Encyclopedia Astronautica
Delta 3914


American orbital launch vehicle. Four stage vehicle consisting of 9 x Castor 4 + 1 x ELT Thor/RS-27 + 1 x Delta P /TR-201 + 1 x Star 37E

LEO Payload: 951 kg (2,096 lb). Payload: 954 kg (2,103 lb) to a GTO. Failures: 2. First Fail Date: 1977-09-13. Last Fail Date: 1986-05-03.

Status: Retired 1987.
Gross mass: 185,382 kg (408,697 lb).
Payload: 951 kg (2,096 lb).
Height: 35.00 m (114.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 3,046.20 kN (684,813 lbf).
First Launch: 1975.12.13.
Last Launch: 1987.02.26.
Number: 13 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • GOES American earth weather satellite. 8 launches, 1975.10.16 (GOES 1) to 1987.02.26 (GOES 7). Geostationary Operational Environmental Satellite. More...
  • AS 1000 American communications satellite. 3 launches, 1975.12.13 (Satcom 1) to 1979.12.07 (RCA Satcom 3). More...
  • NATO 3 British military communications satellite. 4 launches, 1976.04.22 (NATO 3A) to 1984.11.14 (NATO 3D). Military communications. More...
  • ECS/OTS European communications satellite. 20 launches, 1977.09.13 (OTS 1) to 2001.02.07 (Skynet 4F). More...
  • Anik Canadian communications satellite. 2 launches, 1978.12.15 (Anik B1 (Telesat 4)) and (DRIMS). Function - telecommunications. Operating entity - Telesat Canada. More...
  • Exosat European x-ray astronomy satellite. One launch, 1983.05.26. EXOSAT was a space research satellite of the European Space Agency. More...

See also
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...

Associated Programs
  • Anik Telecommunications satellite system, act as space repeaters capable of receiving transmissions from earth stations and retransmitting them to other earth stations in Canada. The antenna coverage of the satellite provides the capability of serving virtually all of Canada. Operating entity - Telesat Canada. More...
  • NATO Military communications satellite network. More...
  • Satcom Series of communications satellites started by RCA Americom in 1975 and continued by GE when it took over RCA. 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...
  • Vandenberg Vandenberg Air Force Base is located on the Central Coast of California about 240 km northwest of Los Angeles. It is used for launches of unmanned government and commercial satellites into polar orbit and intercontinental ballistic missile test launches toward the Kwajalein Atoll. More...
  • Vandenberg SLC2W Delta launch complex. Originally a Thor 75 SMS launch pad. Upgraded to a space launch complex in 1966. More...
  • Cape Canaveral LC17A Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Pad 17A supported Thor, Delta, and Delta II launches into the 21st Century. More...

Associated Stages
  • Burner 2 Solid propellant rocket stage. Loaded/empty mass 774/116 kg. Thrust 43.55 kN. Vacuum specific impulse 285 seconds. Burner II was a launch vehicle upper stage developed by Boeing for the Air Force Space Systems Division. It was the first solid-fuel upper stage with full control and guidance capability developed for general space applications. More...
  • Castor 4 Solid propellant rocket stage. Loaded/empty mass 10,534/1,269 kg. Thrust 407.21 kN. Vacuum specific impulse 261 seconds. More...
  • Delta P N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 5,434/820 kg. Thrust 41.92 kN. Vacuum specific impulse 301 seconds. More...
  • Delta Thor RS27 Lox/Kerosene propellant rocket stage. Loaded/empty mass 84,368/4,360 kg. Thrust 1,030.22 kN. Vacuum specific impulse 296 seconds. More...

Delta 3914 Chronology


1975 December 13 - . 01:56 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 607/D118.
  • Satcom 1 - . Mass: 464 kg (1,022 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 1000. Completed Operations Date: 1984-06-04 . USAF Sat Cat: 8476 . COSPAR: 1975-117A. Apogee: 36,076 km (22,416 mi). Perigee: 35,875 km (22,291 mi). Inclination: 12.8000 deg. Period: 1,445.80 min. Positioned in geosynchronous orbit over the Pacific Ocean at 135 deg W in 1976-1983; over the Americas at 119 deg W in 1983-1984; over the Pacific Ocean 139 deg W in 1984 As of 5 September 2001 located at 38.03 deg E drifting at 2.422 deg W per day. As of 2007 Mar 9 located at 137.85W drifting at 2.426W degrees per day.

1976 March 26 - . 22:47 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 610/D121.
  • RCA Satcom 2 - . Payload: Satcom 2. Mass: 463 kg (1,020 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 1000. Completed Operations Date: 1985-01-17 . USAF Sat Cat: 8774 . COSPAR: 1976-029A. Apogee: 36,494 km (22,676 mi). Perigee: 36,016 km (22,379 mi). Inclination: 8.6000 deg. Period: 1,460.10 min. Positioned in geosynchronous orbit over the Americas at 119 deg W in 1976-1984 over the Pacific Ocean 139 deg W in 1984-1985 As of 5 September 2001 located at 72.03 deg W drifting at 5.939 deg W per day. As of 2007 Mar 9 located at 127.82W drifting at 5.942W degrees per day.

1977 September 13 - . 23:31 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 619/D134. FAILURE: Vehicle exploded, probably SRM case.. Failed Stage: 0.
  • OTS 1 - . Mass: 865 kg (1,906 lb). Nation: Europe. Agency: ESA. Class: Technology. Type: Navigation technology satellite. Spacecraft: ECS/OTS. Decay Date: 1977-09-13 . COSPAR: F770913A. Summary: Orbital Test Satellite; failed to orbit..

1978 May 11 - . 22:59 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 627/D141.
  • OTS 2 - . Payload: OTS 2. Mass: 865 kg (1,906 lb). Nation: Europe. Agency: ESA. Class: Technology. Type: Navigation technology satellite. Spacecraft: ECS/OTS. Completed Operations Date: 1991-01-02 . USAF Sat Cat: 10855 . COSPAR: 1978-044A. Apogee: 36,128 km (22,448 mi). Perigee: 36,085 km (22,422 mi). Inclination: 13.1000 deg. Period: 1,452.50 min. Orbital Test Satellite; replacement for OTS-A; communications experiments. European Space Agency satellite. Launch time 2259 GMT. Reached definitive position, 10 deg east longitude, on May 24 at 0800 GMT. Launch by US Delta rocket. Positioned in geosynchronous orbit over the Atlantic Ocean at 10 deg E in 1978-1982 over the Atlantic Ocean 5 deg E in 1982-1990 As of 30 August 2001 located at 18.51 deg W drifting at 4.070 deg W per day. As of 2007 Mar 9 located at 39.02E drifting at 4.083W degrees per day.

1978 December 16 - . 00:21 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 632/D147.
  • Anik B1 (Telesat 4) - . Payload: Anik B1. Mass: 900 kg (1,980 lb). Nation: Canada. Agency: Telesat. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: Anik. Completed Operations Date: 1986-12-17 . USAF Sat Cat: 11153 . COSPAR: 1978-116A. Apogee: 35,927 km (22,323 mi). Perigee: 35,900 km (22,300 mi). Inclination: 6.6000 deg. Period: 1,442.60 min. Longitude 109.0. Function - telecommunications. Operating entity - Telesat Canada. Positioned in geosynchronous orbit over the Americas at 109 deg W in 1978-1986 As of 29 August 2001 located at 59.48 deg E drifting at 1.672 deg W per day. As of 2007 Mar 9 located at 13.64W drifting at 1.622W degrees per day.
  • DRIMS - . Payload: DRIMS. Nation: Canada. Agency: NASA Greenbelt. Program: Anik. Spacecraft: Anik. Decay Date: 1979-04-23 . USAF Sat Cat: 11154 . COSPAR: 1978-116B. Apogee: 1,832 km (1,138 mi). Perigee: 181 km (112 mi). Inclination: 28.3000 deg. Period: 105.26 min.

1979 December 7 - . 01:35 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 622/D150.
  • RCA Satcom 3 - . Payload: Satcom 3. Mass: 463 kg (1,020 lb). Nation: USA. Agency: RCA Amer. Manufacturer: Lockheed. Program: Satcom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 1000. USAF Sat Cat: 11635 . COSPAR: 1979-101A. Apogee: 35,502 km (22,059 mi). Perigee: 8,306 km (5,161 mi). Inclination: 8.1000 deg. Period: 788.90 min. Summary: Failed before reaching geosynchronous orbit..

1980 September 9 - . 22:27 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 637/D152.
  • GOES 4 - . Payload: GOES D. Mass: 627 kg (1,382 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Completed Operations Date: 1988-11-09 . USAF Sat Cat: 11964 . COSPAR: 1980-074A. Apogee: 36,213 km (22,501 mi). Perigee: 35,948 km (22,337 mi). Inclination: 9.4000 deg. Period: 1,451.20 min. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). Positioned in geosynchronous orbit at 98 deg W in 1980-1981; 135 deg W in 1981-1983; 135-143 deg W in 1983; 139 deg W in 1984-1985; 10 deg W in 1985; 44 deg W in 1985-1988 As of 5 September 2001 located at 37.03 deg E drifting at 3.758 deg W per day. As of 2007 Mar 10 located at 45.89E drifting at 3.763W degrees per day.

1981 May 22 - . 22:29 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 645/D154.
  • GOES 5 - . Payload: GOES E. Mass: 836 kg (1,843 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Completed Operations Date: 1990-07-01 . USAF Sat Cat: 12472 . COSPAR: 1981-049A. Apogee: 35,810 km (22,250 mi). Perigee: 35,775 km (22,229 mi). Inclination: 6.5000 deg. Period: 1,436.40 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 85 deg W in 1981; 75 deg W in 1981-1987; 106 deg W in 1987-1988; 65 deg W in 1988-1989 As of 31 August 2001 located at 107.28 deg W drifting at 0.248 deg W per day. As of 2007 Mar 9 located at 110.88W drifting at 0.246W degrees per day.

1983 April 28 - . 22:26 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 D168.
  • GOES 6 - . Payload: GOES F. Mass: 836 kg (1,843 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Completed Operations Date: 1992-05-19 . USAF Sat Cat: 14050 . COSPAR: 1983-041A. Apogee: 35,820 km (22,250 mi). Perigee: 35,778 km (22,231 mi). Inclination: 10.1000 deg. Period: 1,436.70 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 135 deg W in 1983-1984; 97 deg W in-108 deg W in 1984-1987; 135 deg W in 1987-1992 As of 5 September 2001 located at 75.78 deg W drifting at 0.054 deg W per day. As of 2007 Mar 10 located at 83.60W drifting at 0.139W degrees per day.

1983 May 26 - . 15:18 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 D169.
  • Exosat - . Mass: 510 kg (1,120 lb). Nation: Europe. Agency: ESA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: Exosat. Decay Date: 1986-05-06 . USAF Sat Cat: 14095 . COSPAR: 1983-051A. Apogee: 191,878 km (119,227 mi). Perigee: 340 km (210 mi). Inclination: 72.5000 deg. Period: 5,442.10 min. X-ray experiments. Launch time 1518 UT. Launching agency ESA. EXOSAT is a space research satellite of the European Space Agency. The scientific objectives of the EXOSAT mission are to measure the position, structural features, spectral and temporal characteristics of cosmic X-ray sources in the energy range from less than 0.1 keV to greater than 50 keV.

1984 November 14 - . 00:34 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 D177.
  • NATO 3D - . Mass: 320 kg (700 lb). Nation: NATO. Agency: NATO. Program: NATO. Class: Communications. Type: Military communications satellite. Spacecraft: NATO 3. USAF Sat Cat: 15391 . COSPAR: 1984-115A. Apogee: 35,796 km (22,242 mi). Perigee: 35,779 km (22,231 mi). Inclination: 2.2000 deg. Period: 1,436.20 min. Stationed at 138 deg W. Positioned in geosynchronous orbit at 30 deg W in 1985; 50 deg W in 1985-1986; 21 deg W in 1986-1991; 30 deg W in 1991-1993; 21 deg W in1993-1997; 18 deg W in 1997-1999 As of 31 August 2001 located at 19.33 deg W drifting at 0.021 deg W per day. As of 2007 Mar 10 located at 120.20W drifting at 19.149W degrees per day.

1986 May 3 - . 22:18 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 D178. FAILURE: Stage one main engine shutdown at T+71 seconds due to electrical failure.. Failed Stage: 1.
  • GOES G - . Payload: GOES G. Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Decay Date: 1986-04-26 . COSPAR: F860503A.

1987 February 26 - . 23:05 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3914. LV Configuration: Delta 3914 D179.
  • GOES 7 - . Payload: GOES H. Mass: 399 kg (879 lb). Nation: USA. Agency: NOAA. Class: Earth. Type: Weather satellite. Spacecraft: GOES. Completed Operations Date: 1998-01-01 . USAF Sat Cat: 17561 . COSPAR: 1987-022A. Apogee: 35,797 km (22,243 mi). Perigee: 35,777 km (22,230 mi). Inclination: 1.2000 deg. Period: 1,436.20 min. Stationed at 83 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 75 deg W in 1987-1988; 108 deg W in-98 deg W in 1989-1992; 111 deg W in 1992; 112 deg W in 1993-1994; 135 deg W in 1995; 98 deg W in 1996-1998 As of 5 September 2001 located at 179.83 deg E drifting at 0.023 deg W per day. As of 2007 Mar 9 located at 176.12W drifting at 0.061W degrees per day.

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