Sunday, 1 November 2026
Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction
Standing Office 81

IV.10.1Acoustic seabed survey equipment

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.