INTA-300 diagram
Country of origin	Spain
Size
Height	7.27 m (23.9 ft)
Diameter	0.26 m (0.85 ft)
Stages	2
Capacity
Payload to Suborbital
Altitude	50 km (31 mi)
Mass	50 kg (110 lb)
Launch history
Status	Retired
Launch sites	El Arenosillo
Total launches	6
First flight	October 9th, 1974
Last flight	February 18th, 1981
First stage – Aneto
Gross mass	503 kilograms (1,109 lb)
Burn time	3 s
Second stage – Teide
Maximum thrust	16.3 kN (3,700 lbf)
Burn time	16 s
[edit on Wikidata]

The INTA-300, also known as the "Flamenco", was a two-stage Spanish sounding rocket. It consisted of a launch stage from the type Heron and an upper stage of the type Snipe.

Based on a Bristol Aerojet's INTA-255 rocket, the INTA-300 is capable of reaching altitudes of 300 km (186 mi) alone and to 50 km (31 mi) with its maximum payload weight,^[1] having a thrust of 138.00 kN.

The intent of the INTA-300 was to be able to lift a payload of 50 kg to 300 km. With the help of the Bristol Aerojet, the Instituto Nacional de Técnica Aeroespacial was able to make a powerful enough prototype in 1981, after three unsuccessful launches. By the time of the fourth model's construction, funding had been cut.^[2]

When funds became available again in the 1990s, the fourth model of the INTA-300 was modified into a more efficient model dubbed the INTA-300B, capable of carrying heavier payloads and reaching higher altitude.^[3]

The INTA-300 was launched by INTA six times between 1974 and 1994 from El Arenosillo.^[2]

• Fulmar
• INTA-255
• Capricornio (rocket)
• Miura 1

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