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EKW D-3801 (MS.412)

Single-Seat, Single-Engine Monoplane Fighter

EKW D-3801 (MS.412)

Single-Seat, Single-Engine Monoplane Fighter

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
MEDIA
OVERVIEW



Over 200 of the French-originated MS.412 fighter were built by Switzerland for the Swiss Air Force in World War 2 - the aircraft known locally as the D-3801.
National Flag Graphic
ORIGIN: Switzerland
YEAR: 1941
STATUS: Retired, Out-of-Service
MANUFACTURER(S): Eidgenossisches Flugzeugwerke; Dornier-Werke AG (DOFLUG); SWS - Switzerland / Morane-Saulnier - France
PRODUCTION: 207
OPERATORS: Switzerland (retired)
SPECIFICATIONS



Unless otherwise noted the presented statistics below pertain to the EKW D-3801 model. Common measurements, and their respective conversions, are shown when possible.
CREW: 1
LENGTH: 26.74 feet (8.15 meters)
WIDTH: 34.94 feet (10.65 meters)
HEIGHT: 10.89 feet (3.32 meters)
WEIGHT (EMPTY): 4,685 pounds (2,125 kilograms)
WEIGHT (MTOW): 5,997 pounds (2,720 kilograms)
ENGINE: 1 x Hispano-Suiza 12Y51 inline piston engine developing 1,050 horsepower and driving a three-bladed propeller unit at the nose.
SPEED (MAX): 332 miles-per-hour (535 kilometers-per-hour; 289 knots)
RANGE: 746 miles (1,200 kilometers; 648 nautical miles)
CEILING: 31,168 feet (9,500 meters; 5.90 miles)
RATE-OF-CLIMB: 3,300 feet-per-minute (1,006 meters-per-minute)
ARMAMENT



1 x 20mm Hispano-Suiza HS.404 autocannon firing through the propeller hub.
4 x 7.5mm machine guns (belt-fed) in wings.
Graphical image of an aircraft medium machine gun
Graphical image of an aircrat automatic cannon
VARIANTS



Series Model Variants
• D-3801 - Base Series Designation based in the French Morane-Saulnier MS.412 prototype.


HISTORY



Detailing the development and operational history of the EKW D-3801 (MS.412) Single-Seat, Single-Engine Monoplane Fighter.  Entry last updated on 1/20/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
The Swiss Air Force was one of the interested parties of the pre-World War 2 French Morane-Saulnier MS.406 fighter design. The line began with the MS.405 and graduated to become the production-quality MS.406 and, to this, the family evolved to include several one-off forms and other production standards - including the MS.406H serving the Swiss Air Force during the war as the "D-3800" (detailed elsewhere on this site).

Another entry into the Swiss MS.406 story became the "MS.412" - known locally as the "D-3801". This was a further modification of the MS.406 line that switched to the Hispano-Suiza 12Y-51 inline engine of 1,050 horsepower (take-off). Armament followed the standard set by the D-3800: 4 x 7.5mm machine guns (belt-fed) and a hub-mounted 20mm Hispano-Suiza HS.404 autocannon. Additionally, a simpler, fixed radiator unit was used instead of the original retractable type. However, the German advance on France during May-June 1940 meant that the project was to be completed in Switzerland - who also remained under the very real threat of invasion.

As in the D-3800, production was handled locally (under license) by Eidgenpssisches Flugzeugwerke (EFK) but this time aided by the likes of Doflug (Dornier-Werke AG) and SWS.

A prototype D-3801 was flown for the first-time in October of 1940 and first-deliveries of production-quality, combat-capable forms followed in 1941 with the last unit delivered in 1945. In all, production ceased after 207 fighters were built for the Swiss Air Force, making the D-3801 a vital contributor to the defense of Switzerland from an invasion that was never to materialized from Germany. As in the D-3800, which saw two examples built up from existing spare parts, a further seventeen D-3801 were only later added to the existing stock - again built from available spares. These arrived in 1947-1948 at which point the Second World War (1939-1945) was all but over.

The D-3801, like the D-3800 before it, served out its days as advanced trainers for the Swiss Air Force and some of the lot were expended as target tugs as late as 1959 (the related D-3800 was given up for good back in 1954).

As finalized, the D-3801 fighters had a maximum speed of 332 miles-per-hour, a climb rate (initial) of 3,290 feet-per-minute, and ranged out to 745 miles. Empty weight was 4,700lb against an MTOW of 6,000lb.




MEDIA





General Assessment
Firepower  
Performance  
Survivability  
Versatility  
Impact  


Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
MF Power Rating
58
The MF Power Rating takes into account over sixty individual factors related to this aircraft entry. The rating is out of 100 total possible points.
Relative Maximum Speed
Hi: 400mph
Lo: 200mph
This entry's maximum listed speed (332mph).

Graph average of 300 miles-per-hour.
City-to-City Ranges
NYC
 
  LDN
LDN
 
  PAR
PAR
 
  BER
BER
 
  MSK
MSK
 
  TKY
TKY
 
  SYD
SYD
 
  LAX
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  NYC
Graph showcases the EKW D-3801's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production (207)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
207
207

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


Altitude Visualization
Small airplane graphic
Supported Roles
A2A
Interception
UAV
Ground Attack
CAS
Training
ASW
Anti-Ship
AEW
MEDEVAC
EW
Maritime/Navy
SAR
Aerial Tanker
Utility/Transport
VIP
Passenger
Business
Recon
SPECOPS
X-Plane/Development
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Commitments / Honors
Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur War
Military lapel ribbon for experimental x-plane aircraft
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.


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