Halong Bay looks pretty spectacular when viewed from above

The "white boat plane" in Halong Bay that you may be referring to is likely the seaplane operated by Hai Au Aviation. The seaplane is a unique and exciting way to experience the stunning beauty of Halong Bay from above. The seaplane departs from Tuan Chau Marina, which is located on Tuan Chau Island, and offers a variety of flight options, including a 25-minute scenic flight over Halong Bay, a 40-minute flight that includes a water landing and takeoff, and a full-day tour that combines a scenic flight with a cruise and other activities. During the flight, you'll get to see the impressive limestone karsts and islets of Halong Bay from a bird's-eye view, which is truly breathtaking. You'll also get to experience the thrill of taking off and landing on the water, which is a unique and memorable experience. The seaplane is safe and comfortable, with large windows that provide excellent views of the surrounding scenery. The staff are friendly and professional, and they provide informative commentary throughout the flight. If you're a solo female traveler interested in experiencing Halong Bay in a unique way, the seaplane is definitely worth considering. Just be sure to check the weather forecast before booking, as flights may be canceled in the event of bad weather.