The SJU CERAP has a variety of Airspace Classes:

Class A: All operations must be conducted under Instrument Flight Rules (IFR) or Special visual flight rules (SVFR) and are subject to ATC clearance. All flights are separated from each other by ATC.

Class B: Operations may be conducted under IFR, SVFR, or Visual flight rules (VFR). All aircraft are subject to ATC clearance. All flights are separated from each other by ATC.

Class C: Operations may be conducted under IFR, SVFR, or VFR. All flights are subject to ATC clearance. Aircraft operating under IFR and SVFR are separated from each other and from flights operating under VFR. Flights operating under VFR are given traffic information in respect of other VFR flights.

Class D: Operations may be conducted under IFR, SVFR, or VFR. All flights are subject to ATC clearance. Aircraft operating under IFR and SVFR are separated from each other, and are given traffic information in respect of VFR flights. Flights operating under VFR are given traffic information in respect of all other flights.

Class E: Operations may be conducted under IFR, SVFR, or VFR. Aircraft operating under IFR and SVFR are separated from each other, and are subject to ATC clearance. Flights under VFR are not subject to ATC clearance. As far as is practical, traffic information is given to all flights in respect of VFR flights.

Class G: Operations may be conducted under IFR or VFR. ATC separation is not provided. Traffic Information may be given as far as is practical in respect of other flights.

Class C Airports:

TJSJ (SJU) -          Luis Muñoz Marin International

TNCM (SXM) -       Princess Juliana International Airport

TIST (STT) - Cyril E. King International Airport

Class D Airports:

TJBQ (BQN) -       Rafael Hernandez Airport

TJIG (SIG) -           Fernando Luis Ribas Dominicci Airport

TISX (STX) -         Henry E Rohlsen Airport

TUPJ (EIS) -         Terrance B Lettsome International

TQPF (AXA) -       Wallblake Airport

Class E Airports:

TJMZ (MAZ) -     Eugenio Maria de Hostos Airport

TJPS (PSE) -      Mercedita Airport

TFFG (CCE) -      Grand Case Airport

TFFJ (SBH) -      St Barthelemy I Airport

Class G Airports:

ABO -                 Antonio/Nery/Juarbe Pol Airport

X63 -                  Humacao Airport

TJFA  (FJA) -     Diejo Jimenez Torres Airport

TJRV -               Jose Aponte de la Torre Airport

TJCP (CPX) -   Benjamin Rivera Noriega Airport

TJVQ (VQS) -  Antonio Rivera Rodriguez Airport

TUPA (NGD) -  Anegada Airport

TNCS -             Juancho Yrausquin Airport

TNCE -             F. D. Roosvelt Airport