| 纬度值 | 传统半解析式惯导系统航向误差 | 基于惯性平台调制技术半解析式惯导系统航向误差 |
| 55˚ | 2.60'/24h (max) | 0.55'/24h (max) |
| 65˚ | 3.72'/24h (max) | 0.78'/24h (max) |
| 75˚ | 6.31'/24h (max) | 1.32'/24h (max) |
| 85˚ | 19.46'/24h (max) | 4.10'/24h (max) |