1. Introduction
Thank you for purchasing the OYDL YU Xiang F11-S AH64 RC Helicopter. This 1/32 scale remote control military aircraft is designed for enthusiasts aged 16 and above, offering advanced flight capabilities and realistic details. This manual provides essential information for safe assembly, operation, maintenance, and troubleshooting to ensure an optimal experience.
2. Safety Precautions
Operating an RC helicopter requires caution. Please read and understand all safety instructions before use to prevent injury or damage.
- Age Recommendation: This product is recommended for users aged 16 and above. Adult supervision is advised for younger users.
- Flight Environment: Fly in open, clear areas away from people, animals, buildings, and power lines. Avoid flying in strong winds or adverse weather conditions.
- Battery Safety: Use only the provided charger and battery. Do not overcharge or puncture batteries. Discontinue use if batteries show signs of damage or swelling.
- Propeller Safety: Keep hands, face, and loose clothing away from rotating propellers. Always disconnect the battery when not in use or during maintenance.
- Water Exposure: Avoid contact with water or moisture, as this can damage electronic components.
- Maintenance: Regularly inspect the helicopter for damage. Do not operate if any parts are broken or loose.
3. Package Contents
Verify that all items listed below are included in your package:
- Aircraft (F11-S AH64 RC Helicopter)
- Remote Controller (2.4G/eight-channel)
- Smart Battery (3S 11.1V 1800mAh 30C LIPO) - 3PCS
- Special Charger
- Main Rotor Blades (4 pieces)
- Tail Rotor Blade (1 piece)
- User Manual

4. Product Overview
The F11-S AH64 is a highly detailed 1:32 scale replica of the Boeing AH-64 Apache Longbow, equipped with advanced flight technology for a stable and realistic flying experience.
Key Features:
- Realistic Design: Scaled 1:32 AH-64 Apache Longbow with realistic details, lighting effects, and shock-absorbing landing gear.
- GPS Intelligent Flight Control System: Features GPS, compass, downward optical flow, and barometric altitude hold modules. Supports GPS stabilization, optical flow flight, and manual stabilization modes.
- Stable Flight: No aileron design, dual-axis co-axial motors, and an electronic stabilization system ensure precise control and stable flight.
- High-Performance Battery: 11.1V 1800mAh 30C Li-Po battery provides 10-12 minutes of flight time with over 500 charge cycles. Includes overcharge, over-discharge, and low battery indicators.
- Brushless Motors: Equipped with a 4306 540KV main brushless motor and a 1204 5500KV tail brushless motor for low noise, high torque, strong power, and stable tail locking.

5. Setup
5.1 Battery Charging
- Connect the special charger to a power source.
- Connect the 3S 11.1V 1800mAh Li-Po battery to the charger.
- Allow approximately 90 minutes for a full charge. The charger indicator will change when charging is complete.
- Caution: Never leave charging batteries unattended.
5.2 Battery Installation
- Ensure the helicopter's power switch is in the OFF position.
- Carefully open the battery compartment on the helicopter.
- Insert the fully charged battery, ensuring correct polarity.
- Securely close the battery compartment.
5.3 Remote Controller Setup
- Install appropriate batteries (not included) into the remote controller.
- Turn on the remote controller.
- Familiarize yourself with the controls (refer to the remote controller diagram in the manual).
6. Operating Instructions
6.1 Binding the Helicopter and Remote Controller
- Ensure both the helicopter and remote controller are powered off.
- Turn on the remote controller.
- Power on the helicopter. The indicator lights on both devices will flash, indicating they are searching for a signal.
- Move the throttle stick (left stick) to the lowest position, then quickly push it to the highest position, and then back to the lowest position.
- The indicator lights will become solid, indicating successful binding.
6.2 Pre-Flight Checks
- Check battery levels of both helicopter and remote controller.
- Inspect propellers for any damage or looseness.
- Ensure the flight area is clear and safe.
6.3 Basic Flight Controls
| Control | Function |
|---|---|
| Left Stick (Throttle/Rudder) | Up/Down: Increase/Decrease altitude (Throttle) Left/Right: Rotate helicopter left/right (Rudder) |
| Right Stick (Aileron/Elevator) | Up/Down: Move helicopter forward/backward (Elevator) Left/Right: Move helicopter left/right (Aileron) |
| One-Key Takeoff/Landing Button | Initiates automatic takeoff or landing. |
6.4 Flight Modes and Intelligent Features
The F11-S AH64 offers multiple flight modes and intelligent features for enhanced control and safety:
- GPS Stabilization Mode: Utilizes GPS for precise positioning and stable hovering.
- Optical Flow Flight Mode: Uses downward optical flow for stable flight in environments where GPS signal may be weak.
- Manual Stabilization Mode: For experienced pilots who prefer full manual control.
- One-Key Return: Automatically brings the helicopter back to its takeoff point.
- Low Battery Return: Helicopter automatically returns when battery is low.
- Fail-Safe Return: Returns to takeoff point if signal is lost.
- Electronic Fence: Sets a virtual boundary to prevent the helicopter from flying too far.
- One-Key Figure-Eight Flight: Performs an automatic figure-eight flight pattern.
- One-Key Circular Flight: Performs an automatic circular flight pattern around a designated point.





7. Maintenance
Regular maintenance ensures the longevity and performance of your RC helicopter.
- Cleaning: Use a soft, dry cloth to clean the helicopter after each flight. Avoid using solvents or harsh chemicals.
- Propeller Inspection: Check main and tail rotor blades for cracks, bends, or damage before and after each flight. Replace damaged blades immediately.
- Motor Care: Keep motors free from dust and debris. The brushless motors are designed for durability, but excessive dirt can affect performance.
- Battery Storage: Store batteries in a cool, dry place, away from direct sunlight and extreme temperatures. Do not store fully charged or completely depleted batteries for extended periods.
- Screw Tightness: Periodically check all screws and fasteners to ensure they are secure.
8. Troubleshooting
Refer to the table below for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Helicopter does not respond to remote. | Not bound; low battery; remote off. | Re-bind the helicopter; charge/replace batteries; turn on remote. |
| Helicopter flies erratically or unstable. | Damaged propellers; calibration needed; strong wind. | Replace propellers; perform calibration; fly in calm conditions. |
| Short flight time. | Battery not fully charged; aging battery. | Ensure full charge; consider replacing battery if old. |
| GPS features not working. | Poor GPS signal; indoor flight. | Fly in open outdoor areas with clear sky view. |
| Motors not spinning. | Battery not connected; motor damage. | Check battery connection; contact support if motor is damaged. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | YXZNRC F11-S AH64 (RTF GPS Smart Version) |
| Scale | 1/32 |
| Material | High-strength composite engineering material |
| Rotor Diameter | 455mm |
| Body Length | 485mm |
| Height | 155mm |
| Unit Weight | 558g |
| Drive Motor | 4306 560KV brushless motor |
| Tail Lock Motor | 1204 5200KV brushless motor |
| Remote Control | 2.4G/eight-channel remote control |
| Remote Control Distance | More than 300 meters |
| Body Battery | 3S 11.1V 1800mAh 30C smart LIPO battery |
| Charging Time | Approximately 90 minutes |
| Use Time | 10-12 minutes |
| Recommended Age | 16+ |
| Product Dimensions | 48.5 x 45.5 x 15.5 cm (19.09 x 17.91 x 6.1 inches) |
| Item Weight | 2000g (4.41 pounds) |
10. Warranty and Support
For warranty information, technical support, or replacement parts, please contact OYDL customer service. Keep your purchase receipt as proof of purchase.
You can visit the official OYDL store for more information: OYDL Store on Amazon