HMNZS Endeavour was a Royal New Zealand Navy Antarctic support vessel. She was the first of three ships in the Royal New Zealand Navy to bear that name. The ship was built in the United States in 1944 as Satinwood (YN-89) as a net tender of the Ailanthus class (but later redesignated as AN-76, a net layer) and transferred to the Royal Navy under Lend-Lease in August 1944. Commissioned as HMS Pretext (Z284), she served the United Kingdom until she was returned to United States Navy custody in November 1945. Sold by the United States Maritime Commission in 1947, she served as a research vessel for the Falkland Islands Dependencies Survey under the name SV John Biscoe. She was briefly renamed Pretext when another ship was assigned the John Biscoe name, before being sold to the Royal New Zeala