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system
關鍵的Key 航向Hearing 姿態Attitude
當前位置Present position 電子飛行儀表系
統
Electronic
flight
instrument
system
氣象雷達Weather radar
地圖Map 低空無線電高度
表
Low range
radio
altimeter
絕對的Absolute
高度Height 近地警告系統Ground
proximity
warning
system
聽覺Aural
視覺的Visual 不安全的Unsafe 飛行管理計
算機系統
Flight
management
computer system
領航Navigate 最佳的Optimization 指點標Maker beacon
特殊的Specific 以前previously 起源Origin
終點destination 到來advent 隨著…出現With the advent
of
直接Direct 大圓弧Great circle 強烈期望的Highly desirable
有可能的potential 可能的Possible 誤差Error
核實verify 計算Computation 冗長Lengthy
耗費Comsume 適合于Suit 機載的Onboard
附近的Nearby 遠距離的Distant 復雜的Complex
最佳的Optimize 爬高Climb 剖面profile
預測predict 更進一步further 計劃Projection
分段爬升Step climb 巡航Cruise 以及As well as
下降Descent 貫穿Throughout 把…做為目
標
Target
利用Utilization 綜合飛行系統附
件裝置
Integrated
flight system
accessory
unit
航線可更換
件
Line replaceable
unit
印刷電路板Print circuit card 試驗Test 抑制suppression
數模適配器Data analog
adapter
故障Failure 存儲器Memory
狀態Status 航空無線電公司Aeronautical
radio
incorporated
數據總線Data bus
無線電距離
磁指示器
Radio distance
magnetic
indicator
自檢測設備Build –in
text
equipment
離散的discrete
完成perform 任務Task 燃油累加裝
置
Fuel summation
unit
飛行控制計
算機
Flight control
computer
二、TEXT
(1) the navigation system compute and display the airplane’s position and
movement over the earth’s surface. The navigation systems include the
following main subsystems:
 ADF automatic direction finder — ADF system provide a display of the
relative bearing to a selected ground transmitter.
 VOR/ILS(very high frequency omnirange/instrument landing system)—
this system provide displays of relative and magnetic bearing to a selected
VOR station and deviation from a preselected course.When truned to an
ILS frequency, the system provides a display of the lateral and vertical
deviation from the optimum landing path.
 DOM(distance measuring equipment) —DME system measures the
slant range distance to the selected DME facility.
 ATC (air traffic control)— ATC system transmits airplane identification
and altitude data to a ground facility.
 ADS (air data system)— ADS system measures pitot and static pressure
and total air temperature and computes various air data parameters.
 IRS(inertial reference system)— this system provides outputs of key
navigation parameters such as heading, attitude, and airplane present
position.
 EFIS(electronic flight instrument system )— this system providesdisplays
of information from various airplane systems.
 WXR(weather radar) —this system provides a display of the weather
conditions forward of the airplane, and can also provide a map display.
 LRRA(low range radio altimeter)— this system measures the absolute
height of the airplane above the earth’s surface.
 GPWS(ground proximity warning system)— this system uses inputs from
other systems to navigatee the airplane and provide optimization of the
flight plan.
 FMCS(flight management computer system)— this system provides the
pitot with aural and visual warning of an unsafe flight path relative to the
earth’s surface.
 MKR BCN(marker beacon ) —this system provides an indication when
the airpnale is passing over a specific position.
 TCAS(traffic alert and collision avoidance system)— this system
provides the pitots with warnings and advisories of unsafe flight
conditions with regard to other airplanes operating in the area.
 導航系統計算并顯示飛機的位置及其在地球表面的移動。導航系統包
括下列子系統：
 自動定向機——此系統提供一個相對一個選定的地面發射臺的相對
方位角顯示。
 甚高頻全向信標/儀表著陸系統——此系統提供飛機相對于一個選定
的VOR 臺的磁方位及飛機與預選航道的偏離顯示信號。當轉動儀表
著陸系統的頻率時，此系統顯示飛機與最佳著陸路徑在水平及垂直方
向上的偏差。
 測距機—— 此系統用來測量飛機與選定的DME 設備的斜距。
 空中交通管制—— 此系統發射飛機識別碼及高度信號給地面設備。
　
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