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<!-- 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=Be-4
|name=Be-4
|image=
|image=KOR-2-Molotov1941.jpg
|caption= Be-4 on the [[Soviet cruiser Molotov]], 1941.
|caption=
|type=Reconnaissance flying boat
|type=Reconnaissance flying boat
|manufacturer=[[Beriev]]
|manufacturer=[[Beriev]]
|designer=
|designer=
|first flight=[[1941 in aviation|1941]]
|first_flight=21 October [[1940 in aviation|1940]]
|introduction=1942
|introduced=
|retired=
|retired=
|status=
|status=
|primary_user=[[Soviet Naval Aviation]]
|primary user=
|more users=
|more_users=
|produced=
|produced=
|number built=ca. 100
|number_built=ca. 47
|variants with their own articles=
|variants=
}}
}}

The '''Beriev Be-4''' (originally designated '''KOR-2''') was a [[reconnaissance]] flying boat built to operate from Soviet warships during [[World War II]]. Its development was a direct result of the failure of the [[Beriev Be-2]] design. 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]]. This aircraft had none of the vices of the Be-2 and was quickly put into production. However, not many had been completed before the fall of [[Sevastopol]] and the over-running of the Beriev factory. Production was resumed in [[1943 in aviation|1943]] at [[Krasnoyarsk]], which is where most of the roughly 100 examples were constructed.
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==
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.

==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==
==Operators==
*{{USSR}} : [[Soviet Naval Avaition]]
;{{USSR}}
*[[Soviet Naval Aviation]]

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


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

|crew=three
|crew=three
|capacity=
|length m=10.50
|length m=10.50
|length ft=34
|length ft=34
Line 35: Line 47:
|span ft=39
|span ft=39
|span in=4
|span in=4
|dia m=<!-- helicopters -->
|dia ft=<!-- helicopters -->
|dia in=<!-- helicopters -->
|height m=4.05
|height m=4.05
|height ft=13
|height ft=13
Line 43: Line 52:
|wing area sqm=25.5
|wing area sqm=25.5
|wing area sqft=274
|wing area sqft=274
|rot area sqm=<!-- helicopters -->
|rot area sqft=<!-- helicopters -->
|aspect ratio=<!-- sailplanes -->
|empty weight kg=2,082
|empty weight kg=2,082
|empty weight lb=4,590
|empty weight lb=4,590
|gross weight kg=2,760
|gross weight kg=2,760
|gross weight lb=6,085
|gross weight lb=6,085

|eng1 number=1
|eng1 number=1
|eng1 type=[[Shvetsov M-62]] radial
|eng1 name=[[Shvetsov M-62]] radial
|eng1 kw=<!-- prop engines -->746
|eng1 kw=<!-- prop engines -->746
|eng1 hp=<!-- prop engines -->1,000
|eng1 hp=<!-- prop engines -->1,000
|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=356
|max speed kmh=356
|max speed mph=221
|max speed mph=221
|max speed mach=<!-- for supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|range km=1,150
|range km=1,150
|range miles=716
|range miles=716
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=8,100
|ceiling m=8,100
|ceiling ft=26,575
|ceiling ft=26,575
⚫
|armament = *1 × trainable 7.62 mm ShKAS machine gun for observer
|glide ratio=<!-- sailplanes -->
⚫
*up to 300 kg (661 lb) of bombs or depth charges
|climb rate ms=
}}
|climb rate ftmin=

|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->


==See also==
|armament1=1 &times; fixed, forward-firing 7.62 mm [[ShKAS machine gun]]
{{aircontent
⚫
|armament2=1 &times; trainable 7.62 mm ShKAS machine gun for observer
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
⚫
|armament3=up to 400 kg (880 lb) of bombs or depth charges
|related=<!-- related developments -->
|armament4=
|similar aircraft=<!-- similar or comparable aircraft -->
|armament5=
|sequence=<!-- designation sequence, if appropriate -->
|armament6=
|lists=<!-- related lists -->
* [[List of aircraft of World War II]]
}}
}}


Line 97: Line 85:
* {{cite book |title=World Aircraft Information Files |publisher=Bright Star Publishing|location=London |pages=File 890 Sheet 26 }}
* {{cite book |title=World Aircraft Information Files |publisher=Bright Star Publishing|location=London |pages=File 890 Sheet 26 }}


==External links==
⚫
{{Beriev aircraft}}
{{Commons category|Beriev Be-4}}
{{aviation lists}}
* [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}}
⚫
[[Category:Soviet military reconnaissance aircraft 1940-1949]]
{{Soviet scout designations}}
⚫
[[Category:Seaplanes and flying boats]]
{{WWIIUSSRAF}}
⚫
[[Category:Beriev aircraft]]
[[Category:Propeller aircraft]][[Category:Single engine aircraft]]
⚫
[[Category:High wing aircraft]]


[[cs:Berijev Be-4]]
[[Category:Beriev aircraft|Be-0004]]
⚫
[[Category:1940s Soviet military reconnaissance aircraft]]
[[de:Berijew Be-4]]
⚫
[[Category:Flying boats]]
[[pl:Be-4]]
[[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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