AVM4065N-LED – Avalex Mercury Systems 6.5 Inch Multi-Function VGA AMLCD Display
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Overview Section
The Avalex Mercury Systems AVM4065N-LED is a flight-qualified, 6.5-inch diagonal Active Matrix Liquid Crystal Display (AMLCD) unit designed to serve as a high-reliability Multi-Function Display (MFD) or dedicated sensor monitor in demanding airborne environments.1 This display is engineered specifically for use in military, law enforcement, and special mission aircraft, where a compact, rugged, and high-luminance display is essential for visualizing critical mission data, sensor video, or tactical information. The unit utilizes LED backlighting for superior brightness, extended lifespan, and dimming control, making it fully compatible with Night Vision Goggle (NVG) operations while remaining sunlight-readable for high-ambient-light conditions.
The AVM4065N-LED accepts standard analog video inputs (typically VGA, NTSC/PAL) and features a robust, sealed metal enclosure, ensuring compliance with rigorous RTCA DO-160 environmental and electromagnetic interference (EMI) standards. Its compact form factor makes it an ideal drop-in replacement or upgrade for legacy monochrome or small color displays in space-constrained cockpits, providing enhanced situational awareness and mission capability through its high pixel density (VGA resolution) and wide viewing angles.
Key Features Section
Active Matrix Liquid Crystal Display (AMLCD): Utilizes thin-film transistor (TFT) technology for high-contrast, fast-response-time, and flicker-free video presentation.
LED Backlighting: Employs high-efficiency Light Emitting Diodes (LEDs) for long operational life, instant-on functionality, superior brightness uniformity, and a wide dynamic dimming range.
Night Vision Goggle (NVG) Compatibility: Specifically designed to meet MIL-STD-3009 standards for low-level radiance, ensuring safe and effective use with Generation III NVGs.
Sunlight Readability: High luminance output (often $>1000 \text{ nits}$) and anti-reflective/anti-glare treatments ensure clear visibility even in direct sunlight.
Ruggedized Enclosure: Sealed, precision-machined aluminum alloy chassis designed to resist shock, vibration, humidity, and temperature extremes per DO-160 requirements.
Multi-Input Support: Capable of accepting various video formats including VGA (640x480) resolution and standard analog video (NTSC/PAL/SECAM).
Standard Mounting: Designed for panel mounting with a standard avionics bezel size, facilitating integration into the main instrument panel.
Technical Specifications Section
Part Number: AVM4065N-LED
Model Designation: 6.5 Inch MFD VGA AMLCD Display
Component Type: Multi-Function Display (MFD) / Video Monitor
OEM Manufacturer: Avalex Technologies (part of Mercury Systems)
Screen Size: 6.5 Inches Diagonal
Resolution: VGA (640 times 480 Pixels Nominal)
Display Technology: Active Matrix Liquid Crystal Display (AMLCD)
Backlighting: LED (Light Emitting Diode)
Luminance (Max): Highly variable, typically 1000 ^2 (Nits)
NVG Compatibility: Yes, certified to MIL-STD-3009 (usually Class B or equivalent)
Input Voltage: 28 VDC Nominal (Aircraft Bus Power)
Video Inputs: Multiple, configurable (e.g., VGA, Composite Video)
Housing Material: Machined Aluminum Alloy (likely 6061-T6)
Operating Temperature: Wide operational range (e.g. 40^ to + 70^C, DO-160 tested.
Governing Specifications: Compliant with RTCA DO-160 (Environmental) and MIL-STD-3009 (NVG).
Aircraft Compatibility Section
Military/Tactical: Helicopters (e.g., AH-64, Blackhawk derivatives), Fixed-wing Surveillance, and Trainer Aircraft.
Law Enforcement/ISR: Aerial observation platforms utilizing FLIR/EO-IR sensor gimbals and sophisticated mapping/mission systems.
Special Mission Aircraft: Custom platforms requiring ruggedized crew displays for sensor data interpretation.
Note: Compatibility is confirmed via the Aircraft Installation Drawing and the Supplemental Type Certificate (STC) or military airworthiness release which governs the specific panel cutout and electrical interface.
Applications Section
Sensor Video Monitoring: Primary display for live imagery from FLIR/EO-IR turrets, cameras, and daylight sensors.
Tactical Situational Awareness: Displaying digital moving maps, geo-referenced target data, and mission flight plans.
Multi-Function Display (MFD): Serving as a secondary display for Electronic Flight Instrument System (EFIS) data, engine instrumentation, or systems status.
Digital Video Recording (DVR) Playback: Used for reviewing recorded mission data in flight.
Why Choose the AVM4065N-LED?
The AVM4065N-LED is specifically designed to address the most critical issue in airborne displays: optical performance and reliability across the full spectrum of operational lighting and environment. Commercial-grade displays cannot handle the extreme thermal cycling, vibration, or the precise light-output filtering required for NVG compatibility. This unit’s DO-160 and MIL-STD-3009 compliance guarantees that the high-resolution image remains clear, artifact-free, and safe for night vision use, minimizing pilot fatigue and maximizing tactical effectiveness. The durable, sealed construction ensures the display electronics and optics are protected from cockpit condensation and dust ingress, providing a high Mean Time Between Failure (MTBF) crucial for mission availability.
The optical performance of the AVM4065N-LED is primarily driven by the interaction between the LED backlight spectrum and the liquid crystal array. To achieve sunlight readability, a very high-lumen output is required. Conversely, to achieve MIL-STD-3009 NVG compatibility, the display must filter out virtually all energy in the near-infrared (NIR) spectrum (specifically 650 nm) that would saturate the image intensifier tubes of the pilot's goggles. This is achieved by precise control over the LED peak wavelength and the use of a dichroic filter stack applied to the display assembly. This selective filtering ensures the light visible to the human eye remains adequate for daytime use, while the invisible light that impairs NVG vision is attenuated to compliant levels, thereby enabling covert operations without compromising display visibility.
Note: The AVM4065N-LED is a flight-critical component providing essential sensor and navigation data. It is not a life-limited part. Electrical installation, mounting torque, and all signal conditioning (e.g., proper VGA termination and grounding) must be performed by a certified avionics technician in strict accordance with the Avalex Installation Manual and the aircraft’s relevant maintenance and airworthiness documentation.
Documentation
Avalex AVM4065N-LED Product Specification Sheet: Essential for confirming specific video input timing and power consumption.
RTCA DO-160: Referenced Standard for Environmental Testing.
MIL-STD-3009: Standard defining the characteristics for NVG compatible lighting and displays.