Delvar-class vessel

{{Infobox ship image

|Ship image=US Navy 100820-N-6003P-637 Eight mariners board the Iranian navy ship Chiroo from a rigid-hull inflatable boat from the aircraft carrier USS Harry S. Truman (CVN 75) (cropped).jpg}}

{{Infobox ship class overview

|Builders=Karachi Shipyard & Engineering Works, Pakistan

|Operators=Islamic Republic of Iran Navy

|Class before=

|Class after=

|Subclasses=

|Built range=1980–1982

|In commission range=

|Total ships planned=

|Total ships on order=

|Total ships building=

|Total ships completed=7

|Total ships cancelled=

|Total ships active=7

|Total ships laid up=

|Total ships lost=

|Total ships retired=

|Total ships scrapped=

|Total ships preserved=

}}

{{Infobox ship characteristics

|Ship type=Auxiliary ship

|Ship tonnage=*904 GT

777 DWT

|Ship length={{convert|64|m|ftin|0|abbr=on}}

|Ship beam={{convert|10.5|m|ftin|0|abbr=on}}

|Ship draught={{convert|3.3|m|ftin|0|abbr=on}}

|Ship power=Diesel

|Ship propulsion=*2 × MAN G6V 23.5/33ATL, {{convert|1,560|hp|MW}}

2 × shafts

|Ship speed={{convert|11|kn|km/h}}

|Ship range=

|Ship complement=20

|Ship notes=

}}

The Delvar class ({{langx|fa|دلوار}}) is a series of auxiliary ships built by the Karachi Shipyard & Engineering Works for the Islamic Republic of Iran Navy.

Design

= Dimensions and machinery =

The ships have gross tonnage of 904 tonnes and their deadweight tonnage is {{convert|777|t|LT|abbr=on}}. The class design is {{convert|64|m|ftin|abbr=on}} long, would have a beam of {{convert|10.5|m|ftin|abbr=on}} and a draft of {{convert|3.3|m|ftin|abbr=on}}. It uses two shafts, powered by two MAN G6V 23.5/33ATL diesel engines. This system was designed to provide {{convert|1,560|hp|MW|lk=on}} for an estimated top speed of {{convert|11|kn|lk=in}}.

= Sensors and processing systems =

For navigation, Delvar-class vessels rely on Decca 1226 on IJ-band.

= Armament =

Delvar-class vessels are reportedly equipped with one 20 mm GAM-BO1 cannon and two 12.7 mm machine guns. The ships have been rearmed.

File:Velayat 94 - Last day (82).jpg|The gun installed on the forecastle

Ships in the class

Known ships in commission the class are:{{citation|editor1-last= Saunders|editor1-first=Stephen|editor2-last=Philpott|editor2-first=Tom|chapter=Iran|title=IHS Jane's Fighting Ships 2015–2016|publisher =IHS Jane's|location=Coulsdon|date=2015|edition=116th Revised|series=Jane's Fighting Ships|page=393|ISBN=9780710631435|OCLC=919022075|ref={{harvid|Jane's Fighting Ships|2015–2016}}}}

class="wikitable"
Ship ! Namesake ! Pennant number ! Type ! Status
{{Ship\|IRIS\|Deylam\|424\|2}} \| Bandar Deylam \| 424 \| AWI \| In service
{{Ship\|IRIS\|Delvar\|471\|2}} \| Delvar \| 471 \| AEL \| In service
{{Ship\|IRIS\|Sirjan\|472\|2}} \| Sirjan \| 472 \| AEL \| In service
{{Ship\|IRIS\|Charak\|481\|2}} \| Bandar Charak \| 481 \| AKL \| In service
{{Ship\|IRIS\|Chiroo\|482\|2}} \| Bandar-e Chiruiyeh \| 482 \| AKL \| In service
{{Ship\|IRIS\|Souru\|483\|2}} \| Souru \| 483 \| AKL \| In service
{{Ship\|IRIS\|Dayer\| \|2}} \| Bandar-e Deyr \| Unknown \| AWI \| In service

class="wikitable"

Ship

! Namesake

! Pennant number

! Type

! Status

| Bandar Deylam

| 424

| AWI

| In service

| Delvar

| 471