Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer
San Isidro Air Base (MDSI) — San Isidro, Dominican Republic
At a glance
- Tower
- 122.7
- Runways
- 03/21
- Elevation
- 111 ft
Times in UTC. Reference only: verify with the AIP and NOTAMs.
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63%
Data Complete
33 of 52 points
Missing: Operations, Fuel, Contacts
Section Breakdown
Basic Info
7/7
Runways
4/4
Frequencies
1/4
Operations
0/2
Fuel
0/1
Contacts
0/2
Additional Info
2/10
Observed Activity
· Oct 27
14 aircraft observed within 6 NM · busiest hour 18:00Z
2026-10-142026-10-27
Distinct ADS-B aircraft seen within 6 NM below 10,000 ft AGL per UTC day · community-feed coverage varies · not official movement totals
Data last updated:
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See a next to a field? Click it to confirm the info is still correct. Recently verified Outdated — please verify
Basic Airport Information
- ICAO: MDSI
- Name: San Isidro Air Base
- Type: medium_airport
- Category: Military
- Latitude: 18.5037
- Longitude: -69.761703
- Elevation: 111 ft
- Country: Dominican Republic
- Municipality: San Isidro
- IATA Code: N/A
- FAA Code: N/A
- FIR: N/A
- Timezone: America/Santo_Domingo
- Distance from City: N/A km
- VFR: Yes
- IFR: No
Runways
Runway 03/21
- Designation: 03/21
- Dimensions: 2134x61m
- Surface: ASP
- PCN: N/A
- Lighting: Lighted
- NAVAIDs: ILS 21 109.1
- Approach Types: N/A
- Remarks: N/A
Frequencies
- Tower: 122.700 MHz
- Ground: N/A
- Operations: N/A
- Traffic/Approach: N/A
- ATIS: N/A
Operation Hours
Monday
N/A
Tuesday
N/A
Wednesday
N/A
Thursday
N/A
Friday
N/A
Saturday
N/A
Sunday
N/A
- Extra Hours On Request: Not recorded
- Remarks: N/A
Contacts
- AIS Tel: N/A
- ARO Tel: N/A
- MET Tel: N/A
- Admin Tel: N/A
- Health Tel: N/A
- Police Tel: N/A
- Authorities Tel: N/A
- Website: N/A
- Remarks: N/A
Slots / PPR
- Slot Required: Not recorded
- PPR Required: Not recorded
- PPR Contact: N/A
- Remarks: N/A
Immigration
- Port of Entry: Not recorded
- APIS Required: Not recorded
- GAR Required: Not recorded
- Remarks: N/A
Airport Services
No services listed for this airport yet.
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Dominican Republic Permit Requirements
Medium
Landing: 2d
- Overflight Permit: No
- Landing Permit: Conditional
- Overflight Lead Time: N/A
- Landing Lead Time: 48 hours (charter >12 seats); notification only (charter <=12 seats / air ambulance)
Private / GA Operations:
Private flights require customs pre-notification.
NOTAMs
No live NOTAM source covers MDSI. Check the official AIS before flight.
Nearby Airports
Airport History
No milestones recorded for San Isidro Air Base yet. Know when it opened, who built it or a notable event? Add it with a source.
Add a historical factFrequently Asked Questions
- What is the tower frequency at MDSI?
- The tower frequency at San Isidro Air Base is 122.7 MHz.
- Does MDSI require landing permits?
- It depends on the flight. Private flights require customs pre-notification. Permit details for Dominican Republic
- Where is MDSI located?
- San Isidro Air Base (MDSI) is located in San Isidro, Dominican Republic.
- How long is the runway at MDSI?
- The main runway at San Isidro Air Base (03/21) measures 2134x61m.