Martin MS

Martin MS-1

A Martin MS-1 on USS S-1 in 1923
Role	Submarine-operated scout biplane
Manufacturer	Glenn L. Martin Company
First flight	1923
Introduction	1923
Primary user	United States Navy
Number built	6

The Martin MS-1 was an experimental scout biplane ordered by the United States Navy and was intended to operate from a submarine. It first flew in 1923 and the type was used for tests until 1926 when the project was cancelled.

Development

Following World War I, the U.S. Navy Bureau of Aeronautics conducted studies concerting the possibility of submarine-borne observation and scouting aircraft. After surfacing, this plane should be rolled out and quickly assembled. It was planned to launch the seaplane by ballasting the submarine until the deck was awash. The Navy ordered two types of aircraft, the Martin MS-1, constructed of wood and fabric, and the all-metal Cox-Klemin XS. The MS-1 first flew from Lake Erie in early 1923.^[1]

Operational history

The submarine S-1 became the experimental platform for the operation of scout seaplanes late in 1923. The MS-1 and the Cox-Klemin XS were used for the trials mounted in a cylindrical pod behind the conning tower. The first successful attempt was made on 5 November 1923. The first full cycle of surfacing, assembly, launching, retrieving, disassembly, and submergence took place on 28 July 1926, on the Thames River at New London, Connecticut using the XS-2.^[2]

A total of six Martin MS-1s were built, with all six still being listed with the U.S. Navy as late as 1926. After further trials during 1926 all the experimental aircraft were scrapped.

Variants

A Martin MS-1 being assembled on the submarine USS S-1, 1923.

MS-1: six built (BuNo A6521-A6526).

Operators

United States: United States Navy

Specifications

Data from

General characteristics

Crew: 1
Length: 18 ft 1 in (5.50 m)
Wingspan: 18 ft 0 in (5.34 m)
Height: 8 ft 0 in (2.38 m)
Empty weight: 650 lb (295 kg)
Gross weight: 1007 lb (456 kg)
Powerplant: 1 × Lawrance L-4, 60 hp (44 kW)

Performance

Maximum speed: 100 mph (161 km/h)
Range: 200 miles (320 km)
Service ceiling: 8,500 ft (2,590 m)

References

External links

Wikimedia Commons has media related to Martin MS-1.

Glenn L. Martin Company and Martin Marietta aircraft

Model numbers	57 60 66 67 70 71 73 74 75 117 118 119 120 122 123 125 129 130 139 145 146 156 162 166 167 170 179 182 187 189 190 202 205 210 219 223 234 237 247 259 270 272 290 303 307 313 316 317 321 327

Airliners	M-130 202 303 404

Attack aircraft	A-15 A-22 A-23 A-30 A-45 AM

Bombers	B-10 B-12 XB-13 XB-14 XB-16 B-26 XB-27 B-33 B-48 XB-51 B-57 XB-68 BM MB

Maritime patrol	PBM XP2M P3M P4M P5M P6M P7M

Military transports	C-3 JRM RM

Military trainers	T/TT N2M

Scout/Torpedo bombers	S MS TM T2M T3M T4M T5M T6M

Reconnaissance aircraft	RB-57D RB-57F

Martin Marietta	845 SV-5J X-23 X-24A X-24B

USN scout aircraft designations

Scout

Aeromarine	AS

Curtiss	CS S2C S3C S4C SC³

Dayton-Wright	SDW

Bellanca	SE

Edo Aircraft	SE² S2E

Grumman	SF

Great Lakes	SG

Loening	SL S2L

Martin	MS

Sikorsky	SS

Vought	SU

Cox-Klemin	XS

Scout Bomber

Brewster	SBA SB2A

Curtiss-Wright	SBC SB2C SB3C

Douglas	SBD SB2D

Grumman	SBF

Fairchild	SBF

Naval Aircraft Factory	SBN

Vought	SBU SB2U SB3U

Canadian Car and Foundry	SBW

Scout Observation

Curtiss	SOC SO2C SO3C

Bellanca	SOE

Edo Aircraft	SOE² SO2E

Fairchild	SOK

Naval Aircraft Factory	SON

Ryan	SOR

Vought	SOU¹ SO2U

Scout Trainer

Beechcraft	SNB

Curtiss-Wright	SNC

North American	SNJ SN2J

Vultee	SNV

¹ Not assigned • ² Assigned to a different manufacturer's type • ³ Sequence restarted

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