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In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

On Monday 30 April 2018, Wilko Jonker died after a long illness at the age of 58. He leaves behind a wife and two children. The Dutch military aviation and plastic modeling were his hobby and on this website he shared all the knowledge he has collected over the years. His hobby has been able to distract him from the persistent disease in his body until the last week of his life. The contacts with other hobbyists were a major support for him.

This website will be maintained by different people for as long as possible, so that other enthusiasts can continue to benefit from extensive content.

Lockheed P2V5 Neptune

History

The development of the P2V began in December 1941, but because the Lockheed PV-2 Harpoon was then in full production, progress was very slow. Only in 1943 US Navy placed an informal order for the construction of two prototypes designated XP-2V. A year later this order was official and an additional fifteen examples were ordered. In 1945 the first flight was made.

The first production model was delivered in 1946 and the type entered operational service in 1947.

The type proved to be easy to produce and to maintain and was used in several variants for a log period.

The Neptune was the US Navy's main submarine fighter until it was replaced by the Lockheed P-3 Orion.

For this task, the unit was equipped with sono-buoys; it was further equipped with turrets, each with two .50 inch machine guns in the nose and one on the back of the fuselage. Later versions were fitted with AN / ASQ-8 MAD in an extended tail; an AN / APS-20 radar in a radome under the fuselage.

The P-2V-5F was the first version that got two additional Westinghouse J-34 jet engines under the wing.

Versions.

XP2V-1:
Two prototypes with two Wright R-3350-8 radial engines each 2300 hp and two .50 in machine guns in the nose, dorsal turret and tail; up to 3600 kg bombs in an internal bomb bay.
P2V-1:
Initial production version, 14 examples built, with two Wright R-3350-8A radial engines each 2300 hp. Further facilities under the wing for 16 Hvar rockets of 130 mm or four 4 Tiny Tim rockets of 300mm
XP2V-2:
Adjusted fifth production P2V-1 with two Wright R-3350-24W radial engines with water injection.
P2V-2:
Second production version with two Wright R-2800 radial engines 3350-24W hp each with water injection. Nose Dome replaced by 'strafer'-nose with six fixed 20 mm cannons. There were 80 pieces built.
  • P2V-2N "Polar Bear": modified version for polar expeditions. Equipped with skis, RATO Facilities, Armament removed.
  • P2V-2S: One example of a version modified for ASW with an AN/APS-20 radar and extra fuel supply.
P2V-3:
Improved version with two Wright R-2400 radial engines 3350-26W hp each and equipped with 'jet exhausts. Built 53 pieces.
  • P2V-3B: Conversion of P2V-3 with an ASB-1 Low Level Radar Bombing System. Sixteen units are modified.
  • P2V-3C: Nuclear bomber for use from aircraft carrier. Equipped with JATO; nose and rugbewapening removed. Eleven pieces converted
  • P2V-3W: 30 examples of an AEW version with AN / APS-20 search radar.
  • P2V-3Z: Two P3V-2s converted for VIP transport.
P2V-4:
Improved submarine fighter with AN / APS-20 radar and provision for sono-buoys; tip tanks under the wing, the starboard tank with a searchlight. The first 25 aircraft had a Wright R-3200 3350-26WA engine horsepower, the last 27 examples were equipped wit two Wright R-3350-30W (with turbocomperession) of 3250 hp. From 1962 the remaining aircraft were referred to as P-2D.
P2V-5:
Improved version, 424 examples built, with two 20 mm cannon in the nose turret, two .50 inch in back and tail dome; larger releasable tip tanks, to nose dome attached searchlight in the starboard tank and an AN / PAS-8 radar in the port tank; an AN / APS-20 in a radome under the fuselage. Later, the nose dome was replaced by a glass scout nose and the tail dome was replaced by an extended tail with MAD (often also be applied to earlier versions)
  • Neptune MR.1: British designation for 52 aircraft delivered to the RAF.
  • P2V-5F: Version with two Wright R-3350-32W radial engines each 3250 hp and two Westinghouse J34 jet every 14.5 KN thrust. Four mounting points under the wing were omitted. Starting in 1962, designated as P-2E.
    • AP-2E: Five examples modified P2V-5Fs with special SIGINT / ELINT equipment.
    • NP-2E: One P-2E adapted as a permanent test device.
    • OP-2E: Twelve examples scouts specially adapted for use in South East Asia.
  • P2V-5FD: Adjusted P-2V5F for use with drones; all armament was removed. From 1962 referred to as DP-2E.
  • P2V-5FE: P2V-5F with additional electronic equipment, from 1962 known as EP-2E.
  • P2V-5FS: Twelve converted P2V-5Fs with Julie / Jezebel ASW from 1962 called SP-2E in 1962.
P2V-6:
Version with enlarged bomb bay, provision for laying mines and photo reconnaissance. Smaller AN / APS-70 radar in p last reviewed the AN / APS-20. Initially same armament as P2V5, but later also equipped with glass nose. 67 pieces built for Us Navy and Aeronavale. Starting in 1962, designated as P-2F.
  • P2V-6B: Sixteen examples built as a shipping facility for two fighters with AUM-N-2 Petrel anti-ship missiles, later read P2V-6M and designated in 1962 as MP-2F.
  • P2V-6F: P2V-6 with two Westinghouse J34 jet later applied every 14.5 KN thrust, since 1962 known as P-2G.
  • P2V-6T: Conversion for training purposes, armaments and tip tanks removed, since 1962 known as TP-2F..
P2V-7:
287 examples of the last version, built by Lockheed version; equipped with two Wright R-3250 3350-32W each HP and Westinghouse J34 jet of 14.5 KN thrust each; revised tip tanks, AN/APS-20 radar in a revised radome and a modified canopy. Starting in 1962, designated as P-2H
  • P2V-7B: 15 aircraft with gunnose for RNlNAS. Later converted to SP-2H with glass nose for anti-submarine warfare.
  • P2V-7LP: Four examples with wheel / ski undercarriage and JATO provision for use in polar regions, since 1962 designated as LP-2J.
  • P2V-7S: Modified version with additional ASW/ECM equipment, including Julie / Jezebel gear, from 1962 known as SP-2H.
  • AP-2H: Four aircraft converted into a heavy armed ground-attack version including FLIR and Low Light TV System; tail dome
  • DP-2H: converted P-2H for use with drones.
  • EP-2H: One converted P-2H UHF telemetry equipment
  • NP-2H: Conversion of one P-2H for testing purposes.
  • RB-69A: Five new and two converted aircraft for the CIA. By Us Navy designated as P2V-7U
  • CP-122 Neptune: Designation of RCAF without Westinghouse supplied.
Kawasaki P-2J (P2V-Kai):
82 examples built under license by Kawasaki with T64 turboprop and other improvements.

 

Technical information Lockheed P2V-5 Neptune
Dimensions:
Length: 24,87 m Wingspan: 31,65 m
Height: 8,55 m Wing area: 92 m2
Weights:
Empty weight: 18956 kg Max. start weight: 34573 kg
Performances:
Max. speed: 548 km/hr Climbing speed: - m/min
Cruising speed: 315 km/hr    
Range: 7650 km Service ceiling: 6227 m
Miscellaneous:
Engine type: Two Wright Cyclone R-3350-30W rated 2393 kW each
Crew: -
Armament: Two machine guns in nose; and two in dorsal turret. Bombs; Torpedoes

 


Information about Dutch aircraft.

 

The first Dutch Lockheed P2V-5 Neptune (1953-1962), arriving at naval Air Station Valkenburg in 1953.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
The first Dutch Lockheed P2V-5 Neptune (1953-1962). From left to right mr. Overvest and editor Avia-Vliegwereld Off. vlgr. Wolters.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Transfer of the first Lockheed P2V-5 to the Royal Netherlands Navy.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune, S-23
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune S-28
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Crew of a Lockheed P2V-5 Neptune at Naval Air Station Valkenburg, 1953
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5, Neptune (S-25) 19-25
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune S-25
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune in the early dark blue colour.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune flying over the Netherlands
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
smrtlgr H.C. van Wingerden in front of a Lockheed P2V-5 Neptune
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Ltzv2 P.J. Wingerden near the undercarriage of a Lockheed P2V-5 Neptune
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

Lockheed P2V-5 Neptune S-30
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune, S-32 
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune in the new white and grey colour scheme.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune S-24 with crew.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

Lockheed P2V-5 Neptune 093 (ex S 28)
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune 086 (ex S 21)
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Lockheed P2V-5 Neptune 095 (ex S 30)
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

 


Lockheed P2V5 Neptune
Serial2nd SerialUS-Fiscal Year-nrConstruction nr.Date in serviceDate out of serviceNotes
Delivered under MDAP. Returned to MAAG an overhauled at Aviolanda. Went to Portugal.
S-21 087 134671 426-5273 08-12-1953 09-03-1962  
S-22 088 134672 426-5274 16-12-1953 07-06-1961  
S-23 088 134673 426-5275 15-12-1953 04-06-1960  
S-24 089 134674 426-5276 21-01-1954 03-02-1961  
S-25 090 134675 426-5277 23-12-1953 20-07-1961  
S-26 091 134676 426-5278 21-01-1954 21-04-1960  
S-27 092 134718 426-5279 21-01-1954 06-10-1960  
S-28 093 134719 426-5280 21-01-1954 09-01-1961  
S-29 094 134720 426-5281 24-02-1954 07-12-1961  
S-30 095 134721 426-5282 25-02-1954 02-12-1960  
S-31 096 134722 426-5283 24-02-1954 29-07-1960  
S-32 097 134723 426-5284 24-02-1954 18-04-1961  

 


In principle, any model of a Lockheed P2V-7 Neptune van be used as the basis for a Lockheed P2V-5.
For a machine of the MLD, the jet engines can be omitted. Furthermore, the nose section needs to be adjusted. However, note that the nose in the Falcon conversion kit is not correct!
In 'Modelbouw in Plastic", nr 1 January, 1990 contains an article about the conversion of the Hasegawa kit into a Lockheed P2V-5. You can use the IPMS website for information on how to get copy of this article.

1/72nd Scale

Kits

  • Hasegawa
    • Kit JS-082 / K6 / K006: 1800 / 00154 / 0897d / 00767d / 2401902 / ...: Several different releases of the same kit. Kit 767 has an additional gunnose and decals for aircraft of the Dutch RNlNAS.
  • Revell
    • Kit 04628d: The same kit as the Hasegawa kit, released with decals for a overall grey aircraft of the Dutch RNlNAS.
  • FROG
    • Kit F284 3: In fact the same kit as the Hasegawa kit.
Lockheed P2V 5 Neptune AKleijn
A model of a Lockheed P2V-5 Neptune in delivery scheme, built by Adri Kleijn.

 

Modelling add-on

  • Aeroclub
    • Set V205: Lockheed Neptune Landing Gear
    • Set P109: P2 Neptune Props
  • Eduard
    • Set E72-364: Detailing set Detailset P2V-7 Neptune.
    • Set E72-365: Detailing set P2V-7 Neptune Bombbay
  • Scale Aircraft Conversions
    • Set 72015: Lockheed P2V-7 Neptune Landing Gear (Hasegawa/Revell)

Decals

  • Dutch Decal
    • Set 72009: Set for aircraft like Lockheed SP-2H 204/V; 214/V; Neptune P2V-5: 19-32 (grey /white paint scheme)
    • Set 72010: Contains additions for set 72009.
    • Set 72018: Decalset for aircraft such as Neptune P2V-5: 19-25 (overall blue scheme).
    • Set 72021: Reprint of set 72009 plus additions.

1/48th Scale

Kits

  • --
    • Kit --: --

Modelling add-on

  • --
    • Set --: --

Decals

  • --
    • Set --: --

 


SchemeColour nameFS numberBS numberRALHumbrolXtraColorVallejo Model ColorVallejo Model AirHataka
Standard #1overall Glossy Dark Sea Blue ANA 623 ~5042     181 X121 70.898   ~001
 
Standard #2Upper surfaces Sea Grey Medium ~6270 BS 637   126 X133 70.870 71.275 ~054
Undersides White ~7875   9001 34   70.842 71.279 ~049

Check www.paint4models.com for an extensive conversion table with lots of colour and paint systems.

Kleurenschema Lockheed P2V5 Neptune 1.
Delivery scheme Lockheed P2V-5 Neptune, overall glossy Dark Sea Blue.
Kleurenschema Lockheed P2V5 Neptune 2.
Lockheed P2V-5 Neptune the second, white and grey scheme.
Kleurenschema Lockheed P2V5 Neptune 1.
Lockheed P2V-5 Neptune with the new serial system applied from September 1959 and on.

 


Literature.

Zestig jaar Marineluchtvaartdienst in Beeld. Hugo Hooftman Pag. 140 - 145; 143 1977 Uitgever: Europese Bibliotheek, Zaltbommel
Dutch Military Aviation 1945-1978 Paul A. Jackson Pag. 78; 89 1978 Uitgever: Midland Countries Publications, Leicester
Nederlandse Marinevliegtuigen Thijs Postma & Nico Geldhof Pag. 54; 56; 66; 70 - 71 1978 Uitgever: Omniboek, 's Gravenhage
AVIA: 41e jaargang nummer 1: Komen en gaan op Soesterberg: Oudste Neptune nu museumstuk   Pag. 38 1982 Uitgevers Wyt, Rotterdam
De geschiedenis van squadron 321 Nooit op de tweede plaats Rijnhout, Bart M. Pag. 40 - 44 1984 Uitgever: De Bataafsche Leeuw, Amsterdam
Aircraft Number 68 P2V Neptune in action. Jim Sullivan Pag. 27 - 37; 43 - 47 1985 Uitgever: Squadron/Signal Publications Inc., Carrolton, Texas
70 Jaar Marine-LuchtvaartDienst Nico Geldhof Pag. 104; 123 - 125; 134 - 135 1987 Uitgeverij Eisma b.v., Leeuwarden
Vliegen voor de Vloot 70 jaar Marineluchtvaartdienst Harm J. Hazewinkel Pag. 54 1987 Uitgever: Rebo Produkties, Sassenheim
Vliegtuigsquadrons 320 en 321 50 jaar P. Staal & Peter Baeten Pag. 60 - 61; 74 - 87 1990 Uitgever: Afdeling Maritieme Historie van Min.v.Def., 's Gravenhage
Modelbouw in Plastic jaargang 19, nummer 1: Lockheed P2V-5 Neptune Schönfeld, Maarten Pag. 2 - 10 1990 Uitgever: I.P.M.S. Nederland, Nederland
Nederlandse Militaire Luchtvaart 10 Lockheed P2V-5 Neptune Nico Geldhof Pag. 1992 Uitgever: St. Vrienden v.h. Mil. Luchtv. Museum, Soesterberg
Luchtvaartwereld; 9e jaargang nummer 9: Nep-fighters boven Nieuw-Guinea Nico Geldhof Pag. 255 - 263 1992 Uitgeverij Ten Brink, Meppel
Nederlandse Militaire Luchtvaart 11 Lockheed P2V-7B Neptune Nico Geldhof Pag. 1992 Uitgever: St. Vrienden v.h. Mil. Luchtv. Museum, Soesterberg
Uchtvaartwereld; 9e jaargang nummer 10: Lockheed SP-2H, vliegende onderzeebootjager Nico Geldhof Pag. 288 - 296 1992 Uitgeverij Ten Brink, Meppel
Camouflage en Kentekens J.Greuter e.a.   1997 Bonneville – Bergen (NH)
85 Jaar Marineluchtvaartdienst in beeld Van Farman tot NH 90 Helikopter Peter Korbee Pag. 112 - 113; 136 - 137; 140 - 141 2002 Uitgever: Korbee MLD Promotie, Valkenburg/td>

 

Websites.

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