备降记录介绍
The Alternate Record file contains a listing of up to six Alternate Airport Identifiers or, up to six Alternate Company Route Identifiers or any combination of Alternate Airport or Alternate Route Identifiers for a given departure airport, destination airport or enroute fix. The data content of the record is customer defined.
备用记录文件包含了多达六个备用机场标识符的列表，或者多达六个备用公司航线标识符的列表，或者对于给定的出发机场、目的地机场或途中定位点的备用机场或备用航线标识符的任意组合。该记录的数据内容由客户定义。
4.1.30.1 备降主记录
| 列 | 字段名(字节数) | Field Name | 定义编号 |
|---|---|---|---|
| 1 | 数据源类型(1) | Record Type | 5.2 |
| 2~4 | 客户/区域代码(3) | Customer/Area Code | 5.3 |
| 5 | 章代码(1) | Section Code | 5.4 |
| 6 | 节代码(1) | Subsection Code | 5.5 |
| 7~11 | 备降机场或定位点(5) | Alternate Related Airport or Fix | 5.75 |
| 12~13 | 备降机场情报区二码(2) | Alternate Related ICAO Code | 5.14 |
| 14 | 备降机场章代码(1) | Alternate Related Section Code | 5.4 |
| 15 | 备降机场节代码(1) | Alternate Related Subsection Code | 5.5 |
| 16~17 | 备降机场记录类型(2) | Alternate Record Type | 5.250 |
| 18~19 | 空白(2) | Blank(Spacing) | |
| 20~22 | 备降距离(3) | Distance to Alternate | 5.251 |
| 23 | 备降类型(1) | Alternate Type | 5.252 |
| 24~33 | 主备降场四码(10) | Primary Alternate Identifier | 5.253 |
| 34~35 | 空白(2) | Blank(Spacing) | |
| 36~38 | 至备降机场距离(3) | Distance to Alternate | 5.251 |
| 39 | 备降类型(1) | Alternate Type | 5.252 |
| 40~49 | 其它备降场四码(10) | Additional Alternate Identifier One | 5.253 |
| 50~51 | 空白(2) | Blank(Spacing) | |
| 52~54 | 至备降机场距离(3) | Distance to Alternate | 5.251 |
| 55 | 备降类型(1) | Alternate Type | 5.252 |
| 56~65 | 其它备降场四码(10) | Additional Alternate Identifier Two | 5.253 |
| 66~67 | 空白(2) | Blank(Spacing) | |
| 68~70 | 至备降机场距离(3) | Distance to Alternate | 5.251 |
| 71 | 备降类型(1) | Alternate Type | 5.252 |
| 72~81 | 其它备降场四码(10) | Additional Alternate Identifier Three | 5.253 |
| 82~83 | 空白(2) | Blank(Spacing) | |
| 84~86 | 至备降机场距离(3) | Distance to Alternate | 5.251 |
| 87 | 至备降机场距离(3) | Alternate Type | 5.252 |
| 88~97 | 其它备降场四码(10) | Additional Alternate Identifier Four | 5.253 |
| 98~99 | 空白(2) | Blank(Spacing) | |
| 100~102 | 至备降机场距离(3) | Distance to Alternate | 5.251 |
| 103 | 备降类型(1) | Alternate Type | 5.252 |
| 104~113 | 其它备降场四码(10) | Additional Alternate Identifier Five | 5.253 |
| 114~123 | 留白(10) | Reserved (expansion) | |
| 124~128 | 文件记录编号(5) | File Record No. | 5.31 |
| 129~132 | 生成周期(4) | Cycle Data | 5.32 |
许可协议
本文采用 署名-非商业性使用-相同方式共享 4.0 国际 许可协议，转载请注明出处。
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