USC&GS Westdahl on sea trials at Portland, Oregon, in 1929
History
United States
Name	Westdahl
Namesake	Ferdinand Westdahl (1843-1919), who served in the U.S. Coast Survey and U.S. Coast and Geodetic Survey 1867-1919
Completed	1929
Commissioned	1929
Decommissioned	1946
Fate	Retired 1946
General characteristics
Type	Survey ship
Length	77.5 ft (23.6 m)
Beam	15.5 ft (4.7 m)
Draft	7.5 ft (2.3 m)
Propulsion	Diesel engine

USC&GS Westdahl was a survey ship that served in the United States Coast and Geodetic Survey from 1929 to 1946.

Westdahl was built in 1929 at Portland, Oregon, and entered Coast and Geodetic Survey service that year. She spent her career along the United States West Coast.

On 6 October 1935, Westdahl towed the disabled fishing boat Diana from Point Retreat on the northern tip of Admiralty Island in southeast Alaska to Juneau, Alaska.

Westdahl was retired from Coast and Geodetic Survey service in 1946.

References

• NOAA History: Tools of the Trade: Coast and Geodetic Survey Ships: Westdahl
• NOAA History, A Science Odyssey: Hall of Honor: Lifesaving and the Protection of Property by the Coast and Geodetic Survey 1845-1907