LOCKHEED S-3 VIKING

VIKING SERVICE

Manufacturer: The Lockheed Aircraft Corp., Burbank, California, USA
(In 1977, became Lockheed Corp.)
(Sub-contractor, Vought LTV Corp., Dallas, Texas, USA)
Model: Model 394
Designation: S-3
Names: Viking; Shadow (ES-3A)
First official flight: (YS-3A) 21/01/1972
Factory production period: 1971 - 1978
Primary service period: 1974 - 2008
Last official flight: (S-3B) 30/01/2009

VIKING VARIANTS AND PRODUCTION

YS-3A
1972, prototype, twin-engined,
carrier-borne, ASW aircraft.
Produced 1971 - 1972

Lockheed Palmdale, California

BuNo.157992 / 157999 394A-1001 / 1008

Total: 008

S-3A
1972, as YS-3A, minor changes.
Produced 1972 - 1978

Lockheed Palmdale, California

BuNo.158861 / 158873 394A-1009 / 1021  
BuNo.159386 / 159420 394A-1022 / 1056  
BuNo.159728 / 159772 394A-1057 / 1101  
BuNo.160120 / 160164 394A-1102 / 1146  
BuNo.160567 / 160607 394A-1147 / 1187 Total: 179
2 additional airframes cancelled.

 

Grand Total: 187

VIKING CONVERSIONS

US Navy

ES-3A 16 Shadow
S-3A, 1989-1998, ELINT and ECM conversions, various antennas.
KS-3A 1 YS-3A, 1980, prototype tanker conversion for evaluation trials.
US-3A 6 4 YS-3A / 1 S-3A / 1 KS-3A, 1976-1996, utility conversions for
carrier-onboard-delivery (COD) duties.
S-3B 119 S-3A, 1984-2009, ASW equipment upgrade, aerial refuelling.

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