1. Introduction and Safety Guidelines
This manual provides essential information for the safe and effective operation of your Actualia RC ERA C138 Pro Bell 206 RC Helicopter. Please read all instructions carefully before use.
1.1 Safety Information
No Warning Applicable: The product itself does not carry specific warnings beyond general RC product safety. However, users must adhere to the following general safety guidelines:
- This product is recommended for users aged 15 years and up.
- Always operate the helicopter in open, unobstructed areas, away from people, animals, and obstacles.
- Do not fly near power lines, roads, or water bodies.
- Ensure the battery is fully charged before each flight and handle batteries with care.
- Never attempt to modify the helicopter or its components.
- Keep fingers and loose clothing away from rotating blades.
2. Package Contents
Verify that all items listed below are included in your package:
- Helicopter x 1
- Remote controller x 1
- User manual x 1
- USB charging cable x 1
- Main blade x 2
- Tail blade x 1
- Li-ion battery x 1/2/3/4 (depending on variant)
- Screwdriver x 1
- Hex wrench x 1
3. Product Overview
The RC ERA C138 Pro Bell 206 RC Helicopter is a 1/33 scale model designed for enthusiasts. It features a 6-channel flybarless brushless system with 3D stunt capabilities, optical flow, and altitude hold for stable and precise flight.
3.1 Helicopter Components
Familiarize yourself with the main components of your helicopter:

Figure 1: RC ERA C138 Pro Bell 206 RC Helicopter. This image shows the helicopter's design, highlighting its optical flow positioning system and six-way variable pitch structure for stable flight. Three servos ensure wind resistance and pressure-free operation.

Figure 2: Dimensions of the RC ERA C138 Pro Bell 206 RC Helicopter. This diagram illustrates the key dimensions of the helicopter, including main rotor diameter (306mm), fuselage length (312mm), and height (101mm).
4. Setup
4.1 Battery Installation and Charging
Before first use, ensure the helicopter battery is fully charged. The battery is a Li-ion type with a capacity of 350mAh and a voltage of 7.4V.
- Locate the battery compartment on the underside of the helicopter.
- Insert the battery into the compartment, ensuring a secure fit.
- Connect the battery to the helicopter's power port.
- Use the provided USB charging cable to charge the battery. The charging time is approximately 50 minutes.
Video 1: Battery Casing Handling. This video demonstrates how to properly handle and secure the battery within the helicopter, particularly if the casing feels loose.
4.2 Remote Control Setup
The remote controller requires its own batteries (not included, typically AA batteries). Install them in the compartment on the back of the remote.
Video 2: Remote Control Overview and Battery Installation. This video provides a general overview of the remote control unit and demonstrates how to install its batteries.
4.3 Pairing the Remote Control
To pair the remote control with the helicopter:
- Ensure both the helicopter and remote control are powered off.
- Turn on the helicopter, then place it on a flat surface.
- Turn on the remote control. The indicator light on the remote will flash.
- Move the left throttle stick (Mode 2) or right throttle stick (Mode 1) all the way up, then all the way down. The indicator light on the remote will become solid, indicating successful pairing.
Video 3: Throttle Mode Switching. This video demonstrates how to switch the remote control's throttle mode between right-hand and left-hand configurations.
5. Operating the Helicopter
The C138 Pro offers various flight modes and features for both novice and experienced pilots.
5.1 Basic Flight Controls
The remote control allows for precise manipulation of the helicopter's movement:
- Throttle Stick: Controls altitude (up/down).
- Directional Stick: Controls forward/backward, left/right movement, and rotation.

Figure 3: Multi-directional flight. This image illustrates the helicopter's ability to fly in multiple directions once the flight mode is activated.

Figure 4: Multiple flight modes. This diagram details the different flight modes available, including rising, declining, side-flying, and turning.
5.2 One-Key Takeoff and Landing
For simplified operation, especially for beginners, use the one-key takeoff/landing feature:

Figure 5: One-click takeoff/landing. This image highlights the one-click takeoff and landing feature, supported by barometric altitude hold and a brushless motor for stable operation.
5.3 Optical Flow and Altitude Hold
The intelligent positioning system, including optical flow sensors and barometer altitude hold, ensures stable hovering and easy navigation.
Video 4: C138PRO Bell 206 RC Helicopter Flight Demonstration. This video showcases the stable flight and control of the C138PRO Bell 206 RC Helicopter, demonstrating its optical flow and altitude hold features.
5.4 3D Stunt Mode
Engage the 3D stunt mode for advanced maneuvers. With 6-channel control and one-touch inverted flight, you can perform flips, rolls, and other challenging stunts.

Figure 6: One-click reverse flight mode. This image illustrates the one-click reverse flight mode, which simplifies stunt flying. Practice in open outdoor areas with wind below level 5, maintaining a takeoff point of 3 meters and a gear of 3.
Video 5: 3D Stunt Demonstration. This video showcases the RC ERA C138 Pro Bell 206 RC Helicopter performing various 3D stunts.
5.5 Speed Adjustment
The helicopter offers three adjustable speed settings (Low, Medium, High) to match your proficiency level and flying environment.

Figure 7: Three speed adjustment. This image illustrates the three speed settings (Low, Medium, High) that can be configured for the helicopter, allowing users to select a flight gear based on personal proficiency.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your helicopter.
- Cleaning: Gently wipe the helicopter with a soft, dry cloth after each use to remove dust and debris. Avoid using water or chemical cleaners.
- Blade Inspection: Regularly check the main and tail blades for any signs of damage (cracks, bends). Replace damaged blades immediately using the provided spare parts.
- Battery Care: Store batteries in a cool, dry place. Do not overcharge or over-discharge.
7. Troubleshooting
If you encounter issues with your helicopter, refer to the following common solutions:
- Helicopter not responding: Ensure both the helicopter and remote control are powered on and properly paired. Check battery levels for both devices.
- Unstable flight: Ensure the helicopter is placed on a flat surface during startup for proper gyroscope calibration. Check for damaged blades.
- Short flight time: Ensure the battery is fully charged. Battery performance may degrade over time.
8. Specifications
Detailed specifications for the C138 Pro Bell 206 RC Helicopter:
| Feature | Detail |
|---|---|
| Model | C138PRO |
| Description | 3D six-axis single-rotor RC helicopter |
| Material | PA / PC |
| Main rotor diameter | 306mm |
| Fuselage length | 312mm |
| Height | 101mm |
| Scale | 1/33 |
| Flight weight | 110g |
| Flight time | 8-10 minutes |
| Charging time | About 50 minutes |
| Remote control | 2.4G transmitter |
| Remote distance | 80-100m |
| Channels | 2 |
| Product Dimensions | 12.28 x 12.05 x 3.98 inches |
| Item Weight | 1.93 pounds |
| Manufacturer recommended age | 15 years and up |
| Manufacturer | Actualia |
9. Warranty Information
This product comes with a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the documentation provided with your purchase or contact Actualia customer support.
10. Support
For further assistance, technical support, or inquiries regarding your Actualia RC ERA C138 Pro Bell 206 RC Helicopter, please visit the official Actualia website or contact their customer service department. Contact information can typically be found on the product packaging or the brand's official online presence.