This document is a user guide and reference manual for GARMIN GPS 155XL navigation system software version 2.04 or above. It describes the features and characteristics of the product.
This manual introduces the Garmin GPS 155XL, a panel‑mount IFR GPS receiver for aviation. It covers safety cautions, accessories, warranty information, and a detailed table of contents that guides users to specific functions such as navigation, waypoint management, route planning, and approach procedures.
Appendices include specifications, installation and maintenance guidance, a simulator overview, message and abbreviation tables, and a troubleshooting Q&A. The document also provides an index for quick reference to topics like trip planning, unit settings, and vertical navigation.
| Physical Size | 6.25"W x 5.8"D x 2"H (159mm x 147mm x 51mm) |
|---|---|
| Weight | 27.2 ounces (0.77 kg) |
| Power Input | 10‑33 V DC (aircraft power), optional 115 V/230 V AC adapter |
| Operating Temperature | -4 °F to 158 °F (‑20 °C to 70 °C) |
| Receiver Channels | 12‑channel PhaseTrac12™ |
| Accuracy | 15 m RMS |
| Update Rate | 1 Hz (continuous) |
| Interfaces | ARINC 429, NMEA 0183 V2.0, PC Interface, Altitude Serializer, Fuel Sensor |
The standard package includes the GPS 155XL unit, NavData® card, GPS antenna, installation rack and connectors, pilot’s guide, quick reference guide, database subscription packet, and warranty registration card.
Garmin warrants the product to be free from defects in materials and workmanship for one year from the date of purchase.
The unit requires 10‑33 V DC input and can also be powered by an optional remote battery pack or 115 V/230 V AC via an optional adapter.
The receiver provides 12 channels.