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HONEYWELL AEROSPACE
Orion Flight Computer
Flight ComputerFault-Tolerant Flight Computer● Active
MASS
11 kg
POWER
75 W
REDUNDANCY
Dual-redundant with dissimilar backup
RAD HARDENED
Yes
FIRST USE
Dec 2014
Orion Flight Computer is a flight computer system manufactured by Honeywell Aerospace. It features dual-redundant with dissimilar backup redundancy. Radiation hardened for space environments.
ABOUT ORION FLIGHT COMPUTER
The Orion Multi-Purpose Crew Vehicle uses a Honeywell-built flight computer based on the LEON FT fault-tolerant processor. It manages all GN&C functions for deep-space missions including Artemis lunar flights. The system is designed to operate autonomously during communication blackouts beyond low Earth orbit.
OPERATING PRINCIPLE
LEON FT SPARC processor with hardware fault tolerance, VxWorks RTOS, ARINC 653 partitioning
VEHICLES USING THIS SYSTEM
Orion MPCVArtemis missions
SPECIFICATIONS
| CATEGORY | Flight Computer |
| TYPE | Fault-Tolerant Flight Computer |
| MANUFACTURER | Honeywell Aerospace |
| MASS | 11 kg |
| POWER CONSUMPTION | 75 W |
| REDUNDANCY | Dual-redundant with dissimilar backup |
| RADIATION HARDENED | Yes |
| ACCURACY | N/A |
| FIRST USE | December 5, 2014 |
| STATUS | Active |
DETAILED SPECS
| PROCESSOR | LEON FT |
| RTOS | VxWorks |
| BUS | MIL-STD-1553 + TTE |
| DEEP_SPACE | Yes |
