AccessibilityTypes
| TypeID | Description |
| 1 | Wheelchair Users |
| 2 | Visually Impaired |
Airports
| ID | Name | Location | NumberOfTerminals |
| 1 | JFK International | New York, USA | 6 |
| 2 | Heathrow Airport | London, UK | 5 |
TerminalFacilities
| FacilityID | TerminalID | FacilityName |
| (→ Airports.ID) | |
| 1 | 1 | Baggage Claim |
| 2 | 2 | Security Checkpoint A |
| 3 | 3 | Information Desk |
LoungeAreas
| LoungeID | AirportID | AreaSize |
| (→ Airports.ID) | |
| 1 | 1 | 1000.0 |
| 2 | 2 | 800.0 |
ObservationDecks
| DeckID | AirportID | ViewDescription |
| (→ Airports.ID) | |
| 1 | 1 | Runway View |
| 2 | 2 | City Skyline |
AccessibleFeatures
| FeatureID | LoungeID | ObservationDeckID | AccessTypeID |
| (→ LoungeAreas.LoungeID) | (→ ObservationDecks.DeckID) | (→ AccessibilityTypes.TypeID) |
| 1 | 1 | None | 1 |
| 2 | None | 1 | 1 |
| 3 | 2 | None | 2 |
| 4 | None | 2 | 2 |