BELL 505 Mechanic's Guide
  • Welcome!
  • 🚁System Descriptions
    • Introduction
    • Airframe Systems
      • Dimensions and Areas
      • Fuselage
        • Forward Fuselage
        • Mid Fuselage
        • Aft Fuselage
        • Roof
        • Tailboom
      • Stabilizers
      • Landing Gear
      • Equipment/Furnishings
      • Fire Protection (Fire Extinguishing)
      • Doors
      • Windows
      • Environmental Control
        • Distribution
        • Avionics Fans
        • Heating
      • Ice and rain protection (Air intakes)
    • Integrated Avionics Systems
      • Systems Integration and Display
      • Indicating/Recording Systems
        • Instruments and Control Panels
        • General Computers
        • Central Warning System
        • Central Display System
      • Communications
      • Navigation
        • Dependent Position Determining
    • Main Rotor
      • Main Rotor Hub and Blade Assembly
      • Rotating Controls
      • Main Rotor Indicating
    • Main Rotor Drive
      • Engine/Gearbox Couplings
      • Mast Assembly
      • Transmission Assembly
      • Transmission Oil
      • Mounts and Attachments
      • Main Rotor Drive Indicating
    • Tail Rotor
      • Tail Rotor Hub and Blade Assembly
      • Rotating Controls
    • Tail Rotor Drive
      • Shafts
      • Gearbox
      • Tail Rotor Drive Indicating
    • Flight Control Systems
      • Rotor Flight Controls
        • Dual Controls Kit
        • Collective Control System
        • Cyclic Control System
        • Anti-torque Control System
        • Servo-Control System
      • Hydraulic Power
    • Fuel
      • Storage
      • Distribution
      • Fuel Indicating
    • Power Plant Systems
      • Power Plant
      • Air
      • Exhaust
      • Oil
      • Engine Control
      • Ignition
    • Electrical Systems
      • Electrical Power
        • DC Generation
        • External Power
        • DC Electrical Load Distribution
        • Multipurpose Equipment
      • Lights
  • 🪛Line Maintenance
    • Overview of Line Maintenance
    • Servicing
      • Replenishing and Depleting
        • Filling the hydraulic system with fluid
        • Draining fluid from the hydraulic system
      • Lubrication
        • Lubricating the main rotor grips
        • Lubricating the trunnion bearings
        • Lubricating the pillow block assemblies
        • Lubricating the duplex bearing
        • Lubricating the needle bearings
        • Lubricating the pitch change mechanism
        • Lubricating the crew seat positioning mechanism
      • Clean and Surface Protection
        • Rotor blade - Erosion tape replacement
        • Flushing the hydraulic system
      • Inspection
        • 50 flight hours/1 year inspection
        • 100 flight hours inspection
        • 100 flight hours/6 months inspection
        • 100 flight hours/1 year inspection
        • 100 flight hours/18 months inspection
        • 150 flight hours inspection
        • 200 flight hours inspection
        • 300 flight hours inspection
    • Test and Checks
      • Power Assurance Check (PAC)
      • Checking the fluid level of the hydraulic system
      • Flame Out Protection System (FOPS) test
      • Testing the operation of the hydraulic system
      • Testing operation of audio integration system
      • Testing operation of speech communication
      • Testing operation of central warning systems
    • Fault Isolation
      • Crew Alerting System (CAS) Messages
        • WARNING Messages
          • BATTERY HOT
        • CAUTION Messages
        • ADVISORY Messages
        • STATUS Messages
      • System Failures
    • Removal/Installation
      • Electrical Power
        • Installing the ground power unit (GPU)
        • Removing the ground power unit (GPU)
      • Equipment/Furnishings
        • Removing the crew seats
        • Installing the crew seats
      • Hydraulic Power
        • Installing the hydraulic power unit
        • Removing the hydraulic power unit
        • Replacing the HRFM filter element
        • Restoring/replacing the hydraulic pressure filter element
        • Removing the hydraulic pump
        • Removing the pump adapter assembly
        • Installing the pump adapter assembly
        • Installing the hydraulic pump
      • Main Rotor
        • Removing the NR sensor
        • Installing the NR sensor
    • Standard Repairs
      • Main Driveshaft
      • Air Intake
  • 🔧Base Maintenance
    • Overview of Base Maintenance
    • Servicing
      • Adjust, align and calibrate
      • Inspection
    • Function Test
    • Fault Isolation
    • Removal/Installation
    • Major Repairs
  • 🧰Component Interim Maintenance
    • Overview of Component Interim Maintenance
    • Time Limits
    • Component Interim Inspections
  • ⚙️Component Restoration (Overhaul)
    • General Information
    • Main Rotor Hub Assembly
      • Dimensions and Areas
      • Maintenance Planning Information
      • Tools and Workaids
      • Disassembly
      • Cleaning and Paint Removal
      • Inspections
        • Conditional Inspection
        • Non-Destructive Inspections
      • Repair
      • Finishing
      • Assembly
    • Swashplate and Support Assembly
    • Mast Assembly
    • Transmission Assembly
    • Freewheel Assembly
    • Tail Rotor Hub Assembly
    • Tail Rotor Gearbox
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On this page
  • Nose cone
  • Forward belly panel
  • Left cockpit floor
  • Right cockpit floor
  • Center cockpit floor
  • Cabin floor
  1. System Descriptions
  2. Airframe Systems
  3. Fuselage

Forward Fuselage

PreviousFuselageNextMid Fuselage

Last updated 1 year ago

The forward fuselage consists of the structural elements from the nose cone to the bulkhead behind the cabin. It provides a weather tight area for operators and passengers, a strong, light, and streamlined structure, practical access doors with a large, unobstructed floor, and large windshields and windows for superior visibility. The forward fuselage has the access panels that follow:

The forward fuselage is a composite and aluminum assembly. Its principal function is the flight compartment with room for a maximum of five occupants: one or two crews and three or four passengers. Its floor is flat and supported by the keel beams and the webs attached to them. The crew doors, clamshell door, windshields, and a window are attached to it to make the cockpit and the cabin a weather tight area. The forward fairing above the cockpit serves as a mount for the GPS/VHF antenna and to streamline the roof panels. The descriptions of the access panels follow.

Nose cone

The nose cone is a composite assembly. It houses the landing and taxi lights and has the fresh air intake duct. It provides a weather tight area for the Air Data Computer (ADC) and its air hoses and wiring. It is located at the forward-bottom end of the forward fuselage.

Forward belly panel

The forward belly panel is a composite panel. It protects the flight control components, tubing, and wiring under the cockpit floor from the elements. It provides the aerodynamic shape and the structural integrity of the forward fuselage. It is located under the forward part of the forward fuselage.

Left cockpit floor

The left cockpit floor is a composite panel assembly. It has an opening for the copilot collective stick. It is located on the left side of the cockpit.

Right cockpit floor

The right cockpit floor is a composite panel assembly. It is located on the right side of the cockpit.

Center cockpit floor

The center cockpit floor is a composite panel assembly. It has an opening for the pilot collective stick. It is located in the center of the cockpit between the pilot and the copilot seats.

Cabin floor

The cabin floor is a composite panel assembly with anchor plates mounted on it. It is located in the cabin.

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Nose cone
Forward belly panel
Left cockpit floor
Right cockpit floor
Center cockpit floor
Cabin floor