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{{inuse}}
__NOTOC__
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{{Infobox Aircraft
{{Infobox aircraft
|name=
|name=Be-4
|image=
|image=KOR-2-Molotov1941.jpg
|caption= Be-4 on the [[Soviet cruiser Molotov]], 1941.
|caption=
|type=
|type=Reconnaissance flying boat
|manufacturer=
|manufacturer=[[Beriev]]
|designer=
|designer=
|first_flight=21 October [[1940 in aviation|1940]]
|first flight=
|introduction=1942
|introduced=
|retired=
|retired=
|status=
|status=
|primary_user=[[Soviet Naval Aviation]]
|primary user=
|more users=
|more_users=
|produced=
|produced=
|number_built=ca. 47
|number built=
|variants with their own articles=
|variants=
}}
}}
<!-- ==Development== -->


The '''Beriev Be-4''' (originally designated '''KOR-2''') was a [[reconnaissance]] [[flying boat]] built to operate from [[Soviet Navy|Soviet warships]] during [[World War II]].


==Design and development==
<!-- ==Operational history== -->
In 1939, Beriev was ordered to develop a successor to the [[Beriev Be-2|KOR-1]] design, which would overcome the numerous problems encountered in operational experience with that design. The new aircraft, with the in-house designation KOR-2, first flew on 21 October 1940 at the Beriev factory in [[Taganrog]].


The Be-4 was an elegant, parasol-winged [[monoplane]] with a slight inverse-gull wing. The large [[radial engine]] was mounted in a [[nacelle]] above the [[fuselage]].


Testing continued through January 1941, when series production was ordered under the designation Be-4, at a factory near Moscow. However, due to the start of [[World War II]], only two aircraft were completed. The factory was dismantled, and evacuated to [[Omsk]], then to [[Krasnoyarsk]], where production resumed in May 1943 to the end of 1945. A total of 47 aircraft were eventually completed.
<!-- ==Variants== -->


==Operational history==
The Be-4 was placed into operational service with the [[Russian Black Sea Fleet]] from 1942, where it was used for coastal reconnaissance, anti-submarine and transport duties. It was also used on the cruisers [[Soviet cruiser Maxim Gorky|''Maxim Gorki'']] and [[Soviet cruiser Kirov|''Kirov'']].


==Operators==
<!-- ==Aircraft markings== -->
;{{USSR}}

*[[Soviet Naval Aviation]]


<!-- ==Units using this aircraft/Operators (choose)== -->
<!-- ==Units using this aircraft/Operators (choose)== -->


==Specifications==

[[File:Beriev Be-4 draw.gif|thumb]]
<!-- ==Specifications (variant) == -->
{{Aircraft specs
{{aerospecs
|prime units? = met
|met or eng?=<!-- eng for US/UK aircraft, met for all others -->
|crew=three

|length m=10.50
|crew=
|length ft=34
|capacity=
|length m=
|length in=5
|span m=12.00
|length ft=
|length in=
|span ft=39
|span m=
|span in=4
|height m=4.05
|span ft=
|span in=
|height ft=13
|height in=3
|dia m=<!-- helicopters -->
|wing area sqm=25.5
|dia ft=<!-- helicopters -->
|wing area sqft=274
|dia in=<!-- helicopters -->
|empty weight kg=2,082
|height m=
|empty weight lb=4,590
|height ft=
|gross weight kg=2,760
|height in=
|gross weight lb=6,085
|wing area sqm=
|eng1 number=1
|wing area sqft=
|eng1 name=[[Shvetsov M-62]] radial
|rot area sqm=<!-- helicopters -->
|rot area sqft=<!-- helicopters -->
|eng1 kw=<!-- prop engines -->746
|aspect ratio=<!-- sailplanes -->
|eng1 hp=<!-- prop engines -->1,000
|max speed kmh=356
|empty weight kg=
|max speed mph=221
|empty weight lb=
|range km=1,150
|gross weight kg=
|range miles=716
|gross weight lb=
|ceiling m=8,100

|ceiling ft=26,575
|eng1 number=
|armament = *1 × trainable 7.62 mm ShKAS machine gun for observer
|eng1 type=
*up to 300 kg (661 lb) of bombs or depth charges
|eng1 kw=<!-- prop engines -->
|eng1 hp=<!-- prop engines -->
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|eng2 number=
|eng2 type=
|eng2 kw=<!-- prop engines -->
|eng2 hp=<!-- prop engines -->
|eng2 kn=<!-- jet/rocket engines -->
|eng2 lbf=<!-- jet/rocket engines -->
|eng2 kn-ab=<!-- afterburners -->
|eng2 lbf-ab=<!-- afterburners -->

|max speed kmh=
|max speed mph=
|max speed mach=<!-- for supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|range km=
|range miles=
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=
|ceiling ft=
|glide ratio=<!-- sailplanes -->
|climb rate ms=
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->

|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}
}}


<!-- ==References== -->


==See also==

<!-- ==External links== -->


==Related content==
{{aircontent
{{aircontent
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->

|related=<!-- related developments -->
|related=<!-- related developments -->

|similar aircraft=<!-- similar or comparable aircraft -->
|similar aircraft=<!-- similar or comparable aircraft -->

|sequence=<!-- designation sequence, if appropriate -->
|sequence=<!-- designation sequence, if appropriate -->

|lists=<!-- related lists -->
|lists=<!-- related lists -->
* [[List of aircraft of World War II]]
}}


==References==
|see also=<!-- other relevant information -->
* {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London |pages=153 }}
* {{cite book |title=World Aircraft Information Files |publisher=Bright Star Publishing|location=London |pages=File 890 Sheet 26 }}


==External links==
}}
{{Commons category|Beriev Be-4}}
* [http://www.century-of-flight.freeola.com/Aviation%20history/photo_albums/timeline/ww2/2/Beriev%20KOR%202%20Be%204.htm Beriev KOR 2 Be 4] at Century of Flight
* [http://www.ctrl-c.liu.se/misc/RAM/kor-2.html Be-4, KOR-2 by G.M.Beriev] {{Webarchive|url=https://web.archive.org/web/20160304034212/http://www.ctrl-c.liu.se/misc/RAM/kor-2.html |date=2016-03-04 }} at Russian Aviation Museum

{{Beriev aircraft}}
{{Soviet scout designations}}
{{WWIIUSSRAF}}


[[Category: ]]
[[Category:Beriev aircraft|Be-0004]]
[[Category:1940s Soviet military reconnaissance aircraft]]
[[Category:Flying boats]]
[[Category:Single-engined tractor aircraft]]
[[Category:Parasol-wing aircraft]]
[[Category:Aircraft first flown in 1940]]
[[Category:Inverted gull-wing aircraft]]

Latest revision as of 18:57, 16 September 2024

Be-4
Be-4 on the Soviet cruiser Molotov, 1941.
General information
TypeReconnaissance flying boat
ManufacturerBeriev
Primary userSoviet Naval Aviation
Number builtca. 47
History
Introduction date1942
First flight21 October 1940

The Beriev Be-4 (originally designated KOR-2) was a reconnaissance flying boat built to operate from Soviet warships during World War II.

Design and development

[edit]

In 1939, Beriev was ordered to develop a successor to the KOR-1 design, which would overcome the numerous problems encountered in operational experience with that design. The new aircraft, with the in-house designation KOR-2, first flew on 21 October 1940 at the Beriev factory in Taganrog.

The Be-4 was an elegant, parasol-winged monoplane with a slight inverse-gull wing. The large radial engine was mounted in a nacelle above the fuselage.

Testing continued through January 1941, when series production was ordered under the designation Be-4, at a factory near Moscow. However, due to the start of World War II, only two aircraft were completed. The factory was dismantled, and evacuated to Omsk, then to Krasnoyarsk, where production resumed in May 1943 to the end of 1945. A total of 47 aircraft were eventually completed.

Operational history

[edit]

The Be-4 was placed into operational service with the Russian Black Sea Fleet from 1942, where it was used for coastal reconnaissance, anti-submarine and transport duties. It was also used on the cruisers Maxim Gorki and Kirov.

Operators

[edit]
 Soviet Union


Specifications

[edit]

General characteristics

  • Crew: three
  • Length: 10.50 m (34 ft 5 in)
  • Wingspan: 12.00 m (39 ft 4 in)
  • Height: 4.05 m (13 ft 3 in)
  • Wing area: 25.5 m2 (274 sq ft)
  • Empty weight: 2,082 kg (4,590 lb)
  • Gross weight: 2,760 kg (6,085 lb)
  • Powerplant: 1 × Shvetsov M-62 radial , 746 kW (1,000 hp)

Performance

  • Maximum speed: 356 km/h (221 mph, 192 kn)
  • Range: 1,150 km (716 mi, 622 nmi)
  • Service ceiling: 8,100 m (26,575 ft)

Armament

  • 1 × trainable 7.62 mm ShKAS machine gun for observer
  • up to 300 kg (661 lb) of bombs or depth charges


See also

[edit]

Related lists

References

[edit]
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 153.
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 26.
[edit]
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