| Entity | Type | UHT Hex Code | Traits Summary |
| ------------------------------- | ------------ | ------------- | -------------------------------------------------------------------------- |
| Commercial Aircraft | System | `C7 D5 E2 56` | Physical, structural, multi-domain, functional, hierarchical, widely known |
| Mechanical Subsystem (Airframe) | Subsystem | `C3 D0 E0 00` | Structural, perceptible, man-made, material |
| Electrical System | Subsystem | `C6 D0 82 00` | Man-made, emits effect, processes signals |
| Flight Software System | Subsystem | `46 D2 F2 02` | Signal-processing, autonomous, rule-based, temporal |
| Communication System | Subsystem | `46 D0 F2 43` | Communicative, signal-emitting, symbolic, group-defined |
| Human-Machine Interface | Subsystem | `46 D0 F2 63` | Human-facing, communicative, symbolic, group-regulated |
| Environmental Control System | Subsystem | `C6 D0 A0 02` | Man-made, temporal, context-adaptive, emits effect |
| Cybersecurity Layer | System Layer | `46 D0 F0 24` | Regulated, logical, protective abstraction |
| Operational Logistics System | External Sys | `46 D0 F2 67` | Human-facing, hierarchical, temporal, context-sensitive |