Encyclopedia Astronautica
Titan 3A



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Titan 3A
Titan 3A - COSPAR 1965-008
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Titan 3A
Credit: © Mark Wade
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Titan 3A Large
Credit: © Mark Wade
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Titan LVs Small
Credit: © Mark Wade
American orbital launch vehicle. Titan with Transtage third stage. Core for Titan 3C.

LEO Payload: 3,100 kg (6,800 lb) to a 185 km orbit. Failures: 1. First Fail Date: 1964-09-01. Last Fail Date: 1964-09-01 in 1985 dollars. Flyaway Unit Cost $: 30.740 million.

Stage Data - Titan 3A

  • Stage 1. 1 x Titan 3A-1. Gross Mass: 116,573 kg (256,999 lb). Empty Mass: 5,443 kg (11,999 lb). Thrust (vac): 2,339.760 kN (525,999 lbf). Isp: 302 sec. Burn time: 147 sec. Isp(sl): 250 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 22.28 m (73.09 ft). Propellants: N2O4/Aerozine-50. No Engines: 2. Engine: LR-87-11. Status: In Production.
  • Stage 2. 1 x Titan 3A-2. Gross Mass: 29,188 kg (64,348 lb). Empty Mass: 2,653 kg (5,848 lb). Thrust (vac): 453.714 kN (101,999 lbf). Isp: 316 sec. Burn time: 205 sec. Isp(sl): 145 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 7.90 m (25.90 ft). Propellants: N2O4/Aerozine-50. No Engines: 1. Engine: LR-91-11. Status: In Production.
  • Stage 3. 1 x Titan Transtage. Gross Mass: 12,247 kg (27,000 lb). Empty Mass: 1,950 kg (4,290 lb). Thrust (vac): 71.166 kN (15,999 lbf). Isp: 311 sec. Burn time: 440 sec. Isp(sl): 0.0000 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 4.57 m (14.99 ft). Propellants: N2O4/Aerozine-50. No Engines: 2. Engine: AJ10-138. Other designations: Transtage. Status: Out of Production.

AKA: Titan IIIA; SLV-5A.
Gross mass: 161,730 kg (356,550 lb).
Payload: 3,100 kg (6,800 lb).
Height: 42.00 m (137.00 ft).
Diameter: 3.05 m (10.00 ft).
Thrust: 1,936.90 kN (435,432 lbf).
Apogee: 185 km (114 mi).
First Launch: 1964.09.01.
Last Launch: 1965.02.11.
Number: 3 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • LES American communications technology satellite. 8 launches, 1965.02.11 (LES 1) to 1976.03.15 (LES 9). More...
  • LCS American military target satellite. 3 launches, 1965.05.06 (LCS 1) to 1971.08.07 (LCS 4). Aluminum sphere used for radar calibration. More...

Associated Engines
  • AJ10-138 Aerojet N2O4/Aerozine-50 rocket engine. 35.6 kN. Out of production. Originally developed for Vanguard and Able. Two used, thrust uprated from 3540 kgf to 3628 kgf, with higher specific impulse, in Transtage. Isp=311s. Flown 1964-1980. More...
  • LR87-11 Aerojet N2O4/Aerozine-50 rocket engine. 1218.8 kN. Out of production. Isp=302s. Powered Titan 3 and 4 first stages. Replaced the -9 model, first flown 1968. First flight 1964. More...
  • LR91-11 Aerojet N2O4/Aerozine-50 rocket engine. 467 kN. Out of production. Isp=316s. Second stage engine for Titan 3 and 4. First flight 1968. More...

See also
  • Titan The Titan launch vehicle family was developed by the United States Air Force to meet its medium lift requirements in the 1960's. The designs finally put into production were derived from the Titan II ICBM. Titan outlived the competing NASA Saturn I launch vehicle and the Space Shuttle for military launches. It was finally replaced by the USAF's EELV boosters, the Atlas V and Delta IV. Although conceived as a low-cost, quick-reaction system, Titan was not successful as a commercial launch vehicle. Air Force requirements growth over the years drove its costs up - the Ariane using similar technology provided lower-cost access to space. More...

Associated Manufacturers and Agencies
  • Martin American manufacturer of rockets, spacecraft, and rocket engines. Martin Marietta Astronautics Group (1956), Denver, CO, USA. More...

Associated Launch Sites
  • Cape Canaveral America's largest launch center, used for all manned launches. Today only six of the 40 launch complexes built here remain in use. Located at or near Cape Canaveral are the Kennedy Space Center on Merritt Island, used by NASA for Saturn V and Space Shuttle launches; Patrick AFB on Cape Canaveral itself, operated the US Department of Defense and handling most other launches; the commercial Spaceport Florida; the air-launched launch vehicle and missile Drop Zone off Mayport, Florida, located at 29.00 N 79.00 W, and an offshore submarine-launched ballistic missile launch area. All of these take advantage of the extensive down-range tracking facilities that once extended from the Cape, through the Caribbean, South Atlantic, and to South Africa and the Indian Ocean. More...
  • Cape Canaveral LC20 Titan, Super Chief, Loki, Prospector, Aries launch complex. Complexes 15, 16, 19, and 20 were built for the Titan ballistic missile program. The sites were accepted by the U.S. Government between February and mid-September 1959. All four sites supported Titan I launches in 1959 and the early 1960s. Complex 20 was modified to support four Titan IIIA flights which took place between 1 September 1964 and 7 May 1965. The site was deactivated in April 1967, but it got a new lease on life toward the end of the 1980s. Complex 20 was selected for the Starbird program in 1987, and it supported a Starbird launch on 18 December 1990. Between 18 June 1991 and 29 May 1993, the complex supported the commercial Joust-1 launch and four Red Tigress and Red Tigress II missions sponsored by the Strategic Defense Initiative Organization. Much of Complex 20's electronic equipment and both of its rail launchers were removed in 1995, rendering the site inactive. More...

Associated Stages
  • Titan Transtage N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 12,247/1,950 kg. Thrust 71.17 kN. Vacuum specific impulse 311 seconds. More...
  • Titan 3A-2 N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 29,188/2,653 kg. Thrust 453.71 kN. Vacuum specific impulse 316 seconds. More...
  • Titan 3A-1 N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 116,573/5,443 kg. Thrust 2,339.76 kN. Vacuum specific impulse 302 seconds. More...

Titan 3A Chronology


1964 September 1 - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC20. LV Family: Titan. Launch Vehicle: Titan 3A. LV Configuration: Titan IIIA 3A-2. FAILURE: Transtage pressurization failure caused premature shutdown.. Failed Stage: 3.
  • Titan 3A Transtage 1 - . Payload: Transtage 2. Nation: USA. Agency: USAF. Decay Date: 1964-09-02 . COSPAR: F640901A.

1964 December 10 - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC20. LV Family: Titan. Launch Vehicle: Titan 3A. LV Configuration: Titan IIIA 3A-1.
  • Titan 3A Transtage 2 - . Payload: Transtage 1. Mass: 4,077 kg (8,988 lb). Nation: USA. Agency: USAF. Decay Date: 1964-12-13 . USAF Sat Cat: 949 . COSPAR: 1964-081A. Apogee: 180 km (110 mi). Perigee: 166 km (103 mi). Inclination: 32.1000 deg. Period: 88.00 min. Summary: Launch vehicle test. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

1965 February 11 - . 15:19 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC20. LV Family: Titan. Launch Vehicle: Titan 3A. LV Configuration: Titan IIIA 3A-3.
  • LES 1 - . Mass: 31 kg (68 lb). Nation: USA. Agency: USAF. Class: Technology. Type: Communications technology satellite. Spacecraft: LES. USAF Sat Cat: 1002 . COSPAR: 1965-008C. Apogee: 2,809 km (1,745 mi). Perigee: 2,783 km (1,729 mi). Inclination: 32.1000 deg. Period: 145.80 min. Summary: Lincoln Experimental Satellite; communications experiments. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

1965 May 6 - . 15:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC20. LV Family: Titan. Launch Vehicle: Titan 3A. LV Configuration: Titan IIIA 3A-6.
  • LES 2 - . Mass: 37 kg (81 lb). Nation: USA. Agency: USAF. Class: Technology. Type: Communications technology satellite. Spacecraft: LES. USAF Sat Cat: 1360 . COSPAR: 1965-034B. Apogee: 14,810 km (9,200 mi). Perigee: 2,771 km (1,721 mi). Inclination: 32.2000 deg. Period: 309.90 min. Summary: Experimental commsat. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .
  • LCS 1 - . Mass: 34 kg (74 lb). Nation: USA. Agency: USAF. Class: Military. Type: Radar calibration target. Spacecraft: LCS. USAF Sat Cat: 1361 . COSPAR: 1965-034C. Apogee: 2,795 km (1,736 mi). Perigee: 2,786 km (1,731 mi). Inclination: 32.1000 deg. Period: 145.60 min. Summary: Aluminum sphere used for radar calibration. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

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