- List
- Viet Nam – Dual-use goods under the Ministry of Science and Technology – Circular No. 30/2026/TT-BKHCN
- HS code
- 854370, 901580, 90303900
- Licensing ministry
- Ministry of Science and Technology
- ECCN
- 6A001.a.1.a.1
- Corresponding EU entry
- 6A001
1. Surface vessel survey equipment designed for seabed topographic mapping and having all of the following: a. Designed to take measurements at an angle exceeding 20º from the vertical; b. Designed to measure seabed topography at seabed depths exceeding 600 m; c. Sounding resolution less than 2; d. Enhancement of the depth accuracy through compensation for all of the following: - Motion of the acoustic sensor; - In-water propagation from the sensor to the seabed and back; - Sound speed at the sensor. Note: For the purposes of 6A001.a.1.a.1.c., sounding resolution is the swath width (in degrees) divided by the maximum number of soundings per swath.