The Long March 2A, also known as the Chang Zheng 2A, CZ-2A and LM-2A, was a Chinese orbital carrier rocket that launched FSW-0 reconnaissance satellites. It was later replaced by the more capable Long March 4C. It was developed by the China Academy of Launch Vehicle Technology (CALT).

Long March 2A
Function	Carrier rocket
Manufacturer	CALT
Country of origin	China
Size
Height	32 metres (105 ft)[1]
Diameter	3.35 metres (11.0 ft)[1]
Mass	190,000 kilograms (420,000 lb)[1]
Stages	2
Capacity
Payload to LEO
Mass	2,000 kilograms (4,400 lb)[1]
Associated rockets
Family	Long March
Derivative work	Long March 2C, 2E, 2F
Launch history
Status	Retired
Launch sites	LA-2/138, JSLC
Total launches	4
Success(es)	3
Failure(s)	1
First flight	5 November 1974
Last flight	26 January 1978
[edit on Wikidata]

It launched from Launch Area 2B at the Jiuquan Satellite Launch Centre in China. It was a 2-stage rocket that flew four times. On its first flight on 5 November 1974, a cable connecting the pitch rate control gyroscope to the guidance system became disconnected, resulting in a loss of control and launch failure.^[2][3]