HMNZS Moa (T233)

HMNZS Moa (T233) was a Bird-class minesweeper of the Royal New Zealand Navy (RNZN) that served during World War II.

For other ships with the same name, see HMNZS Moa.

History
New Zealand
NameHMNZS Moa (T233)
NamesakeMoa
OrderedSeptember 1939
BuilderHenry Robb Ltd., Leith
Laid down22 March 1940[1]
Launched15 May 1941
Sponsored byLady Ferguson, wife of former governor-general Sir Charles Fergusson[2]
Commissioned12 August 1941
FateSunk by Japanese aircraft, 7 April 1943
General characteristics
Class and typeBird-class minesweeper
Displacement
  • 607 tons standard
  • 923 tons full load
Length
  • 168 ft (51 m) (overall)
  • 157.5 ft (48.0 m) (keel)
Beam30 ft (9.1 m)
Draught15.3 ft (4.7 m)
Propulsion1,100 ihp (820 kW) oil
Speed13 knots (24 km/h)
Complement33–35
Sensors and
processing systems		ASDIC
Armament

Construction and design

The first of three Bird-class minesweepers, Moa displaced 607 tons standard and 923 tons at full load. She was 168 ft (51 m) long overall, had a beam of 30 ft (9.1 m) and a draught of 15.3 ft (4.7 m). She had a top speed of 13 knots (24 km/h) and a crew of between 33 and 35 personnel. Moa's main armament was a single 4-inch Mk IX naval gun, which was supplemented by anti-aircraft guns. She also carried minesweeping equipment and 40 depth charges for anti-submarine operations.[3][4]

Operational history

Commissioned into the Royal New Zealand Navy on 12 August 1941, Moa was the first of two vessels with this name to serve in the RNZN and was named after a native bird from New Zealand.[5][6]

On 29 January 1943, in concert with her sister ship Kiwi, Moa helped to ram and wreck the Japanese submarine I-1.[7] At the time Moa was under the command of Lieutenant Commander Peter Phipps, later to become a vice admiral.[7][8]

In February 1943, Moa participated in Operation Cleanslate, the occupation of the Russell Islands. However, when the Moa put the forces ashore, local natives informed them that the Japanese had left ten days before.[9]

On 7 April 1943 Moa was refuelling from the USS Erskine M. Phelps at Tulagi Harbor when Japanese aircraft attacked.[10][11] Moa sustained two near misses and two direct hits from 500-pound (230 kg) bombs, one that passed through the ship before exploding in the water abeam to starboard,[12][13] the other passed through the captain's cabin into the boiler room, where it exploded, effectively "breaking the ship′s back."[14][15][12][13] Moa sank bow-first within about four minutes.[8] Five ratings were killed and seven were seriously wounded, including Phipps.[7][8] At some point in the interim following the sinking of the submarine I-1 and her own sinking, the Moa crew had acquired and mounted a 20 mm Oerlikon anti-aircraft gun on her very bow, with which the crew used against their attackers before they sank.[16] This 20mm gun could still be seen on her wreck in 2002.[17]

Postscript
I-1's gun on display at the Torpedo Bay Navy Museum

Seventy-one years after her sinking, Moa's name plate was recovered by divers and is being restored for eventual display at the Torpedo Bay Navy Museum in Auckland, New Zealand.[4] The Torpedo Bay Naval Museum already has on display the main deck gun recovered from the wreck of the I-1.

See also

References
  1. Waters, Sydney David (1956). "Chapter 12: Minesweeping In New Zealand Waters". The Royal New Zealand Navy. Wellington, New Zealand: War History Branch, Department of Internal Affairs. p. 168. Retrieved 28 April 2015.
  2. McLean, Gavin. "Royal NZ Navy's Bird-class ships, Page 3 – Early wartime duties". New Zealand History. History Group of the New Zealand Ministry for Culture and Heritage. Retrieved 28 April 2015.
  3. Chesneau, Robert, ed. (1984). Conway's All the World's Fighting Ships 1922-1946. Annapolis, Md.: Naval Institute Press. p. 66. ISBN 9780870219139. Retrieved 28 April 2015.
  4. "HMNZS MOA - Yard No 314 - Bird Class Naval Training - NZ Navy - Built 1941". The Loftsman. Leith Shipyards. Archived from the original on 4 March 2016. Retrieved 28 April 2015.
  5. McLean, Gavin. "Royal NZ Navy's Bird-class ships, Page 1 – Introduction". New Zealand History. History Group of the New Zealand Ministry for Culture and Heritage. Retrieved 28 April 2015.
  6. New Zealand Army, National Security and Defense Policy Handbook. Washington, DC: International Business Publications. 2004. p. 103. ISBN 9780739754054. Retrieved 28 April 2015.
  7. Waters, Sydney David (1956). "Chapter 20: The Struggle For Guadalcanal". The Royal New Zealand Navy. Wellington, New Zealand: War History Branch, Department of Internal Affairs. pp. 307–309. Retrieved 28 April 2015.
  8. "WWII: Vice Admiral Sir Peter Phipps KBE DSC VRD". Royal New Zealand Navy. Retrieved 28 April 2015.
  9. "HMNZS Moa and Operation CLEANSLATE". National Museum of the Royal New Zealand Navy. Archived from the original on 23 January 2015. Retrieved 28 April 2015.
  10. Crenshaw Jr., Russell Sydnor (2009). South Pacific Destroyer: The Battle for the Solomons from Savo Island to Vella Gulf (1st Naval Institute Press pbk. ed.). Annapolis, MD: Naval Institute Press. p. 99. ISBN 978-1591141433.
  11. McFadyen, Michael. "HMNZS Moa Dive Site". michaelmcfadyenscuba. Retrieved 28 April 2015.
  12. "Japanese Aircraft, Ships and Historical Research". J-aircraft. Retrieved 21 March 2021.
  13. "The bombing of HMNZS Moa during Operation I-GO". Retrieved 21 March 2021.
  14. "Kiwi & Moa". Torpedo Bay Naval Museum. 20 October 2015. Retrieved 21 March 2021.
  15. "HMNZS Moa". Leith Shipyards. Archived from the original on 4 March 2016. Retrieved 21 March 2021.
  16. "Campbell Buchanan and the sinking of Japanese Submarine I-1". National Museum of the Royal New Zealand Navy. Archived from the original on 23 January 2015. Retrieved 28 April 2015. Whilst waiting for the repairs to Kiwi to be completed, Moa managed to get the (dry) US Navy to provide and fit a 20 mm Oerlikon for the princely sum of two bottles of gin!
  17. "Image of the wreck by Kevin Denlay". Ship models. Retrieved 21 March 2021.

Further reading
  • Harker, Jack (2000). The Rockies: New Zealand Minesweepers at War. Silver Owl Press. ISBN 0-9597979-9-8.
  • Harold, Jack Nelson (1993). Big Bird - Little Ship: H.M.N.Z.S. Moa, Royal New Zealand Navy. J.N. Harold.
  • McDougall, R.J. (1989). New Zealand Naval Vessels. Wellington: GP Books, Informing New Zealanders. ISBN 9780477013994.
  • Roberts, John (2000). British Warships of the Second World War. Annapolis: Naval Institute Press. ISBN 155750220X.

9°05′42.1″S 160°8′57.20″E

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