A-12

This aircraft is the ***föregångare*** to the recon aircaft SR-71 Blackbird. Built to be a mach 3+ interceptor, this aircraft was able to kill the Russian (Soviet) Tu-22 Blinder, the greatest threat against the US during the cold war.


Specifications
A-12
Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) Monococque with some super-high-temperature plastics.
Length: 102 feet, 3 inches
Wingspan: 55 feet, 7 inches
Wing Area: 1,795 square feet
Height: 18 feet, 6 inches
Landing Weight: 52,000 pounds
Maximum Gross Take-off Weight: 117,000 pounds
Maximum Speed: 3.2 Mach above 75,000 feet
Operational Ceiling: above 80,000 feet
Maximum Unrefueled Range: Classified
Armament: none
Powerplant Data: 2 Pratt & Whitney J75 with 17,000 pounds thrust on first 5 aircraft during flight testing
updated to: In production, 2 P & W J58 (JT11D-20A) high-bypass ratio turbojets with 20,500 pounds thrust (dry), with afterburner: 31,500 pounds thrust, some later engines generated 34,500 pounds thrust in afterburner.
A-12 production: 15 aircraft; Only 9 A-12s are still in existance today.

D-21A/B
Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) Monococque with some super-high- temperature palstics
Length: 42 feet, 10 inches
Wingspan: 19 feet, 1/4 inch
Wing Area: ?
Height: 7 feet, 1/4 inch
Empty Weight: ?
Maximum Gross Take-off Weight: 11,000 pounds
Maximum Speed: 3.35 Mach/ Maximum 3.25 at 80,000 to 95,000 feet
Operational Ceiling: 95,000 feet
Maximum Unrefueled Range: 3,000 nautical miles
Armament: None
Powerplant Data: Marquardt RJ43-MA-11 Ramjet with 1,500 pounds thrust
D-21 production: 38 drones
D-21A: M-21 launched, 4 launches
D-21B: B-52H launched, 17 Launches, with 4 operational missions

YF-12A
Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) monococque w/some super-high- temperature plastics.
Length: 101 feet, 8 inches
Wingspan: 55 feet, 7 inches
Wing Area: 1,795 square feet
Height: 18 feet, 6 inches
Landing Weight: 68,000 pounds
Maximum Gross Take-off Weight: 124,000 pounds
Maximum Speed: 3.2 Mach above 75,000 feet
Operational Ceiling: Classified, but probably over 80,000 feet
Maximum Unrefueled Range: Classified
Armament: 3 Hughes GAR-9/ AIM-47A air to air radar guided missiles (maximum speed 4 Mach)
Powerplant Data: 2 Pratt & Whitney J58 (JT11D-20A) High-bypass-ratio turbojets
YF-12A production: 3 aircraft
Out of the 3 YF-12As built only one is in existance today. Though the rear half of #934 was mated with the front half of the SR static test model to build the SR-71C trainer.

Summary of YF-12A Missile Firings

Date

YF-12 Alt.

YF-12 Mach

Target Alt.

Results

Mar 1965

65,000ft

2.19

40,000ft

Target destroyed

May 1965

64,800ft

2.18

20,000ft

Missile Gyro failure

Sep 1965

75,200ft

3.22

20,000ft.

Target destroyed

Mar 1966

74,000ft

3.16

1,700ft

Target destroyed

Apr 1966

75,200ft

3.20

1,100ft

Target destroyed

May 1966

76,000ft

3.20

20,000ft

Target destroyed

Sep 1966

74,400ft

3.20

500ft

Target destroyed

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