| Feature | LTN-92 (per manual) | Modern GPS/IRS (e.g., Honeywell HUG, Universal UNS-1) | | :--- | :--- | :--- | | | 5–15 minutes | < 2 minutes (GPS-aided) | | Position Accuracy | 0.8 NM per hour (pure INS) | < 10 meters (with GPS) | | Waypoint Memory | 9 waypoints | Thousands | | Weight | ~30 lbs per unit | ~6 lbs | | Manual Complexity | High (cryptic codes) | User-friendly menus |