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GZ convoys
View of a convoy during the Second World War.
TypeGZ Convoys
Location
Caribbean Sea
Planned140
ObjectiveMerchant convoys between Guantanamo Bay, Cuba, and Cristóbal, Colón, Panama
DateSeptember 1942 (1942-09) to May 1945 (1945-05)
GZ convoys is located in Caribbean
Guantanamo Bay
Guantanamo Bay
Cristóbal, Colón, Panama
Cristóbal, Colón, Panama
class=notpageimage|
Ports of call for GZ convoys

The GZ convoys were a series of Caribbean convoys which ran during the Battle of the Atlantic in World War II.[1]

They take their name from the route: Guantanamo, Cuba to Cristóbal, Colón, Panama[1]

Overview

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The GZ series was the reverse of ZG series that ran from 31 August 1942 until 17 May 1945. There were 139 GZ convoys, comprising 1,151 individual ship listings. The escort ships for these convoys are not listed in the reference cited. Almost all ships listed in a convoy made the complete trip between Guantanamo and Cristóbal with a few going to Kingston, Jamaica, or Cartagena, Colombia.[1]

The series started with GZ 1 through GZ 139 with only 1 convoy being cancelled, GZ 31. There are only two ships listed as being lost, and the losses were not due to enemy action, one grounded and broke in two and the other was from a collision.[1]

Convoy List

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1942[1]

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Convoy Departure
Date 		Arrival
Date 		No.of Merchant Ships Notes
GZ 1 31 August 1942 3 September 1942 8 0 vessels lost
GZ 2 7 September 1942 11 September 1942 11 0 vessels lost
GZ 3 13 September 1942 17 September 1942 14 0 vessels lost
GZ 4 20 September 1942 24 September 1942 12 0 vessels lost
GZ 5 27 September 1942 30 September 1942 15 0 vessels lost
GZ 6 4 October 1942 9 October 1942 28 0 vessels lost
GZ 7 12 October 1942 16 October 1942 12 0 vessels lost
GZ 7A 12 October 1942 16 October 1942 3 0 vessels lost
GZ 8 16 October 1942 19 October 1942 6 0 vessels lost
GZ 9 23 October 1942 26 October 1942 15 0 vessels lost
GZ 10 31 October 1942 4 November 1942 18 0 vessels lost
GZ 11 8 November 1942 12 November 1942 16 0 vessels lost
GZ 12 16 November 1942 19 November 1942 20 0 vessels lost
GZ 13 24 November 1942 27 November 1942 24 0 vessels lost
GZ 14 2 December 1942 5 December 1942 17 0 vessels lost
GZ 15 10 December 1942 13 December 1942 13 0 vessels lost
GZ 16 18 December 1942 21 December 1942 15 0 vessels lost
GZ 17 26 December 1942 29 December 1942 18 0 vessels lost

1943[1]

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Convoy Departure
Date 		Arrival
Date 		No.of Merchant Ships Notes
GZ 18 3 January 1943 7 January 1943 14 0 vessels lost
GZ 19 13 January 1943 17 January 1943 1 0 vessels lost
GZ 20 23 January 1943 27 January 1943 16 0 vessels lost
GZ 21 5 February 1943 8 February 1943 4 0 vessels lost
GZ 22 15 February 1943 18 February 1943 4 0 vessels lost
GZ 23 25 February 1943 1 March 1943 6 0 vessels lost
GZ 24 7 March 1943 11 March 1943 3 0 vessels lost
GZ 25 17 March 1943 21 March 1943 15 0 vessels lost
GZ 26 27 March 1943 31 March 1943 22 0 vessels lost
GZ 27 31 March 1943 3 April 1943 11 0 vessels lost
GZ 28 10 April 1943 14 April 1943 27 0 vessels lost
GZ 29 20 April 1943 24 April 1943 12 0 vessels lost
GZ 30 30 April 1943 4 May 1943 13 0 vessels lost
GZ 31 Cancelled
GZ 32 20 May 1943 24 May 1943 8 0 vessels lost
GZ 33 30 May 1943 3 June 1943 16 0 vessels lost
GZ 34 9 June 1943 13 June 1943 4 0 vessels lost
GZ 35 19 June 1943 23 June 1943 11 0 vessels lost
GZ 36 29 June 1943 2 July 1943 3 0 vessels lost
GZ 37 9 July 1943 12 July 1943 1 0 vessels lost
GZ 38 19 July 1943 22 July 1943 3 0 vessels lost
GZ 39 29 July 1943 2 August 1943 2 0 vessels lost
GZ 40 8 August 1943 12 August 1943 9 0 vessels lost
GZ 41 18 August 1943 22 August 1943 8 0 vessels lost
GZ 42 28 August 1943 1 September 1943 1 0 vessels lost
GZ 43 7 September 1943 11 September 1943 1 0 vessels lost
GZ 44 16 September 1943 20 September 1943 3 0 vessels lost
GZ 45 26 September 1943 30 September 1943 2 0 vessels lost
GZ 46 7 October 1943 Not listed 3 0 vessels lost
GZ 47 16 October 1943 19 October 1943 5 0 vessels lost
GZ 48 26 October 1943 Not listed Not listed
GZ 49 5 November 1943 9 November 1943 9 0 vessels lost
GZ 50 15 November 1943 Not listed Not listed
GZ 51 25 November 1943 30 November 1943 3 0 vessels lost
GZ 52 5 December 1943 9 December 1943 10 0 vessels lost
GZ 53 15 December 1943 19 December 1943 22 1 vessel lost; James Withycombe, ran aground off Cristóbal, broke in two and was abandoned
GZ 54 25 December 1943 29 December 1943 20 0 vessels lost

1944[1]

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Convoy Departure
Date 		Arrival
Date 		No.of Merchant Ships Notes
GZ 55 5 January 1944 9 January 1944 17 0 vessels lost
GZ 56 15 January 1944 19 January 1944 14 0 vessels lost
GZ 57 24 January 1944 28 January 1944 19 0 vessels lost
GZ 58 3 February 1944 7 February 1944 14 0 vessels lost
GZ 59 13 February 1944 17 February 1944 16 0 vessels lost
GZ 60 23 February 1944 27 February 1944 16 0 vessels lost
GZ 61 5 March 1944 9 March 1944 7 0 vessels lost
GZ 62 15 March 1944 19 March 1944 14 0 vessels lost
GZ 63 24 March 1944 28 March 1944 20 0 vessels lost
GZ 64 4 April 1944 8 April 1944 16 0 vessels lost
GZ 65 14 April 1944 17 April 1944 19 0 vessels lost
GZ 66 23 April 1944 28 April 1944 9 0 vessels lost
GZ 67 4 May 1944 8 May 1944 5 0 vessels lost
GZ 68 14 May 1944 18 May 1944 8 0 vessels lost
GZ 69 23 May 1944 27 May 1944 11 0 vessels lost
GZ 70 3 June 1944 7 June 1944 13 0 vessels lost
GZ 71 8 June 1944 11 June 1944 14 0 vessels lost
GZ 72 13 June 1944 17 June 1944 20 0 vessels lost
GZ 73 18 June 1944 22 June 1944 12 0 vessels lost
GZ 74 21 June 1944 25 June 1944 11 0 vessels lost
GZ 75 28 June 1944 2 July 1944 11 0 vessels lost
GZ 76 3 July 1944 7 July 1944 14 0 vessels lost
GZ 77 8 July 1944 12 July 1944 14 0 vessels lost
GZ 78 13 July 1944 17 July 1944 13 0 vessels lost
GZ 79 18 July 1944 22 July 1944 11 0 vessels lost
GZ 80 23 July 1944 27 July 1944 13 0 vessels lost
GZ 81 28 July 1944 Not listed 4 0 vessels lost
GZ 82 2 August 1944 6 August 1944 3 0 vessels lost
GZ 83 7 August 1944 11 August 1944 3 0 vessels lost
GZ 84 12 August 1944 15 August 1944 9 0 vessels lost
GZ 85 17 August 1944 21 August 1944 9 0 vessels lost
GZ 86 22 August 1944 25 August 1944 9 0 vessels lost
GZ 87 27 August 1944 31 August 1944 7 0 vessels lost
GZ 88 1 September 1944 5 September 1944 9 0 vessels lost
GZ 89 6 September 1944 10 September 1944 5 1 vessel lost; Hindoo, collided with Australia Star and sank in the Caribbean Sea
GZ 90 10 September 1944 13 September 1944 5 0 vessels lost
GZ 91 16 September 1944 20 September 1944 5 0 vessels lost
GZ 92 21 September 1944 25 September 1944 4 0 vessels lost
GZ 93 26 September 1944 30 September 1944 6 0 vessels lost
GZ 94 1 October 1944 4 October 1944 2 0 vessels lost
GZ 95 6 October 1944 9 October 1944 2 0 vessels lost
GZ 96 11 October 1944 14 October 1944 7 0 vessels lost
GZ 97 16 October 1944 20 October 1944 11 0 vessels lost
GZ 98 21 October 1944 24 October 1944 3 0 vessels lost
GZ 99 26 October 1944 29 October 1944 3 0 vessels lost
GZ 100 31 October 1944 3 November 1944 4 0 vessels lost
GZ 101 5 November 1944 9 November 1944 7 0 vessels lost
GZ 102 10 November 1944 13 November 1944 1 0 vessels lost
GZ 103 15 November 1944 18 November 1944 5 0 vessels lost
GZ 104 20 November 1944 23 November 1944 1 0 vessels lost
GZ 105 25 November 1944 28 November 1944 3 0 vessels lost
GZ 106 30 November 1944 4 December 1944 2 0 vessels lost
GZ 107 4 December 1944 7 December 1944 1 0 vessels lost
GZ 108 10 December 1944 13 December 1944 3 0 vessels lost
GZ 109 15 December 1944 19 December 1944 5 0 vessels lost
GZ 110 20 December 1944 24 December 1944 2 0 vessels lost
GZ 111 24 December 1944 27 December 1944 13 0 vessels lost
GZ 112 30 December 1944 3 January 1945 7 0 vessels lost

1945[1]

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Convoy Departure
Date 		Arrival
Date 		No.of Merchant Ships Notes
GZ 113 4 January 1945 7 January 1945 1 0 vessels lost
GZ 114 9 January 1945 12 January 1945 2 0 vessels lost
GZ 115 14 January 1945 17 January 1945 1 0 vessels lost
GZ 116 19 January 1945 22 January 1945 4 0 vessels lost
GZ 117 24 January 1945 27 January 1945 3 0 vessels lost
GZ 118 29 January 1945 1 February 1945 7 0 vessels lost
GZ 119 3 February 1945 6 February 1945 4 0 vessels lost
GZ 120 9 February 1945 12 February 1945 3 0 vessels lost
GZ 121 13 February 1945 17 February 1945 4 0 vessels lost
GZ 122 18 February 1945 22 February 1945 3 0 vessels lost
GZ 123 23 February 1945 26 February 1945 1 0 vessels lost
GZ 124 1 March 1945 4 March 1945 3 0 vessels lost
GZ 125 5 March 1945 9 March 1945 6 0 vessels lost
GZ 126 10 March 1945 13 March 1945 3 0 vessels lost
GZ 127 15 March 1945 19 March 1945 11 0 vessels lost
GZ 128 20 March 1945 23 March 1945 4 0 vessels lost
GZ 129 25 March 1945 29 March 1945 9 0 vessels lost
GZ 130 30 March 1945 2 April 1945 7 0 vessels lost
GZ 131 4 April 1945 7 April 1945 2 0 vessels lost
GZ 132 9 April 1945 13 April 1945 4 0 vessels lost
GZ 133 14 April 1945 17 April 1945 1 0 vessels lost
GZ 134 19 April 1945 23 April 1945 1 0 vessels lost
GZ 135 24 April 1945 27 April 1945 1 0 vessels lost
GZ 136 28 April 1945 30 April 1945 1 0 vessels lost
GZ 137 4 May 1945 7 May 1945 1 0 vessels lost
GZ 138 9 May 1945 12 May 1945 3 0 vessels lost
GZ 139 14 May 1945 17 May 1945 3 0 vessels lost

Notes

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Citations
  1. ^ a b c d e f g h GZ Series.

Bibliography

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Books
  • Arnold Hague (2000). The Allied Convoy System 1939–1945. Chatham. ISBN 1-86176-147-3.
  • Rohwer, J. & Hummelchen, G. (1992). Chronology of the War at Sea 1939–1945. Naval Institute Press. ISBN 1-55750-105-X.
  • Silverstone, Paul H. (1968). U.S. Warships of World War II. Doubleday and Company.
Online resources
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Retrieved from "https://en.wikipedia.org/w/index.php?title=GZ_convoys&oldid=1204055755"