Diyawanna Oya Seaplane Base
Daylight today(Jul 15, 2026, local time)
About 12h 29m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Diyawanna Oya Seaplane Base
Diyawanna Oya Seaplane Base is a seaplane base in Sri Jayawardenepura Kotte, Sri Lanka (IATA DWO). It sits at an elevation of 10 ft (3 m). It has scheduled commercial service and observes Asia/Colombo local time. The nearest airport is Colombo Ratmalana International Airport (RML), about 5.3 nm to the ssw.
Summary generated from this airport’s structured data — reference only.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (0)
No runway data recorded for this airport.
Airspace in this area(6)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| COLOMBO FIR | Class A | Controlled | GND | FL460 |
| COLOMBO TERMINAL CONTROL AREA TMA | Class C | Controlled | FL010 | FL460 |
| KAT VOR R170-3 CTA | Class C | Controlled | FL020 | FL460 |
| RATMALANA CTR | Class D | CTR | GND | FL040 |
| COLOMBO CTR | Class D | CTR | GND | FL040 |
| VCR23 RESTRICTED | Special use | Restricted | GND | FL245 |
Approximate bounding-box match from OpenAIP · all Sri Lanka airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Colombo Lotus Tower | 1,168 ft | 33 ft | — |
| Altair Building | 787 ft | 26 ft | — |
| Clearpoint Residencies | 607 ft | 36 ft | — |
| Fairway Elements | 492 ft | 33 ft | — |
| Bank of Ceylon | 344 ft | 82 ft | — |
| Obstacle | 328 ft | 52 ft | — |
| Fair Mount Comm Towers | — | 39 ft | — |
| Obstacle | — | 33 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Diyawanna Oya Seaplane Base.
Frequently asked questions
What is the airport code for Diyawanna Oya Seaplane Base?
Diyawanna Oya Seaplane Base uses the IATA code DWO.
Where is Diyawanna Oya Seaplane Base located?
Diyawanna Oya Seaplane Base is seaplane base located in Sri Jayawardenepura Kotte, Sri Lanka, at an elevation of 10 ft (3 m).
What time zone is Diyawanna Oya Seaplane Base in?
Diyawanna Oya Seaplane Base is in the Asia/Colombo time zone (UTC+05:30).
What is the magnetic variation at Diyawanna Oya Seaplane Base?
The magnetic variation (declination) at Diyawanna Oya Seaplane Base is approximately 1.9° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Diyawanna Oya Seaplane Base?
The nearest airport to Diyawanna Oya Seaplane Base is Colombo Ratmalana International Airport (RML), about 5.3 nm to the ssw, followed by Bandaranaike International Colombo Airport and Katukurunda Air Force Base.
Is the information on this page suitable for flight planning?
No. Diyawanna Oya Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.