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Sparrow Arcas
Part of Arcas Family
American sounding rocket. Two stage vehicle.

Status: Retired 1971. First Launch: 1963-10-01. Last Launch: 1971-07-28. Number: 31 . Payload: 5.50 kg (12.10 lb). Thrust: 35.00 kN (7,868 lbf). Gross mass: 94 kg (207 lb). Height: 3.84 m (12.59 ft). Diameter: 0.20 m (0.65 ft). Span: 0.81 m (2.67 ft). Apogee: 175 km (108 mi).

The HV Arcas was a modification of the basic Arcas with larger fins for use at high altitude and a modified aft section to mate with the interstage to the first stage. The rocket was launched from a 4.6 m rail and their was a six second coast after Sparrow burnout before Arcas ignited. Canted fins provide both stages a roll of 8 to 15 rpm for stability. The rocket was originally designed to measure air density over the Pacific Missile Range, and later used by the military for study of the mesosphere and ionosphere.

Payload: 5.50 kg (12.10 lb) to a 175 km altitude.



Country: USA. Launch Sites: Point Mugu, San Nicolas, Eglin, Andoya, Thule AFB, Koroni LP2. Stages: 1.8KS7800, MARC 2C2. Agency: Atlantic Research.

1963 Oct - . Launch Site: White Sands. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 01 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1963 Oct - . Launch Site: White Sands. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 02 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 05 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 04 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 09 Sphere - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 03 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 06 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 May 1 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 07 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 May 8 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 08 - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 Aug - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro 10 Sphere - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 December 16 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro II Meteorological mission - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 December 17 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 December 17 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1964 December 17 - . Launch Site: San Nicolas. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Denpro III Meteorological mission - . Nation: USA. Agency: USN. Apogee: 100 km (60 mi).

1965 November 2 - . 23:35 GMT - . Launch Site: Eglin. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • IQSY release Aeronomy / ionosphere mission - . Nation: USA. Agency: USAF. Apogee: 134 km (83 mi).

1965 November 11 - . 04:15 GMT - . Launch Site: Eglin. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Aeronomy / ionosphere mission - . Nation: USA. Agency: USAF. Apogee: 137 km (85 mi).

1965 November 18 - . 02:20 GMT - . Launch Site: Eglin. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 130 km (80 mi).

1965 November 18 - . 05:20 GMT - . Launch Site: Eglin. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 130 km (80 mi).

1965 November 18 - . 08:01 GMT - . Launch Site: Eglin. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Aeronomy / ionosphere mission - . Nation: USA. Agency: USAF. Apogee: 137 km (85 mi).

1966 May 15 - . 09:51 GMT - . Launch Site: Nissaki-Karystos. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • ESRO A23 / 1 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 110 km (60 mi).

1966 May 20 - . 08:38 GMT - . Launch Site: Koroni. Launch Complex: Koroni LP2. LV Family: Arcas. Launch Vehicle: Sparrow Arcas. FAILURE: Failure.
  • ESRO A23 / 2 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 90 km (55 mi).

1966 May 20 - . 09:01 GMT - . Launch Site: Nissaki-Karystos. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • ESRO A23 / 3 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 99 km (61 mi).

1966 May 20 - . 09:41 GMT - . Launch Site: Koroni. Launch Complex: Koroni LP2. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • ESRO A23 / 4 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 102 km (63 mi).

1966 May 20 - . 10:10 GMT - . Launch Site: Koroni. Launch Complex: Koroni LP2. LV Family: Arcas. Launch Vehicle: Sparrow Arcas. FAILURE: Failure.
  • ESRO A23 / 5 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 7.00 km (4.30 mi).

1966 May 20 - . 10:40 GMT - . Launch Site: Koroni. Launch Complex: Koroni LP2. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • ESRO A23 / 6 Eclipse ionosphere / solar mission - . Nation: Europe. Agency: ESRO. Apogee: 103 km (64 mi).

1968 February 7 - . 19:58 GMT - . Launch Site: Point Mugu. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • UM Sparc Pitot Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 129 km (80 mi).

1968 February 8 - . 19:34 GMT - . Launch Site: Point Mugu. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • UM Sparc Pitot Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 131 km (81 mi).

1969 November 30 - . 02:58 GMT - . Launch Site: Andoya. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Arcas VII Aeronomy / ionosphere / plasma mission - . Nation: Norway. Agency: NTNF. Apogee: 100 km (60 mi).

1970 August 4 - . 12:05 GMT - . Launch Site: Andoya. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • Arcas VIII Ionosphere mission - . Nation: Norway. Agency: NTNF. Apogee: 85 km (52 mi).

1971 July 28 - . 13:15 GMT - . Launch Site: White Sands. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • AFCRL Arcas 71-3 - . Nation: USA. Agency: USAF. Apogee: 100 km (60 mi).

1971 July 28 - . 13:50 GMT - . Launch Site: White Sands. LV Family: Arcas. Launch Vehicle: Sparrow Arcas.
  • AFCRL Arcas 71-4 - . Nation: USA. Agency: USAF. Apogee: 100 km (60 mi).


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