Maintenance
As a group of professionals well-versed in helicopters,
we guarantee you safe and reliable services.
Rotorcraft Repair Business
Permit No. 68
Certified BK117 maintenance and operation center
Certification No. 093
Supporting Safe Operations with reliable maintenance skills
for BK117 Series Helicopters
Central Helicopter Service commenced its maintenance service for BK117 series helicopters in 1992. Since then, we have consistently provided these services. We maintain, repair and modify approximately forty BK117 series helicopters per year. We also sell aircraft parts and other related products to our customers. As specialists in BK117 series helicopters, we will continue to strive to ensure customer satisfaction through safe and reliable service.
BK117 Maintenance Center
Certified by Kawasaki Heavy Industries
We offer MRO and modification services specialized in BK117 series helicopters as the only Maintenance Center for model BK117 helicopters that is specially authorized by Kawasaki in Japan.
Ex) BK117C-2, H145/BK117D-3
Inspection and Maintenance
We will guide you through the inspection and maintenance process for airworthiness inspections.
Maintenance
As a Kawasaki-authorized maintenance center, we have in-depth knowledge of the characteristics of the BK117 series helicopter. Leveraging our extensive experience and expertise, we inspect aircrafts during maintenance and post-maintenance to verify compliance with standards (issue an Authorized Release Certificate).
Pre-completion inspection work
MR head removal work
Radio equipment removal work
Engine inspection work
Flight control rod installation work
Measuring engine oil press
TR dynamic balance adjustment work
Ground run
Ground run instrument check work
Being one of JCAB* approved organizations, we inspect the aircraft on behalf of the JCAB. We will put the finishing touches on the aircraft, and make sure we deliver the aircraft to our customers in absolutely perfect condition.
*Japan Civil Aviation Bureau
Repair and Modification
Verify Requirements
We listen to customer needs and advise them about repair and modification. Subsequently, we design and manufacture the parts and develop the equipment.
| Adjust specifications | Adjust repair and modification content of the aircraft with customers |
|---|---|
| Design | Conduct conceptual and in-depth studies and create designs |
| Create work instruction documents | Develop comprehensive repair and modification instructions |
| Parts manufacturing | Manufacture parts for repair and modification |
Repair and Modification
In our hangar, we handle every process from design, installation and testing, to inspection.
| Disassembly and modification | Detachment of equipment, sheet metal work, painting and electrical wiring, etc. |
|---|---|
| Testing and inspection | Ground tests and flight tests to check functions and electromagnetic interference |
We have extensive experience and skills in repair or modification. Even in large-scale work, we are able to provide high-quality services that do not affect airworthiness and adapt to the JCAB standards.
and Sale of Equipment
At Central Helicopter Service, we develop (design and manufacture) equipment (including installation methods) based on market research to meet customer needs. We have obtained numerous Supplemental Type Certificates (STC) and offer equipment kits and installation services (repair and modification).
Examples
Equipment Installation
Track Record
Central Helicopter Service excels in modifying helicopters to install equipment. By installing STC-acquired equipment on the same type of aircraft, it is possible to streamline processes and reduce development costs. Below are some examples.
External Camera
This camera can capture angles which are difficult to see from the ground, making it suitable for news reporting, rescue and search operations, surveillance, etc. (the photo shows the camera equipped with a multipurpose step)
ELECTRO-OPTICAL SYSTEM
Camera Mount STC*
A device for mounting an external camera. There are two installation formats, one that is installed on the nose and another one installed at the tip of the multipurpose step.*The one installed on the nose is STC*
ELECTRO-OPTICAL SYSTEM
Deployable Airborne Tracking Antennas
This antenna is vertically adjustable. It is used to transmit camera footage to the ground. Extending the antenna below the skids optimizes communication quality and range.
ELECTRO-OPTICAL SYSTEM
Pilot Monitor
A monitor mounted outside the instrument panel that displays camera footage and the current location.
Map information display device and ELECTRO-OPTICAL SYSTEM
Touch Panel Display
A monitor mounted on the top of the multipurpose frame beam structure in the front of the cabin that displays the current location. Uses a touchscreen panel.
Map information display device
Controller (Radio)
Radio device for rescue and firefighting operations.
Wireless firefighting/disaster prevention device
Fire Extinguishing Tank Device STC
A fire extinguishing water tank capable of releasing up to approximately 980 liters of water from above a fire, with additional water supply through a hose.
Fire extinguishing tank device
Telephone Adapter STC
This device is mounted on the center console or cabin ceiling; it is capable of conducting satellite phone calls and volume adjustment.
Satellite phone device
Bar Grip STC
This device is mounted on the cabin sidewall. It is used for hanging safety belts and maintaining proper posture.
Bar grip
In-house Design
Operator Rack
A cabin-mounted rack equipped with monitors, controllers, and other devices for operating and checking systems.
Operator Workstation for EOS
Equipment Storage Rack
A cabin-mounted rack equipped with devices for recording and system data processing.
Operator Workstation for EOS
Sensor Pod STC*
A device mounted behind the step to monitor surroundings with LiDAR and cameras.
*Planned sales of parts developed in collaboration with Kawasaki Heavy Industries only
Helicopter obstacle detection system
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