CMC Electronics CMA-5000 Integrated Avionics Computer (IAC)
Part Number: 100-602573-000
Manufacturer: CMC Electronics (Esterline)
NSN: 5895-01-528-7132 (Typical)
Technical Overview
The CMA-5000 Integrated Avionics Computer (IAC) is the central "brain" of the Cockpit 4000 architecture. It is a high-reliability, ruggedized mission computer designed to consolidate multiple federated systems—such as the Flight Management System (FMS), Head-Up Display (HUD) symbol generator, and Mission Processor—into a single, modular 5MCU chassis.
Built on an asynchronous multiprocessing architecture, the CMA-5000 provides the computational throughput required for real-time 3D graphics rendering, complex navigation algorithms (including WAAS/LPV), and multi-channel sensor fusion. It is fully compliant with ARINC 653 software partitioning, allowing safety-critical flight data and tactical mission applications to run concurrently on the same processor without risk of interference.
Advanced Engineering Specifications
| Technical Metric | Specification Data |
| Core Processor | Freescale MPC7447 PowerPC (G4) running at 1.1 GHz |
| Backplane Architecture | 6U cPCI (Compact PCI) Open Architecture |
| Throughput | 2200 MIPS / 7.7 GFLOPS |
| Primary OS | Green Hills INTEGRITY-178B (Partitioned RTOS) |
| MTBF | > 5,000 Hours (Airborne Inhabited Fighter/Trainer) |
| Memory Configuration | 512MB DDR-RAM; 256MB Flash; 512KB NVRAM; 8MB Boot Flash |
| Certification Level | DO-178B Level A (Software) and DO-254 Level A (Hardware) |
Integrated I/O Capabilities
MIL-STD-1553B: 3x Dual-Redundant channels (Bus Controller, Remote Terminal, or Monitor).
ARINC 429: 42 Input channels / 22 Output channels (High/Low speed configurable).
Video Processing: * Inputs: 4x Composite (RS-170/NTSC/PAL), 1x RGB.
Outputs: 4x RGB (Independent), 3x Composite.
Discrete I/O: 95 Programmable Inputs / 64 Outputs (Open/Ground or 28V/Open).
Serial Data: 5x RS-232; 11x RS-422 Rx; 8x RS-422 Tx; 1x RS-485.
Ethernet: 10/100 Base-T (4x External ports for high-speed data loading).
Structural & Environmental Data
Chassis Standards: ARINC 600 5MCU configuration with a Size 3 connector shell.
Thermal Management: Integrated high-reliability brushless DC fans with internal thermal sensors and auto-shutdown protection at critical thresholds.
Vibration/Shock: Qualified to RTCA/DO-160E for high-performance fixed-wing (Turbojet) and rotary-wing (Vibration Profile G) environments.
HIRF/EMI: Tested for High-Intensity Radiated Fields (HIRF) and Lightning protection per MIL-STD-461E.
Aircraft Compatibility & Systems Integration
The 100-602573-000 is a "Line Replaceable Unit" (LRU) integral to several high-profile platforms:
Pilatus PC-21: Functions as the primary HUD/MFD symbol generator and FMS host.
IOMAX Archangel: Serves as the mission and weapons management computer.
Antonov An-124-100/150: Part of the glass cockpit modernization (CMA-9000 integration).
T-6B/C Texan II: Core of the integrated glass cockpit for advanced pilot training.
Engineering Insight: Partitioning & Integrity
The CMA-5000 utilizes Time and Space Partitioning (TSP). This ensures that a software "hang" in a non-critical mission application cannot starve the CPU cycles required for the safety-critical Flight Management or Primary Flight Display (PFD) data. The computer performs continuous Built-In Test (BIT) monitoring, checking the integrity of the PCI bus, memory parity, and power supply voltages at a rate of 50Hz.
The CMC Electronics CMA-5000 (100-602573-000) is the definitive solution for airframe manufacturers and MROs seeking to consolidate cockpit systems. By integrating FMS, HUD, and video processing into a single DO-178B Level A certified unit, operators realize significant savings in weight, power, and cooling (SWaP). This IAC is designed for longevity, utilizing an open-architecture cPCI backplane that mitigates component obsolescence and facilitates future technology insertion. Whether for a clean-sheet trainer or an Antonov cargo modernization, the CMA-5000 provides the processing power and I/O density required for modern network-centric warfare and civil air traffic management.