## Navigation_Systems

SystemID | Airport | TypeOfSystem | YearInstalled | MaintenanceFrequency
--- | --- | --- | --- | ---
1 | Heathrow | VOR/DME | 2008 | Annually
2 | JFK | ILS | 2013 | Biannual

## Communication_Systems

SystemID | Airport | TypeOfSystem | FrequencyInUse | LastUpgradeYear
--- | --- | --- | --- | ---
1 | Heathrow | VHF Omnidirectional Range | 1 | 2016
2 | JFK | Distance Measuring Equipment | 0 | 2019

## Runways

ID | Airport | Length | Width | SurfaceType
--- | --- | --- | --- | ---
1 | Heathrow | 3200.0 | 45.0 | Asphalt
2 | JFK | 10000.0 | 150.0 | Concrete

## Terminals

ID | Airport | Name | NumberOfGates | ServicesOffered
--- | --- | --- | --- | ---
1 | Heathrow | Terminal 5 | 27 | Shopping, Dining, Baggage Claim
2 | JFK | Terminal 1 | 30 | Shopping, Dining, Baggage Claim