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Dongsha Airport (RCLM) serves Pratas Island (Dongsha Island), a remote coral atoll located 444 kilometers from Kaohsiung and 850 kilometers southwest of Taipei in the South China Sea, operating as Taiwan's first marine national park established in January 2007. The airport features a single runway 11/29 and basic terminal facilities designed to support limited access operations, with UNI Air providing weekly Thursday flights from Kaohsiung exclusively for Coast Guard Administration staff, accommodating maximum 56 passengers and 500 kilograms of cargo due to no refueling facilities.
The minimal terminal infrastructure reflects the island's dual role as a strategic military outpost and pristine marine research station, providing essential services for Taiwan's sovereignty operations and scientific research activities within the 353,667-hectare Dongsha Atoll National Park. The facility supports marine biodiversity research documenting over 250 coral species, 556 fish species, 168 plants, and 140 bird species, making this remote location one of Asia's most important coral reef ecosystems and a crucial genetic connectivity stepping-stone for South China Sea marine life.
Operational considerations include strict access controls requiring official authorization, limited passenger capacity due to fuel constraints, and the airport's critical role supporting Taiwan's territorial claims while facilitating world-class marine conservation research. The facility serves as a lifeline for Coast Guard personnel, marine researchers, and park management staff protecting one of the region's most biodiverse coral reef systems in the strategically important South China Sea waters between Hong Kong and the Philippines.
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Dongsha Airport (RCLM) serves Pratas Island, Taiwan's first marine national park located 444 kilometers from Kaohsiung in the strategically vital South China Sea between Hong Kong (320km northwest) and the Philippines. UNI Air operates the sole weekly Thursday flight from Kaohsiung International Airport, strictly limited to Coast Guard Administration personnel, marine researchers, and meteorological staff. The ATR 72-600 aircraft carries maximum 56 passengers and 500kg cargo, with no refueling capability on-island requiring precise fuel calculations for round-trip operations.
The Dongsha International Research Station, established in 2004, supports critical marine biodiversity research within the 353,667-hectare protected area encompassing the 25-kilometer diameter circular atoll. Scientists document 250+ coral species, 556 fish species, and monitor this genetic connectivity stepping-stone linking South China Sea reef systems. The meteorological station, founded in 1925, provides the only weather data collection within 100 nautical miles, crucial for typhoon tracking and maritime safety. Additionally, Air Force C-130 freighters depart monthly from Pingtung Air Base carrying heavy equipment and supplies.
Access requires Marine National Park Headquarters authorization through Kaohsiung municipal government offices, with applications submitted months in advance specifying research objectives and security clearances. The 240-hectare island (including 64-hectare lagoon) lacks civilian infrastructure - no hotels, restaurants, shops, taxis, or public facilities exist. Researchers must be completely self-sufficient with water, food, medical supplies, and emergency communications. Tropical cyclones frequently suspend operations June through October, potentially stranding personnel for weeks. The island's dual role as Taiwan's sovereignty outpost controlling Bashi Channel approaches and premier coral reef research station makes unauthorized access a serious national security violation subject to military detention.
Expert Travel Tips & Insights
Pro Traveler Secrets
• Check latest schedules when connecting through Dongsha Island (Pratas Island) Airport.
• Dongsha Island Airport is a restricted outpost in the South China Sea.
• It is not open to the general public or tourists.
• Access is limited to government, research, and military personnel.
• UNI Air operates a weekly Kaohsiung flight for staff and cargo.
Quick Facts
Minimum domestic connection:
45 minutes
International connections:
90 minutes
Interline transfers:
120 minutes
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