Airports / Dominican Republic / MDSI
San Isidro Air Base.
San Isidro, Dominican Republic · 111 ft elevation. A private-aviation gateway on the Bravo register.
4.1/5
Google rating
9 ratings
0
Operators based
111
Elevation ft
Google rating
Google reviews
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). MDSI offers a single 7,000-foot paved runway, which supports charter types through the VIP airliner class.
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.
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Field capability
ICAO
MDSI
IATA
n/a
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.
Runways & aircraft access
1 runway
longest 7,000 ft
- 03/217,000 ft × 200 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 7,000 ft
MDSI's 7,000 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
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
Flight times from here
Approximate nonstop block times from MDSI on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Miami (MIA) | 730 nm | 2h 6m |
| Palm Beach (PBI) | 754 nm | 2h 9m |
| Washington DC (IAD) | 1,291 nm | 3h 24m |
| New York (TEB) | 1,360 nm | 3h 34m |
| Nashville (BNA) | 1,386 nm | 3h 37m |
| Boston (BED) | 1,441 nm | 3h 45m |
| Houston (HOU) | 1,545 nm | 4h 0m |
| Austin (AUS) | 1,674 nm | 4h 18m |
Common questions
- What size private jets can use MDSI?
- San Isidro Air Base's longest paved runway is 7,000 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at MDSI?
- San Isidro Air Base has one runway; the longest measures 7,000 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to MDSI?
- The closest alternate is Las Américas International Airport (SDQ), about 7 nm away, followed by La Isabela International Airport (JBQ) at 13 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from MDSI to major cities?
- Typical block times on a midsize jet: Miami about 2h 6m (730 nm), Palm Beach about 2h 9m (754 nm), Washington DC about 3h 24m (1,291 nm). Faster classes trim these times; add positioning and taxi for the real schedule.