NATIONAL PROCEDURES
GENERAL INFORMATION/FIR/UIR COVERAGE -This entry is inclusive within the Central American FIR/UIR.
DIMENSIONAL UNITS - ICAO Table except:
1. Air Traffic Control and MET provide altitudes, elevations, and heights in feet on request.
2. Air Traffic Control provides vertical speed in feet per minute on request.
ALTIMETER SETTING PROCEDURES - Standard
except:
1.
Air Traffic Control will not assign FL200 to any aircraft when
QNH pressure is less than 29.92”. (SPEC/ENR 1.7-1)
2.
Costa Rica altimeter setting - Hectopascal unit of
measurement. (SPEC/GEN 2.1-1)
VERTICAL SEPARATION - Semi-circular.
1. According to agreement between Havana ACC (MUHA) and Central America ACC (MHTG) on route UG439, traffic should use the following:
a. Central America heading to Havana use FL200, 220, 240, 260, 280, 310, 350, 390, etc.
b. Havana heading to Central America use FL190, 210, 230,
250, 270, 290, 330, 370, etc. (SPEC/ENR 1.7-5)
POSITION REPORTING - Standard except:
1. CODES FOR SECONDARY RADAR (SSR) -
a. The following codes assigned by ICAO internationally will be applicable in the following cases:
Emergency Traffic. . . . . . . . . . . . . . . . . . . . . . .Code 7700 Traffic with communication failure . . . . . . . . . . Code 7600 Traffic with illicit interference. . . . . . . . . . . . . . Code 7500
b. (SSR) Codes are assigned for Air Traffic Control services in Juan Santamaria International Airport (MROC):
IFR TRANSIT Code 0400 Within 60 NM VFR TRANSIT Code 1200 Within 60 NM
c. The aircraft wishing advisory service and RADAR CONTROL, should count with responder equipment (SSR TRANSPONDER) on board.
(AFFSA/AFFSA)
VISUAL FLIGHT RULES
Standard except:
1.
Central America has implemented the ICAO ANNEX 11 airspace classification as follows: FIR - Class F
2.
VFR operations in El Coco TCA and CTLZ not authorized
when ceiling is below 2000’ and visibility is less than 5 SM. (SPEC/ENR 1.2-1)
INSTRUMENT FLIGHT RULES
Standard except:
1. Central America has implemented the ICAO ANNEX 11
airspace classifications as follows: FIR - Class F UIR - Class A (SPEC/ENR 1.4-1)
RVSM RULES -Standard.
(AFFSA/AFFSA FIL 04-657)
FLIGHT PLANNING
ROUTE AND AREA RESTRICTIONS -
1.
All aircraft operating in areas where Air Traffic Control services are not available must transmit in blind on 123.0 for enroute and position reports.
(SPEC/CL I NOTAM C029)
2.
When landing at fields where no Air Traffic Control facilities exist, pilots shall first make a low pass over the runway before landing.
(SPEC/CL II NOTAM A004)
3.
Every aircraft which intends to perform flights across the international borders, whether on entrance or on departure, in visual conditions (VFR) or in instrument conditions (IFR), should present obligatory a Flight Plan and include alternate airports. For the effect it is informed that the unique airport within domestic territory which can be used as alternate are the following:
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