Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
airspace classification
|
| gptkbp:ATCServiceProvided |
separation for IFR traffic
sequencing for VFR traffic traffic advisories |
| gptkbp:compatibleWith |
Mode C transponder (unless above 10,000 feet or within Mode C veil)
|
| gptkbp:definedIn |
gptkb:Federal_Aviation_Administration
gptkb:International_Civil_Aviation_Organization |
| gptkbp:existsIn |
gptkb:United_States
other ICAO member countries |
| gptkbp:horizontalRadius |
typically 4 nautical miles
|
| https://www.w3.org/2000/01/rdf-schema#label |
Class D airspace
|
| gptkbp:lowerAward |
gptkb:Class_A,_B,_and_C_airspace
|
| gptkbp:mayRevertTo |
Class E or G airspace when tower is closed
|
| gptkbp:rank |
gptkb:Class_G_airspace
|
| gptkbp:requires |
ATC clearance for special VFR operations
establishing two-way communication before entry two-way radio communication |
| gptkbp:surroundedBy |
airports with operational control towers
|
| gptkbp:symbolOnChart |
dashed blue line
|
| gptkbp:usedIn |
aviation
|
| gptkbp:verticalLimit |
surface to 2,500 feet above airport elevation
|
| gptkbp:bfsParent |
gptkb:National_Airspace_System
|
| gptkbp:bfsLayer |
5
|