Encyclopedia Astronautica
Sonda 4


Brazilian sounding rocket. Two stage vehicle consisting of 1 x S-43 + 1 x Sonda 3-1

Failures: 1. First Fail Date: 1987-11-08. Last Fail Date: 1987-11-08.

Status: Retired 1989.
Gross mass: 7,200 kg (15,800 lb).
Height: 11.00 m (36.00 ft).
Diameter: 1.01 m (3.31 ft).
Thrust: 203.00 kN (45,636 lbf).
Apogee: 800 km (490 mi).
First Launch: 1984.11.21.
Last Launch: 1989.03.28.
Number: 4 .

More... - Chronology...


Associated Countries
See also
Associated Manufacturers and Agencies
  • INPE Brazilian agency overseeing development of rockets and spacecraft. Instituto Nacional de Pesquisas Espacias, Sao Jose dos Campos, Brazil. More...

Associated Launch Sites
  • Natal Sounding rocket launch location known to have been used for 233 launches from 1965 to 2007, reaching up to 1100 kilometers altitude. More...

Associated Stages
  • S-30 Solid rocket stage. 102.00 kN (22,931 lbf) thrust. Mass 1,200 kg (2,646 lb). More...
  • S-43 Solid propellant rocket stage. Loaded/empty mass 8,550/1,328 kg. Thrust 303.00 kN. Vacuum specific impulse 260 seconds. More...

Sonda 4 Chronology


1984 November 21 - . Launch Site: Natal. LV Family: Sonda. Launch Vehicle: Sonda 4. LV Configuration: Sonda 4 PT-01.
  • Test mission - . Nation: Brazil. Agency: IAE. Apogee: 616 km (382 mi).

1985 November 19 - . 13:00 GMT - . Launch Site: Natal. LV Family: Sonda. Launch Vehicle: Sonda 4. LV Configuration: Sonda 4 PT-02.
  • GL A40.401 (HARP) test - . Nation: Brazil. Agency: IAE. Apogee: 667 km (414 mi).

1987 November 8 - . Launch Site: Natal. LV Family: Sonda. Launch Vehicle: Sonda 4. LV Configuration: Sonda 4 PT-03. FAILURE: Failure.
  • Test mission - . Nation: Brazil. Agency: IAE. Apogee: 130 km (80 mi).

1989 March 28 - . Launch Site: Natal. LV Family: Sonda. Launch Vehicle: Sonda 4. LV Configuration: Sonda 4 PT-04.
  • Test mission - . Nation: Brazil. Agency: IAE. Apogee: 821 km (510 mi).

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