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Pennant number

From Wikipedia, the free encyclopedia

In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant number (an internationalisation of pendant number, which it was called before 1948). Historically, naval ships flew a flag that identified a flotilla or type of vessel. For example, the Royal Navy used a red burgee for torpedo boats and a pennant with an H for torpedo boat destroyers. Adding a number to the type-identifying flag uniquely identified each ship.

In the current system, a letter prefix, called a flag superior, identifies the type of ship, and numerical suffix, called a flag inferior, uniquely identifies an individual ship. Not all pennant numbers have a flag superior.

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Transcription

Royal Navy systems

The Royal Navy first used pennants to distinguish its ships in 1661 with a proclamation that all of his majesty's ships must fly a union pennant. This distinction was further strengthened by a proclamation in 1674 which forbade merchant vessels from flying any pennants.[1]

The system of numbering pennants was adopted prior to the First World War to distinguish between ships with the same or similar names, to reduce the size and improve the security of communications, and to assist recognition when ships of the same class are together. Traditionally, a pennant number was reported with a full stop "." between the flag superior or inferior and the number, although this practice has gradually been dropped, and inter-war photos after about 1924 tend not to have the full stop painted on the hull. The system was used throughout the navies of the British Empire so that a ship could be transferred from one navy to another without changing its pennant number.

Pennant numbers were originally allocated by individual naval stations and when a ship changed station it would be allocated a new number. The Admiralty took the situation in hand and first compiled a "Naval Pendant List" in 1910, with ships grouped under the distinguishing flag of their type. In addition, ships of the 2nd and 3rd (i.e. reserve) fleets had a second flag superior distinguishing from which naval depot they were crewed: "C" for Chatham, "D" for Devonport, "N" for Nore and "P" for Portsmouth. Destroyers were initially allocated the flag superior "H", but as this covered only one hundred possible combinations from H00 to H99 the letters "G" and "R" were also allocated. When ships were sunk, their pendant numbers were reissued to new ships.

The flag superior for whole ship classes has often been changed while the numbers stayed the same. For example, in 1940, the Royal Navy swapped the letters "I" and "D" around (e.g. D18 became I18 and I18 became D18) and in 1948, "K", "L" and "U" all became "F"; where there was a conflict, a 2 was added to the front of the pendant number.

During the 1970s, the service stopped painting pennant numbers on submarines on the grounds that, with the arrival of nuclear boats, they spent too little time on the surface, although submarines do continue to be issued numbers.

HMS Lancaster was initially allocated the pennant number F232, until it was realised that in the Royal Navy, form number 232 is the official report for ships that have run aground; sailors being superstitious, it was quickly changed to F229.

Second World War

No flag superior

Pendant number 13 was not allocated.

  • Capital ships, aircraft carriers, cruisers

Flag superiors

Pendant numbers 13 were not allocated to flag superiors. The letters J and K were used with three number combinations due to the number of vessels.


Flag inferiors

Flag inferiors were applied to submarines. Royal Navy submarines of the "H" and "L", and some transferred American vessels, were not issued names, only numbers. In these cases, the pendant number was simply the hull number inverted (i.e. L24 was issued pendant "24L"). Pre-war photos show the pendants painted correctly, with the flag inferior, but wartime photos show that the numbers tend to be painted "backwards", in that the inferior was painted on as a superior. For obvious reasons, the inferior "U" was not used so as not to confuse friendly ships with German U-boats. For similar reasons "V" was not used. Pendant numbers 00–10, 13, and those ending in a zero were not allocated to flag inferiors.

Post-1948

After the Second World War, in 1948, the Royal Navy adopted a rationalised "pennant" number system where the flag superior indicated the basic type of ship as follows. "F" and "A" use two or three digits, "L" and "P" up to four. Again, pennant 13 is not used (for instance the helicopter carrier Ocean (L12) was followed by Albion (L14)).

  • A — auxiliaries (vessels of the Royal Fleet Auxiliary, Royal Maritime Auxiliary Service, and Royal Navy Auxiliary Service, including depot ships, boom defence vessels, etc.)
  • C — cruisers (currently none in service, therefore unused)
  • D — destroyers
  • F — frigate (former escort destroyers, sloops and corvettes)
  • H — shore signal stations (military); survey vessels
  • K — miscellaneous vessels (e.g., the helicopter support ship HMS Lofoten or the seabed operations vessels RFA Proteus and HMS Challenger)
  • L — amphibious warfare ships
  • M — minesweepers
  • N — minelayers (currently none in service, therefore unused)
  • P — patrol boats
  • R — aircraft carriers
  • S — submarines
  • X — experimental vessels (currently, the only vessel to use this is XV Patrick Blackett which is not a commissioned ship of the Navy but is crewed and run by the Royal Navy)
  • Y — yard vessels

Flotilla bands

1925–1939

From 1925, flotilla leaders were issued with but did not paint on pendant numbers. Instead, a broad band 4 feet (1.2 m) deep was painted round their fore-funnel. Divisional leaders wore a pendant number and had a narrower 2 feet (0.61 m) deep band on the fore-funnel, painted 3 feet (0.91 m) from the top. The Mediterranean Fleet wore black leader bands and the Atlantic – later Home Fleet wore white bands. The flotillas wore combinations of bands on their after funnel to identify them. From 1925 the following bands were worn;

  • 1st Destroyer Flotilla — one black band
  • 2nd Destroyer Flotilla — two black bands (one red from 1935)
  • 3rd Destroyer Flotilla — three black bands
  • 4th Destroyer Flotilla — no bands
  • 5th Destroyer Flotilla — one white band
  • 6th Destroyer Flotilla — two white bands
  • 8th Destroyer Flotilla (from 1935) — one black and one white band

Second World War

When single funnelled destroyers entered the fleet with the J class in 1939 and with an expansion in the number of flotillas, the system was changed accordingly. Single funnelled ships wore a 3 feet (0.91 m) deep band as a flotilla leader. As a divisional leader they had a 2 feet (0.61 m) wide vertical band the same colour as, and extending 6 feet (1.8 m) below, the upper flotilla band. Leaders bands were white for Home Fleet, red for Mediterranean Fleet, and the system of flotilla bands changed to;

  • 1st Destroyer Flotilla (Mediterranean) — 1 red, G class
  • 2nd Destroyer Flotilla (Mediterranean) — 2 red, H class
  • 3rd Destroyer Flotilla (Mediterranean) — 3 red bands, then none, I class
  • 4th Destroyer Flotilla (Mediterranean) — none, Tribal class
  • 5th Destroyer Flotilla (Mediterranean) — none, K class
  • 6th Destroyer Flotilla (Home) — 1 white, Tribal class
  • 7th Destroyer Flotilla (Home) — 2 white, J class
  • 8th Destroyer Flotilla (Home) — 3 white, F class
  • 9th Destroyer Flotilla (Home) — 1 black & 2 white, V and W class
  • 10th Destroyer Flotilla (Home) — none, V & W class
  • 11th Destroyer Flotilla (Western Approaches) — 1 black over 2 red, V and W class
  • 12th Destroyer Flotilla (Rosyth) — 1 white over 1 red, E class
  • 13th Destroyer Flotilla (Gibraltar) — 1 white over 2 red, V and W class
  • 14th Destroyer Flotilla (Home) — 1 red over 1 black, V and W class
  • 15th Destroyer Flotilla (Rosyth) — 1 red over 2 black, V and W class
  • 16th Destroyer Flotilla (Portsmouth) — 1 red over 1 white, V and W class
  • 17th Destroyer Flotilla (Western Approaches) (from 1940) — 1 red over 2 white, Town class
  • 18th Destroyer Flotilla (Channel) — 1 white & 1 black, A class
  • 19th Destroyer Flotilla (Dover)— 1 white over 2 black, B class
  • 20th Destroyer Flotilla (Portsmouth) — 2 white over 1 black, C class
  • 21st Destroyer Flotilla (China Station) — 2 white over 1 red, D class

Flotilla bands were used throughout the war although war-losses, operational requirements, and new construction broke up the homogeneity of the destroyer flotillas. Vessels were deployed as and when they were needed or available, and were often incorporated into mixed "escort groups" containing a range of vessel types such as sloops, corvettes, frigates and escort carriers. A few of the escort groups adopted funnel bands; others (like the B7 escort group) wore letters on their funnels.

Post-war

Post-war Flotillas were no longer identified by bands, but by large cast metal numbers bolted to the funnels. Flotilla leaders continued to display a large band at the top of the funnel and half leaders would carry a thin black band around the funnel.

Deck codes

Aircraft carriers and vessels operating aircraft have a deck code painted on the flight deck to aid identification by aircraft attempting to land. This is in a position clearly visible on the approach path. The Royal Navy uses a single letter (typically the first letter of the ship's name) for aircraft carriers and large vessels operating aircraft, and pairs of letters (usually letters from the ship's name) for smaller vessels. The United States Navy, with its larger fleet, uses the numeric part of the hull classification number (a system analogous to pennant numbers). Deck codes used by contemporary major British naval warships include:

International pennant numbers

Several European NATO and Commonwealth navies agreed to introduce a pennant number system based on that of the Royal Navy. The system guarantees that, amongst those navies and other navies that later joined, all pennant numbers are unique. The United States does not participate in this system; its ships are identified by unique hull classification symbols.

Participating countries, with their assigned number ranges,[3][4] include:

  • Argentina — (D: 1x, 2x; P: 3x, 4x; S: 2x, 3x; C: x; V: x)
  • Australia (formerly incorporated into the Royal Navy system until 1969; now uses a system based on the RN pennant number format and U.S. hull classification symbols)[5]
  • Belgium — (A:9xx; F: 9xx; M: 9xx; P:9xx)
  • Denmark — (N: 0xx; A/M/P: 5xx; F/S/Y: 3xx; L: 0xx)
  • France — (R: 9x; C/D/S: 6xx; F: 7xx; M/P/A: 6xx, 7xx; L: 9xxx)
  • Germany — (A: 5x, 51x, 14xx; D: 1xx; F: 2xx; L: 76x; M: 10xx, 26xx; P: 61xx; S: 1xx)
  • Greece — (D/P: 0x, 2xx; A/F: 4xx; L/S/M: 1xx)
  • Italy — (5xx; D 5xx; F 5xx; P 4xx; 5xxx; A 5xxx; L 9xxx; Y 5xx; S 5xx)
  • Kenya
  • Malaysia
  • New Zealand (F111-HMNZS Te Mana)
  • Netherlands (8xx; Y: 8xxx)
  • Norway (F/S/M: 3xx; P: 9xx; L: 45xx)
  • Portugal (F/M: 4xx; S: 1xx; P: 11xx0)
  • Spain (A: xx, F: 0x 1x 2x.., R: 01, 11, L: 0x, 1x.., P: 0x, 1x.., Y: xxx)
  • Sri Lanka
  • South Africa
  • Turkey (D/S: 3xx; F: 2xx; N: 1xx; A/M: 5xx; P: 1xx, 3xx, L: 4xx; Y: 1xxx)
  • United Kingdom (R: 0x; D: 0x & 1xx; F: 0x, 1xx, 2xx; S: 0x, 1xx; M: 0x, 1xx, 1xxx, 2xxx; P: 1xx, 2xx, 3xx; L: 0x, 1xx, 3xxx, 4xxx; A: any)

The NATO pennant number system added the Y (for yard) symbol for tugboats, floating cranes, docks and the like.

International Deck Codes

Royal Navy

The Royal Navy uses a single letter (typically the first letter of the ship's name) for aircraft carriers and large vessels operating aircraft, and pairs of letters (usually, letters from the ship's name) for smaller vessel.

Albion class

  • HMS Albion — AN
  • HMS Bulwark — BK

 River class

  • HMS Forth — FH
  • HMS Medway — MY
  • HMS Trent — TT
  • HMS Tamar — TM
  • HMS Spey — SP

 Daring class

  • HMS Daring — DA
  • HMS Dauntless — DT
  • HMS Diamond — DM
  • HMS Dragon — DN
  • HMS Defender — DF
  • HMS Duncan — DU

 Duke class 

  • HMS Argyll — AY
  • HMS Lancaster — LA
  • HMS Iron Duke — IR
  • HMS Montrose — MR
  • HMS Westminster — WM
  • HMS Northumberland — NL
  • HMS Richmond — RM
  • HMS Somerset — SM
  • HMS Sutherland — SU
  • HMS Kent — KT
  • HMS Portland — PD
  • HMS St Albans — SB

 Invincible class

  • HMS Invincible — N
  • HMS Illustrious — L
  • HMS Ark Royal — R

 Queen Elizabeth class

  • HMS Queen Elizabeth — Q
  • HMS Prince of Wales — P

 Bay class

  • RFA Cardigan Bay — CB
  • RFA Lyme Bay — YB
  • RFA Mounts Bay — MB

 Tide class

  • RFA Tidespring — TS
  • RFA Tiderace — TR
  • RFA Tidesurge — TU
  • RFA Tideforce — TF

 Wave class

  • RFA Wave Knight — WK
  • RFA Wave Ruler — WR

 Fort Rosalie Class

  • RFA Fort Rosalie — FR
  • RFA Fort Austin — FA

Individual ships

Royal Netherlands Navy

 De Zeven Provinciën class

  • HNLMS De Zeven Provinciën — ZP
  • HNLMS Tromp — TR
  • HNLMS De Ruyter — DR
  • HNLMS Evertsen — EV

 Holland class

  • HNLMS Holland — HL
  • HNLMS Zeeland — ZL
  • HNLMS Friesland — FR
  • HNLMS Groningen — GR

Amphibious support ships

Royal Canadian Navy

 Halifax class

  • HMCS Halifax — HX
  • HMCS Vancouver — VR
  • HMCS Ville de Québec — VC
  • HMCS Toronto — TO
  • HMCS Regina — RA
  • HMCS Calgary — CY
  • HMCS Montréal — ML
  • HMCS Fredericton — FN
  • HMCS Winnipeg — WG
  • HMCS Charlottetown — CN
  • HMCS St. John's — SJ
  • HMCS Ottawa (FFH 341) — OA

Harry DeWolf-class

  • HMCS Harry DeWolf — HF
  • HMCS Margaret Brooke — ME
  • HMCS Max Bernays — MS
  • HMCS William Hall — WL
  • HMCS Frédérick Rolette — FE

(Deck codes of decommissioned ships)

St. Laurent-class

  • HMCS St. Laurent — ST
  • HMCS Saguenay — SY
  • HMCS Skeena — SA
  • HMCS Ottawa (DDH-229) — OA
  • HMCS Margaree — ME
  • HMCS Fraser — FR
  • HMCS Assiniboine — AE

Annapolis-class

  • HMCS Annapolis — AS
  • HMCS Nipigon — NN

Iroquois-class

  • HMCS Iroquois — IS
  • HMCS Huron — HN
  • HMCS Athabaskan — AN
  • HMCS Algonquin — AL

HMCS Provider — PR

Protecteur-class

  • HMCS Protecteur — PT
  • HMCS Preserver — PS

Egyptian Navy

  • ENS Anwar El Sadat — AS
  • ENS Gamal Abdel Nasser — GN
  • ENS Tahya Misr — TM
  • ENS El Fateg — FT

German Navy

 Braunschweig class

  • Braunschweig — BS
  • Magdeburg — MD
  • Erfurt — EF
  • Oldenburg — OL
  • Ludwigshafen am Rhein — LR

Sachsen-class frigate

  • Sachsen — SN
  • Hamburg — HA
  • Hessen — HE

Auxiliary ships

  • Main — MA
  • Mosel — MO

French Navy

Charles de Gaulle aircraft carrier

  • FS Charles de Gaulle - G

 Mistral class

  • FS Tonnerre — TO
  • FS Dixmude — DX
  • FS Mistral — MI

 Horizon class

  • FS Forbin — FB
  • FS Chevalier Paul — PL

 Aquitaine class

  • FS Aquitaine — QN
  • FS Provence — PC
  • FS Languedoc — LD
  • FS Auvergne — VG
  • FS Bretagne — BT

 La Fayette class

  • FS La Fayette — YE
  • FS Surcouf — SF
  • FS Courbet — CO
  • FS Aconit — AT
  • FS Guépratte — GT

Royal New Zealand Navy

  • HMNZS Otago — OTA
  • HMNZS Canterbury — CAN

Portuguese Navy

Vasco da Gama class

  • NRP Vasco da Gama — VG
  • NRP Corte Real — CR
  • NRP Álvares Cabral — AC

Bartolomeu Dias class

  • NRP Bartolomeu Dias — BD
  • NRP Dom Francisco de Almeida — FA

Indonesian Navy

The Indonesian Navy uses a three letter deck code only for frigates and LPDs. The letters usually consist of first letter, third letter, and fourth letter (or last letter) of the ship's name

Ahmad Yani Class

  • KRI Ahmad Yani — AMY
  • KRI Oswald Siahaan — OWA
  • KRI Karel Satsuit Tubun — KST
  • KRI Abdul Halim Perdanakusumah — AHP
  • KRI Slamet Riyadi — SRI
  • KRI Yos Sudarso — YSO

Martadinata Class

  • KRI Raden Eddy Martadinata — REM
  • KRI I Gusti Ngurah Rai — GNR

Bung Tomo Class

  • KRI Bung Tomo —BTO
  • KRI John Lie — JLI
  • KRI Usman Harun — USH

Fatahillah Class Corvette

  • KRI Fatahillah — FTI
  • KRI Malayahati — MLH
  • KRI Nala — NLA

Makassar- Class

  • KRI Makassar — MKS
  • KRI Banda Aceh — BAC
  • KRI Surabaya — SBY
  • KRI Banjarmasin — BJM
  • KRI Semarang — SMR

Cakra Class

  • KRI Cakra — CKA
  • KRI Nanggala — NGA

Nagapasa Class

  • KRI Nagapasa — NPS
  • KRI Ardadedali — ARD
  • KRI Alugoro — AGR

Diponegoro Class

  • KRI Diponegoro-DPN
  • KRI Sultan Iskandar Muda-SIM
  • KRI Frans Kaisiepo-FKO
  • KRI Sultan Hasanuddin-HSN

See also

References

  1. ^ Perrin, william Gordon (1922). British Flags, Their Early History, and Their Development at Sea: With an Account of the Origin of the Flag as a National Device. Cambridge University Press archive. p. 202.
  2. ^ a b Mason, Geoffrey B. (2007). Royal Navy Pendant Numbers. {{cite book}}: |website= ignored (help)
  3. ^ "sci.military.naval FAQ, Part B – General Terminology & Definitions". Hazegray.org. 2002-04-28. Retrieved 2013-10-08.
  4. ^ "ACP 113 (AI) Call Sign Book for Ships" (PDF). CCEB. January 2012. pp. 199–226. Archived from the original (PDF) on 28 August 2017. Retrieved 25 August 2017.
  5. ^ Jones, Peter (2001). "Towards Self Reliance". In Stevens, David (ed.). The Royal Australian Navy. The Australian Centenary History of Defence (vol III). South Melbourne, VIC: Oxford University Press. p. 213. ISBN 0-19-554116-2. OCLC 50418095.

External links

This page was last edited on 9 January 2024, at 15:44
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