5.31~5.40

5.31 文件记录编号 File Record Number (FRN)

  5.31 File Record Number (FRN)
  Definition/Description: The “File Record Number” is a reference number assigned to the record for housekeeping purposes. Records are numbered consecutively, the first record on the file being assigned the number 00001, the second the number 00002, and so on through the final record on the file. File record numbers are subject to change at each file update.
  Source/Content: File record numbers are assigned to records during the assembly of the data file. If the file reaches 99999, the next record number will start over with 00000.
  Used On: All records
  Length: 5 characters
  Character Type: Numeric
  Examples: 10640, 00420, 31462

  5.31 文件记录编号
  定义或描述：用于管理存储记录目的所分配的一个参考号。记录编号是连续的，文件上的第一个记录编为00001，第二个编为00002，依次类推至文件上的最后一个记录。在文件更新时，文件记录编号可能会改变。
  数据源或供选编码：文件记录编号在汇集数据文件时分配给各记录。文件达到99999时，下一个记录号从00000开始。
  应用范围：所有记录
  字节数：5位
  字符类型：数字
  举例：10640、00420、31462

5.32 生成周期 Cycle Date (CYCLE)

  5.32 Cycle Date (CYCLE)
  Definition/Description: The “Cycle Date” field identifies the calendar period in which the record was added to the file or last revised. A change in any ARINC 424 field, except Dynamic Magnetic Variation, Frequency Protection, Continuation Record Number and File Record Number, requires a cycle date change. The cycle date will not change if there is no change in the data.
  Source/Content: The first two digits of the field contain the last two digits of the year in which the addition or revision was made. The last two digits contain the numeric identity of the 28-day data update cycle during which the change occurred. Each calendar year contains 13 such cycles, however, on rare occasions 14 cycles will be encountered.
  Used On: All records
  Length: 4 characters
  Character Type: Numeric

  5.32 生成周期
  定义或描述：表示记录加到数据文件或最后修订的日历段，任何ARINC424数据字段，除磁差、频率保护、续记录号和文件记录编号之外，有一个生成周期变化, 如果数据无变化，该日期不改变。
  数据源或供选编码：的前2位包括修改数据所在年份的后2位，后2位包括数据改变所在的28天数据更新周期的数字日期。每一历年包括13个这种周期，但十分罕见的情况下会出现14个周期。
  应用范围：所有记录
  字节数：4位
  字符类型：数字

5.33 VOR/NDB呼号 VOR/NDB Identifier

  5.33 VOR/NDB Identifier (VOR IDENT/NDB IDENT)
  Definition/Description: The “VOR/NDB Identifier” field identifies the VHF/MF/LF facility defined in the record.
  Source/Content: The field contains the official government 1-, 2-, 3- and 4-character facility identification code.
  Used On: VHF NAVAIDs, NDB NAVAIDs, Airport Localizer Marker records, Airport and Heliport Localizer, and Airport and Heliport MLS records. Length: 4 characters max Character Type: Alpha/numeric
  Examples: DEN, 6YA, PPI, TIKX

  5.33 VOR/NDB呼号
  定义或描述：识别定义在记录中的VHF/HF/LF设施。
  数据源或供选编码：包括官方规定的1字符、2字符、3字符和4字符设施识别代码。
  应用范围：VHF台、NDB台、机场LOC MKR记录、机场的LOC、机场的MLS记录
  字节数：最多4位
  字符类型：字母/数字
  举例：DEN、6YA、PPI 、TIKX

5.34 VOR/NDB频率 VOR/NDB Frequency

  5.34 VOR/NDB Frequency(VOR/NDB FREQ)
  Definition/Description: The “VOR/NDB Frequency” field specifies the frequency of the NAVAID identified in the “VOR/NDB Identifier” field of the record.
  Source/Content: Frequencies are derived from official government sources. VHF NAVAID frequencies contain characters for hundreds, tens, units, tenths and hundredths of megahertz. NDB frequencies contain characters for thousands, hundreds, tens, units and tenths of kilohertz. The decimal point following the unit entry is suppressed in both cases.
  Used On: VHF NAVAID, NDB NAVAID, Airport Localizer Marker records
  Length: 5 characters
  Character Type: Numeric
  Examples: VHF 11630, 11795 NDB 03620, 17040

  5.34 VOR/NDB频率(VOR/NDB FREQ)
  定义或描述：表示在记录的VOR/NDB识别字段中表示的导航台的频率。
  数据源或供选编码：频率来自官方资料。VHF台频率包括MHZ的百位、十位、个位、十分位的数字。NDB频率包括KHZ的千位、百位、十位、个位、十分位的数字。两种情况下的小数点均省略。
  应用范围：VHF台、NDB台、机场LOC MKR记录
  字节数：5位
  字符类型：数字
  举例；VHF 11630、11795，NDB 03620、17040

5.35 导航台等级 NAVAID Class(CLASS)

  5.35 导航台等级 NAVAID Class (CLASS)
  Definition/Description: The “Navaid Class” field provides information in coded format on the type of navaid, the useable range or assigned output power of the navaid, information carried on the navaid signal and collocation of navaids in both an electronic and aeronautical sense. The field is made up of five columns of codes that define this information.
  定义或描述：以编码格式表示电子的和航空传感的导航台的种类、使用范围、额定输出功率、导航台信号资料和设施组配资料。由定义这些数据的5栏组成。
  Source/Content: The information for the five columns is derived from official government source. The mapping of the information codes to the output record columns for the various types of navaids is contained in the tables below.
  数据源或供选编码：5栏数据来自官方资料，各种导航台采用输出记录栏所对应的数据代码见表。
  Used On: Navaid Records (VHF, NDB and Airport/Heliport Localizer/Markers/Locators)
  应用范围：导航台记录(VHF、NDB和机场航向台、指点标、示位台)
  Length: 5 characters (including “blanks”)
  字节数：5位
  Character Type: Alpha
  字符类型：字母

  VHF导航设备记录(VOR,VORDME,VORTAC,TACAN,ILSDME,MLSDME)

  NDB导航设备记录(终端区NDB及航路上NDB)

  机场/直升机机场定位信标标记/定位器记录

  Note 1: Collocations: For VHF Navaid records, the character “N” in column 32 is entered if either the latitude and/or the longitude of the VOR and the Collocated DME or TACAN of a frequency paired VORDME or VORTAC differ by 1/10 arc minutes or more. Column 32 is “blank” on VHF Navaids where the difference in latitude or longitude is less than the 1/10-arc minutes. Column 32 of the VHF Navaid will also carry the “N” or “blank” meaning listed above for frequency paired ILSDMEs and ILSTACANs.Note that in this later case, the character is carried on the ILSDME or ILSTACAN record as the Localizer record is not part of the VHF Navaid Section.
  注释1：组配情况：VHF台记录，如果一个频率配对的VORDME或VORTAC 的VOR和TACAN或DME的纬度和/或经度相差在1/10弧分以上，在VHF台记录第32列填入N。经纬度相差小于1/10弧分的VHF台，该列为空白。ILSDME和ILSTACAN频率配对，VHF台的32列亦按上述方法填N或空。注意在后一种情况下，ILSDME或ILSTACAN记录作为航向台记录采用的字符，不是VHF台字段的一部分。

  Note 2: Collocation: For Airport/Heliport Localizer Marker/Locator records, the character “N” in column 79 is entered if either the latitude or longitude of a Marker and it aeronautically associated Locator differ by 1/10-arc minutes or more. The character “A” in column 79 is entered if the latitude or longitude of a Marker and its aeronautically associated Locator differ by less than 1/10-arc minutes. Column 79 is left “blank” when the latitude and longitude of the Marker and Locator are exactly the same.
  注释2：组配情况：机场的航向台、指点标和示位台记录，指点标与同在一地的示位台的经度和/或纬度相差在1/10弧分以上的，在79列中填写N。当指点标与同在一地的示位台的经度和纬度两样相差在1/10弧分以下的， 79列中填写A。当指点标与示位台的经纬度完全一样时，该记录的79列为空格。

  Note 3: VHF Navaid Records, Range/Power. The character “U” is entered into column 30 on VHF Navaid Records when the official government source has not defined the use of the facility or has not restricted such use by range or altitude.
  注释3：VHF记录，范围/功率。当官方文件没有范围或高度限制设施使用的，在VHF台的30列中填写U。

  Note 4: VHF Navaid Records, Range Power. The character “C” is entered into column 30 when that records contains a TACAN Navaid that is frequency paired with an ILS Localizer with the same identifier at the same location. The character is only used in combination with the character “I” in column 29. If the “C” appears in column 30, the Range is understood to be “T” = Terminal use. Note that in some output files, this TACAN Navaid may be listed twice, once as a TACAN and once as an ILSTACAN, depending on the individual government source publication.
  注释4：VHF记录，范围功率。当记录包括一个TACAN设施，其频率与航向台配对并有同样的识别时，在VHF台的30列中填写C。该字符只能与29列的I合用。如果30列为C,范围应理解为T=终端区使用。注意，在某些输出文件中，TACAN可能列出两次，一次作为TACAN，一次作为ILSTACAN,要根据官方公布的资料。

  Note 5: NDB Navaids, Airport/Heliport Localizer Marker/Locator Navaids, BFO Operations. While not a “collocation” indication, the character “B” is entered in the Collocation Columns (32 of NDB Navaids and 79 of Airport/Heliport Localizer Marker/Locator Navaids) to indicate the type of signal emitted by the Navaid requires the use of a Beat Frequency Oscillator (BFO) to make the morse identifier transmission audible. Should both a collocation and a BFO condition exist for one and the same Navaid Record, preference is given to the collocation characters.
  注释5：NDB ，机场航向台/示位台、BFO运行。但不在同一地，组合配对栏中填写B(NDB的32列和机场航向台/示位台的79列)表示信号发射类型要求使用差频振荡器BFO，以便作莫尔斯电码音频发射。如果一个设施或同一导航台记录存在组合配置和BFO的情况，最好选择组合配置的字符。

5.36 纬度 Latitude (LATITUDE)

  5.36 Latitude (LATITUDE)
  Definition/Description: The “Latitude” field contains the latitude of the navigational feature identified in the record.
  Source/Content: Geographic positions whose latitudes must be included in the data base are defined during route design, many of them in official government publications. The field is constructed as follows. The first character position contains the alpha character “N” or “S” indicating whether the latitude is north or south of the equator. “N” is entered for latitudes falling on the equator. The following eight numeric characters define the latitude in degrees, minutes, seconds, tenths of seconds and hundredths of seconds. Degree, minute and second symbols and the decimal point are suppressed.
  Note: Some RNAV system users may elect to round off latitude values to resolutions of less than one hundredth of a second prior to the entry of these data into the airborne computer.
  The navigation reference points to be defined by latitude and longitude coordinates are listed in Figure 5-8.
  Used On: NAVAID, Waypoint, Airport and Heliport ILS, Airport, Gate, Runway, Airport and Heliport Localizer Marker, Airport and Heliport MLS and GLS, Airport and Heliport MLS Continuation, Airway Marker, Airport and Heliport Communications, Enroute Communications, Heliport, Restrictive Airspace, FIR/UIR, Controlled Airspace, Path Point and GLS Records.
  Length: 9 characters
  Character Type: Alpha/numeric
  Examples: N39513881

  5.36 纬度
  定义或描述：包括在记录中表示的航行实体的纬度。
  数据源或供选编码：其纬度必须包括在数据库中的地理位置，是在设计航路时确定的，很多数据源自官方的出版物。第一个字母为N或S表示北半球或南半球。随后的8位数表示度、分、秒、十分位秒、百分位秒，秒号和小数点省略。
  注：某些RNAV系统用户在输入机载数据库之前可能选择小于百分之一秒分辨率的纬度大约值
  以经纬度坐标定义的航行参考点见图表5-8 经纬度取值定义
  应用范围：NAVAID、 航路点、机场ILS 、机场、登机门 、跑道 机场的LOC MKR MLS GLS记录 、机场 MLS续记录、 航路MKR 、机场COMM、 航路COMM 、限制空域、FIR/UIR、 管制空域 、航径点和GLS记录
  字节数：9位
  字符类型：字母/数字
  举例：N39513881

5.37 经度 Longitude (LONGITUDE)

  5.37 Longitude (LONGITUDE)
  Definition/Description: The Longitude field contains the longitude of the geographic position of the navigational feature identified in the record.
  Source/Content: Geographic positions whose longitudes must be included in the data base are defined during route design, many of them in official government publications. The field is constructed as follows: The first character position will contain the alpha character “E” or “W,” indicating whether the longitude is east or west of the prime (zero degree) meridian. For longitudes falling on the 0 or 180 degree meridians, “E” is entered. The following nine numeric characters define the longitude in degrees, minutes, seconds, tenths of seconds and hundredths of seconds. Degree, minute and second symbols and the decimal point are suppressed.
  Note: Some RNAV system users may elect to round off longitude values to resolutions of less than one hundredth of a second prior to the entry of these data into the airborne computer. The navigation reference points to be defined by latitude and longitude coordinates are listed in Figure 5-8.
  Used On: NAVAID, Waypoint, Airport and Heliport ILS, Airport, Gate, Runway, Airport and Heliport Localizer Marker, Airport and Heliport MLS, GLS Airports and Heliport MLS Continuation, Airway Marker, Airport and Heliport Communications, Enroute Communications, Heliport, Restrictive Airspace, FIR/UIR, Controlled Airspace, Path Point and GLS Records.
  Length: 10 characters
  Character Type: Alpha/numeric
  Examples: W104450794

  5.37 经度
  定义或描述：经度字段包括在记录中表示的航行实体的经度。
  数据源或供选编码：其经度必须包括在数据库中地理位置，是在设计航路时确定的。很多数据源自官方的出版物。第一个字母为E或W表示东半球或西半球。随后的9位数表示度、分、秒、十分位秒、百分位秒，秒号和小数点省略。
  注：某些RNAV系统用户在输入机载数据库之前可能选择小于1/100秒分辨率的经度约数以经纬度坐标定义的航行参考点见图表5-8经纬度取值定义
  应用范围：NAVAID、 航路点、机场ILS、机场、 登机门、 跑道、机场的LOC MKR MLS GLS记录、MLS续记录、 航路MKR、 机场COMM、 航路航线COMM、 限制空域、FIR/UIR、 管制空域、 航径点和GLS记录
  字节数：10位
  字符类型：字母/数字
  举例：W104450794

Figure 5-8

  Note 1: The VOR latitude and longitude fields are filled when the “NAVAID Class” field contains the letter “V” in column 28 of the record. If column 28 is blank, these fields are blank also.
  注 1：当记录的第 28 列中的“导航设施类别”字段包含字母“V”时，VOR 的纬度和经度字段会被填充。如果第 28 列空白，这些字段也空白。

Note 2: The DME or TACAN latitude and longitude fields are filled when the “NAVAID Class” field contains the letters “D,” “I” “M,” “N,” “P” or “T” in column 29 of the record. If column 29 is blank, these fields are blank also.
  注 2：当记录的第 29 列中的“导航设备类别”字段包含字母“D”、“I”、“M”、“N”、“P”或“T”时，填写 DME 或 TACAN 的纬度和经度字段。如果第 29 列空白，这些字段也空白。

  Note 3: The MLS Back Azimuth latitude and longitude fields are to be left blank where no such facility exists.
  注 3：在不存在此类设施的情况下，MLS 后方位角纬度和经度字段应留空。

  Note 4: MLS Datum is the point on the runway center line closest to the phase center of the approach elevation antenna.
  注 4: MLS 基准点是跑道中心线距离进近仰角天线相位中心最近的点。

  Note 5: The Runway latitude and longitude fields define the Runway Landing Threshold. This threshold can be the beginning of the landing runway pavement. It will be the displaced threshold (inward from the beginning of the landing runway pavement) when such is published by official government documentation.
  注 5：跑道的纬度和经度字段定义了跑道着陆阈值。此阈值可以是着陆跑道路面的起点。当官方政府文件公布时，它将是移位阈值（从着陆跑道路面起点向内）。

  Note 6: Localizer Glide Slope latitude and longitude may be blank then detail not available through source documentation.
  注 6：定位器下滑道的纬度和经度可能为空，那么通过源文档无法获取详细信息。

  Note 7: On Communications Records, the Latitude and Longitude always define the transmitter antenna site, regardless if that site is a Remote Communications Outlet or independent transmitter position not associated with a Navaid.
  注 7：在通信记录中，纬度和经度始终定义发射机天线站点，无论该站点是远程通信插座还是与导航设施无关的独立发射机位置。

5.38 DME识别符/DME Identifier (DME IDENT)

  5.38 DME Identifier (DME IDENT)
  Definition/Description: The identification of a DME facility, a TACAN facility or the DME (or TACAN) component of a VORDME or VORTAC facility.
  Source/Content: The “DME Identifier” field will contain the officially published 2-, 3-, or 4-character DME facility identifier. For VOR/DME and VORTAC facilities, if the identification codes of the VOR and DME components of the NAVAID defined in the record are the same, the field will be blank. If they are not the same, the VOR Identification will be as defined in Section 5.33 and the DME Identifier field will carry the identification of the DME component. The field is blank when the VHF Navaid facility in the reference record has no DME component. The field will always contain the DME Identifier for TACANs, DME Only NAVAIDS and Localizer or MLS DME facilities.
  Used On: VHF NAVAID records
  Length: 4 characters max
  Character Type: Alpha/numeric
  Examples: MCR, DEN, IDVR, DN, (Blank)

  5.38 DME识别符
  定义或描述：用于定义一个DME、TACAN设施或VORDME/VORTAC的DME或TACAN单元的识别。
  数据源或供选编码：包括官方公布的DME的2字、3字或4字设施识别。对VOR/DME和VORTAC设施，如果VOR识别和记录中定义的NAVAID的DME单元的识别相同，该字段为空格。如果不同，VOR的识别按照5.33执行，DME识别字段填写DME单元的识别。当VHF NAVAID在相关记录中无DME单元时，则为空格。在有TACAN、只有DME和LOC或MLS DME设施时，必须填写DME识别。
  应用范围：VHF NAVAID记录
  字节数：最多4位
  字符类型：字母/数字
  举例：MCR、DEN、IDVR、DN、(BLANK)

5.39 磁差 Magnetic Variation

  5.39 Magnetic Variation (MAG VAR, D MAG VAR)
  Definition/Description: The “Magnetic Variation” field specifies the angular difference between True North and Magnetic North at the location defined in the record. “Dynamic Magnetic Variation” is a computer model derived value and takes location and date into consideration. For the “Station Declination” used in some record types, refer to Section 5.66.
  Source/Content: Magnetic variations are obtained from official government data sources and other geographical magnetic variation source. A number of different terms are used in government documentation that have specific connotations for the information provided by that government. The most common is “Epoch Year Variation.” In theory, this is a value determined by a government agency once every five years and published for general use. Along with Epoch Year Variation, some governments also publish an annual drift value. Data suppliers do not include annual drift derived figures in their databases but rather stay with the Epoch Year value. Another term encountered in source documentation is “Magnetic Variation of Record.” This is generally an Epoch Year value. The difference here is that the government authority has established the value as valid for everything associated with a given location. For example, if a Magnetic Variation of Record is established for an airport location, everything referenced to that airport will use the same value. This is of interest as it means that Terminal Procedure design is also based on that value. Obvious differences can occur between a database supplied, semi-static value, and a value derived dynamically, either by the airborne systems or supplier ground systems. Dynamic Magnetic Variation, contained in the VHF Navaid Continuation Record and Enroute/Terminal Waypoint Primary Records, is a computed, earth model derived figure, and is updated dynamically on a schedule established by the data base supplier. Position one of the field contains an alpha character taken from the table below followed by the value of magnetic variation expressed in degrees and tenths of a degree, with the decimal point suppressed. When the first column is coded with the character “T,” the value will be all zeros.

  Used On: Airport, NDB Navaid, Airport Localizer Marker, MLS, GLS, Airway Marker, Enroute/Airport/Heliport Communication, Heliport, Enroute Waypoint, Airport and Heliport Terminal Waypoint and GLS Primary Records and VHF Navaid Continuation Records.
  Length: 5 characters
  Character Type: Alpha/numeric
  Examples: E0140, E0000, T0000

  5.39 磁差
  定义或描述：说明记录定义位置的真北与磁北之间相差的角度。“磁差”是一个计算机模型值，并要考虑选取位置和日期。在某些记录中使用“建台磁差”，见5.66。
  数据源或供选编码：磁差值来源于官方和其它地磁资料部门。在政府文件中使用了许多不同的术语说明该部门提供的资料。用的最多的是“纪元年磁差”。理论上讲，这是政府部门每5年确定的一个值并公布为大众采用。运用这个“纪元年磁差”值，有关政府机构还公布年变率资料。其它遇到的术语如记录的磁差值。这是一般的“纪元年磁差”。不同的是政府当局规定所有与一个特定位置有关的有效值。例如，一个记录的磁差定为一个机场的磁差，则所有与机场为基准的实体就要使用同样的磁差。其意义在于终端程序的设计也要基于这个值。明显的差异出现在数据库提供半静态的数据或动态的数据，机载系统和地面系统两种数据都使用。在VHF NAVAID续记录、航路/终端航路点主记录中的动态数据是计算的，源自每个地球模型的数据，由数据供应商定期动态更新。第一位置项包括下表中的字母，后随度和十分位度，省略小数点表示的磁差值。如果第一列使用的代码为T，其值均为零。

  应用范围：机场、NDB NAVAID、机场LOC MKR、航路/机场通信、航路航线及终端区航路点、GLS主记录、VHF NAVAID续记录
  字节数：5位
  字符类型：字母/数字
  举例：E0140、E0000、T0000

5.40 标高 DME Elevation (DME ELEV)

  5.40 DME Elevation (DME ELEV)
  Definition/Description: The “DME Elevation” field defines the elevation of the DME component of the NAVAID described in the record.
  Source/Content: DME elevations specified in official government publications are entered into this field in feet with respect to MSL. When the elevation is below MSL, the first column of the field contains a minus (-) sign.
  Used On: VHF NAVAID records
  Length: 5 characters
  Character Type: Alpha/numeric
  Examples: 00530, -0140

  5.40 DME标高
  定义或描述：定义记录描述的NAVAID的DME单元的标高。
  数据源或供选编码：用官方出版物中规定的DME 标高填入本项，以高于MSL的英尺为单位。低于MSL的，本项第一列填“-”。
  应用范围：VHF NAVAID记录
  字节数：5位
  字符类型：字母/数字
  举例：00530、-0140

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