity
RA  Radio Altimeter, Radio Altitude

RCVR ReceiverRH Right HandROM Read Only MemoryRPM Revolution Per MinuteRTO Rejected Take OffRVDT Rotary Variable
TransducerS/N Serial Number
Differential
SAT Static Air TemperatureSEC Spoiler Elevator Computer
SEL Selected CallCAL SFCC Slat Flap Control Computer
SID Standard Instrument Departure
SRU Shop Replaceable Unit快速存取記錄器 質(zhì)量控制 場(chǎng)壓 修正海壓
數(shù)量，量 無(wú)線電高度表，無(wú)線電高度 讀寫存儲(chǔ)器 沖壓空氣渦輪 接收機(jī) 右手邊，右側(cè) 只讀存儲(chǔ)器 轉(zhuǎn)/分鐘 中斷起飛 旋轉(zhuǎn)可變差動(dòng)傳感器 序號(hào) 靜空溫 擾流板升降舵計(jì)算機(jī) 選擇呼叫
襟縫翼操縱計(jì)算機(jī) 標(biāo)準(zhǔn)儀表離港 車間可更換組件