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Mission San Luis Obispo
T2-SE-A2
Mission Buenaventura Class Fleet Oiler:
Laid down, 18 April 1944, as a Maritime Commission type (T2-SE-A2) tanker hull, under a Maritime
Commission contract at Marinship, Sausalito, CA.
Launched, 18 June 1944
Delivered to the WSA, 15 July 1944, for charter to Pacific Tankers, Inc.
Returned to the Maritime Commission, 27 March 1946, for lay up in the National Defense Reserve Fleet,
James River, Fort Eustis, VA.
Reacquired by the Navy, 24 October 1947, and assigned to the Naval Transportation Service (NTS) as Mission
San Luis Obispo (AO-127);
Transferred to the Military Sea Transportation Service (MSTS), 1 October 1949 and placed in service as
USNS Mission San Luis Obispo (T-AO-127)
Placed out of service, 22 June 1955
Laid up in the National Defense Reserve Fleet, Olympia, WA.
Reacquired by the Navy, 27 June 1956, and again placed in service with MSTS as USNS Mission San
Luis Obispo (T-AO-127)
Returned to the Maritime Administration, 24 June 1957, for lay up in the National Defense Reserve Fleet, Beaumont, TX.
Struck from the Naval Register, 24 September 1957
Final Disposition, sold, 25 March 1966, to Hudson Waterways Corp., for conversion to a combination containership
and train ferry, renamed Seatrain Puerto Rico, 1 April 1966
Final Disposition, scrapped at Kaohsiung 4.09.1986 [ By An Hsiung Iron & Steel Co. ]
( See photos below )
Specifications:
Displacement 5,532 t(lt) 21,880 t.(fl)
Length 524'
Beam 68'
Draft 30' (max)
Speed 16.5 kts.
Complement 52 civilian mariners
Armament none
Propulsion Turbo-electric, single screw, 6000hp

View the Mission San Luis Obispo (T-AO-127)
DANFS history entry located at NavSource.

The Miramar Ship Index for "MISSION SAN LUIS OBISPO"
IDNo:
6700468
Year:
1944
Name:
MISSION SAN LUIS OBISPO
Keel:
18.04.1944
Type:
Tanker
Launch Date:
18.06.1944
Flag:
USA
Date of completion:
15.07.1944

Tons:
10470
Link:
-
DWT:
16613
Yard No:
47
Length overall:
159.6
Ship Design:
T2-SE-A2
LPP:
153.3
Country of build:
USA
Beam:
20.7
Builder:
Marinship Corp.
Material of build:
Location of yard:
Sausalito
Number of screws/Mchy/Speed(kn):
1TE-16

Subsequent History:
[ 1967 Lg 170.7 / 164.5 x 20.8 mtr, 7991 grt / 12249 dwt & converted to RoRo rail vehicles carrier ] -
1967 SEATRAIN PUERTO RICO - 1978 PUERTO RICO

Disposal Data:
Scrapped at Kaohsiung 4.09.1986 [ By An Hsiung Iron & Steel Co. ]

History:
ON
LR/IMO
ID
Year
Name
Tons
Change
Registered Owner
246095
6700468
1944
MISSION SAN LUIS OBISPO
10470
U.S. Govt.
AO-127
6700468
1944
MISSION SAN LUIS OBISPO
10470
1947
U.S. Navy
6700468
1944
MISSION SAN LUIS OBISPO
10470
1957
U.S. Govt.
6700468
1944
SEATRAIN PUERTO RICO
7991
1967
Hudson Waterways Corp.
6700468
1944
SEATRAIN PUERTO RICO
7991
1975
U. S. Dept. of Commerce
6700468
1944
PUERTO RICO
7991
1978
U. S. Dept. of Commerce

 
"Mission San Luis Obispo".
 
"Mission San Luis Obispo".
 
"Mission San Luis Obispo".
( Photo thanks to David Buell )
"Mission San Luis Obispo".
Navy Transportation Service tanker Mission San Luis Obispo (AO-127) moored, circa 1947 to 1949,
place unknown.
 
"Seatrain Puerto Rico", the first in a line of seven converted T2 tankers and sistership of the Ohio, underway
circa late 1960s.
( Photo Copyright L.A. Sawyer and W.H. Mitchell )
The Seatrain Puerto Rico formerly the T2-SE-A2 'Mission' lype tanker Mission San Luis Obispo, was
altered beyond recognition in 1967 at Newport News to a container and railway wagon earner for the
Hudson Waterways Corporation. Length was increased, superstructure relocated aft and a spar deck
equipped with twin 50-ton cranes was constructed. The fore end of the main deck was squared-off with
sponsons to match the shape of the spar deck above. Rail tracks are fitted in the lower deck and
vehicles/containers are carried on the main deck. The vessel operates under the colours of the as-
sociated Seatrain Lines of New Jersey. The Seatrain Carolina (ex Mission Santa Barbara) is a
similar conversion.