Aircraft Landing Light Brackets

Aircraft landing light brackets endure complex mechanical loads throughout taxi, takeoff, landing, and turbulent flight. To ensure structural integrity, they are engineered for optimized load path distribution, promoting uniform stress transfer into the airframe.

Material Specification

Aluminum 6061-T6 (AMS 4025), Stainless Steel 316L (AMS 5524), Titanium 3Al-2.5V (AMS 4916)

Light Compatibility

PAR-36/46/64, LED Arrays (Hella/GE/Photon), Sealed Beam (TSO-C96)

Mounting Points

3-5 Bolt Pattern (NAS/MS), PCD 80-200mm, Flush/Raised Mount Options

Load Capacity

Static – 500N, Dynamic – 16g Crash Load (FAR 25.561), Shear – 300N

Vibration Control

Isolation Pads (30-50 Shore A), Tuned Mass Dampers, Natural Frequency >200Hz

Product Description

Bracket geometries are refined using iterative finite element analysis (FEA) to identify and minimize peak stress concentrations and potential crack initiation points. This approach enhances fatigue resistance under multiaxial loading, aligning with the rigorous duty cycles of both narrow- and wide-body aircraft platforms.

Aerodynamic Profile

NACA 0006-0012 Streamlined, Flush-Mount Tolerances – ±0.5mm

Temperature Range

-65°F to +250°F (Standard), -100°F to +400°F (De-Icing Zones)

Corrosion Protection

Anodized (Al), Passivated (SS), Ceramic Coated (Ti), Salt Spray 1000hrs (ASTM B117)

Dimensional Tolerances

Hole Position – ±0.1mm, Angular Alignment – ±0.5°, Surface Flatness – 0.05mm/m

Certification Standards

FAR 25.1381, TSO-C96, AS9100, MIL-STD-810G (Vibration)

Technical Advantages

High-frequency fuselage vibrations pose a risk to lighting system longevity and optical alignment. Aircraft landing light brackets incorporate mass damping features and isolated mounting flanges to disrupt resonant frequencies between the airframe and the lighting unit. This design mitigates the amplification of vibrational modes and maintains the positional stability of beam projection, preserving photometric performance over prolonged operating intervals.

High-intensity discharge and LED-based landing lights generate substantial thermal gradients at the bracket interface. Material selection for the aircraft landing light brackets emphasizes matched coefficients of thermal expansion (CTE) with both the airframe and the luminaire housing to suppress thermal shear. The interface is further engineered with compliant features or expansion joints that accommodate localized strain without compromising mechanical fixation or inducing torsional stress on mounting hardware.

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Industry Applications

Commercial Jet Nose Gear Illumination Mounts

Supports high-intensity lighting modules on nose gear struts, ensuring beam stability during taxi, takeoff, and landing operations.

Military Aircraft Forward Lighting Assemblies

Provides structural interface for mission-critical forward lighting systems operating under high-G, vibration, and variable thermal load environments.

Regional Turboprop Wing-Mounted Light Fixtures

Secures light enclosures on turboprop wing undersides, accommodating airflow-induced vibration and differential thermal expansion during flight cycles.

Unmanned Aerial Vehicle (UAV) Utility Lighting Brackets

Integrates modular lighting systems into UAV fuselages with minimal mass impact, optimized for dynamic flexing and payload constraints.

Rotorcraft Landing Light Integration Modules

Supports adjustable lighting systems on helicopter fuselage or skid structures, tolerating high vibration and unsteady aerodynamic forces.

Cargo Aircraft Undercarriage Lighting Brackets

Enables wide-angle light alignment under rugged cargo bay conditions, ensuring bracket stiffness under frequent load/unload operations.

Corrosion Resistance for Prolonged Environmental Exposure

Aircraft Landing Light Brackets are routinely exposed to saline atmospheres, hydraulic aerosols, and combustion byproducts. Surface treatments such as Type II anodization or MIL-DTL-5541 Class 3 chemical conversion coatings are applied to resist galvanic action and localized pitting.

Mounting provisions follow standard aerospace hole patterns and interface control documents (ICDs), supporting drop-in compatibility across multiple aircraft platforms without necessitating structural rework. Each aircraft landing light brackets is manufactured to tight positional tolerances using 5-axis CNC machining, ensuring consistent mating with nacelle or fuselage cutouts.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure dimensional accuracy in complex geometries of cabin pressure bulkhead frames?

Frigate uses 5-axis CNC machining with adaptive toolpath control to achieve tight tolerances across curved and multi-plane features. Precision fixturing ensures repeatable alignment during multi-pass operations. Critical sealing surfaces are verified using CMM inspection with sub-50 micron resolution. This ensures proper interface with pressure seals and fuselage skin joints.

What methods does Frigate use to validate fatigue life under repeated pressurization cycles?

Frigate performs spectrum fatigue simulations based on FAR 25.365 load cases using validated FEA models. Representative coupon tests are conducted under high-cycle pressure pulsation to calibrate material behavior. Full-frame test assemblies undergo strain gauging during hydraulic pressurization trials. These steps confirm structural performance across the expected service life envelope.

How are thermal mismatches handled in Frigate’s multi-material bulkhead frame assemblies?

Frigate designs interfaces using matched coefficient-of-expansion (CTE) materials or compliant joint designs to suppress thermally induced shear stresses. Dissimilar metal joints are isolated using bonded interfaces or bushings to prevent galvanic coupling. Frame sections near heat sources are tested under elevated thermal gradients. Thermal distortion is evaluated through digital image correlation during qualification.

What corrosion prevention strategies are implemented by Frigate for marine and high-humidity operations?

Frigate applies MIL-DTL-5541 Class 1A conversion coatings on aluminum structures for corrosion resistance and primer adhesion. For titanium components, passivation and selective shot peening reduce pitting susceptibility. Surface finishes are qualified through salt spray testing per ASTM B117. Assembly fasteners are selected to match electrochemical compatibility with surrounding materials.

How does Frigate manage sealing integrity between the bulkhead frame and fuselage pressure shell?

Frigate machines sealing flanges to tight flatness tolerances, typically within 0.05 mm, ensuring uniform gasket compression. Elastomeric seals are selected based on altitude-pressure profiles and long-term compression set performance. Adhesive sealants undergo shear and peel testing under thermal cycling. Final assemblies are helium leak tested to verify air-tight performance.

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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