🚀 Aerospace & Space · Database ERD
Aircraft MRO Parts and Maintenance Schema
A schema for aircraft maintenance: aircraft, installed components with life limits, maintenance tasks, work packages and parts inventory.
Drawing diagram…
What this diagram shows
- Components are tracked by serial number and hours or cycles
- Life-limited parts must be replaced before their limit
- Work packages group tasks for a check (A-check, C-check)
Prompt used
ERD for aircraft MRO: Aircraft has Installations of Components (by part and serial number) at positions; Component tracks hours, cycles and life limits; MaintenanceProgram defines Tasks with intervals; WorkPackage groups TaskCards for a check on an Aircraft; PartStock holds spare parts by location; PartIssue links parts issued to task cards.
Mermaid code
erDiagram
AIRCRAFT ||--o{ INSTALLATION : carries
COMPONENT ||--o{ INSTALLATION : "installed as"
MAINTENANCE_PROGRAM ||--|{ TASK : defines
AIRCRAFT ||--o{ WORK_PACKAGE : receives
WORK_PACKAGE ||--|{ TASK_CARD : contains
TASK ||--o{ TASK_CARD : "performed as"
PART_STOCK ||--o{ PART_ISSUE : supplies
TASK_CARD ||--o{ PART_ISSUE : consumes
AIRCRAFT {
string registration PK
string type
int total_hours
int total_cycles
}
COMPONENT {
string serial_no PK
string part_no
int hours_since_new
int life_limit_cycles
}
TASK_CARD {
int id PK
int package_id FK
int task_id FK
string status
string signed_by
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