Airports / Dominican Republic / MDSI
San Isidro Air Base
MDSISan Isidro, Dominican RepublicELEV 111 FT
Field elevation
Nearest alternate
Field standing
7 nm
To the nearest alternate
Las Américas International Airport (SDQ) — 4 fields within 50 nm.
Overview
San Isidro Air Base, listed as MDSI, is a mid-sized airport in San Isidro, Dominican Republic. The field lies at an elevation of 111 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
MDSI has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Las Américas International Airport (SDQ, 7 nm), La Isabela International Airport (JBQ, 13 nm), and Samaná El Catey International Airport (AZS, 46 nm).
Quotes for flights out of MDSI vary with aircraft type, repositioning, and schedule flexibility. The airport is also known as Base Aérea de San Isidro and Base Aérea Trujillo. Use the cost estimator to model a trip from MDSI, or browse verified operators serving the area.
Field capability
ICAO
MDSI
IATA
—
FAA / Local
MDSI
Elevation
111 ft
Coordinates
18.5037° N · 69.7617° W
Airspace
G · GolfClass G — GolfUncontrolled field — no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs Dominican Republic fields
state range 10–565 ft
At 111 ft, MDSI sits higher than 60% of the 10 Dominican Republic fields on the register.
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 7nmSDQLas Américas International AirportSanto Domingo
- 13nmJBQLa Isabela International AirportLa Isabela
- 46nmAZSSamaná El Catey International AirportSamana
- 49nmLRMCasa De Campo International AirportLa Romana
- 72nmSTICibao International AirportSantiago
- 79nmBRXMaria Montez International AirportBarahona
Location
Open the full mapMDSI · San Isidro Air Base · San Isidro, Dominican Republic