Type 639 oceanographic surveillance ship

Type 639 oceanographic surveillance ship

Section Title:
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Type	Pennant #	Builder	Launched	Commissioned	Status	Fleet

639	Bei-Diao 991	Wuchang Shipyard	After 2000	2009	Active	North Sea Fleet

639A	Bei-Ce 901	Wuchang Shipyard	After 2000	2015	Active	North Sea Fleet

639A	Dong-Ce 232	Wuchang Shipyard	After 2000	2013	Active	East Sea Fleet

639A	Dong-Ce 233	Wuchang Shipyard	After 2000	2015	Active	East Sea Fleet

639A	Nan-Ce 429	Wuchang Shipyard	After 2000	2013	Active	South Sea Fleet

639A	Nan-Ce 430	Wuchang Shipyard	After 2000	2013	Active	South Sea Fleet

Sentence(s)

The type 639 with pennant number Bei-diao 991 is an oceanographic research ship.

final_sentence: The type 639 with pennant number Bei-diao 991 is an oceanographic research ship.