Key facts
- Brand
- Simrad
- Model
- AP28
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-03
Start here
Simrad AP28 Autopilot Operator Manual
The Simrad AP28 autopilot is an intelligent control system designed for leisure boats between 30 and 50 feet. It utilizes a single computer communicating via the proprietary SimNet network to manage steering, heading sensors, rudder feedback units, and optional accessories like remote controls or joystick interfaces.
This document serves as a reference guide for operators and technicians, detailing system components, operation modes (including Auto, NoDrift, and Wind Vane), menu navigation, installation procedures, alarm codes, and maintenance tasks such as software updates and component calibration.
Simrad AP28 specifications
| Boat type and size | Sail‑ and Motor boat, up to 80 ft. |
|---|---|
| Maximum products on SimNet | 50 |
| Power consumption (AP24) | 1.2 W |
| Operating temperature | 0 °C to +55 °C |
| Weight (AP24 control unit) | 0.3 kg (0.7 lb) |
| SimNet ports (AP24) | 2 (input/output) |
Source: Simrad AP24/AP28 Autopilots with AC12/AC42 Autopilot Computers Installation Guide
All Simrad AP28 documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the purpose of the SimNet network?
SimNet provides high‑speed data transfer and control of Simrad products integrated in a total steering and navigation system.
From: Simrad AP24/AP28 Autopilots with AC12/AC42 Autopilot Computers Installation Guide
How many SimNet ports does the AP24 control unit have?
The AP24 control unit has two SimNet ports (input and output).
From: Simrad AP24/AP28 Autopilots with AC12/AC42 Autopilot Computers Installation Guide
What type of boats is the Simrad AP28 autopilot designed for?
The system is intended for leisure boats between 30 and 50 feet.
What voltage is required for the motor supply?
The motor supply requires 12/24V.