Long March 4C

	Long March 4C
Has use	Launch vehicle
Manufacturer	SAST
Country of origin	China
Size
Height	45.8 m (150 ft)
Diameter	3.35 m (11.0 ft)
Mass	250,000 kg (550,000 lb)
Stages	3
Capacity
Payload to LEO
Mass	4,200 kg (9,300 lb)
Payload to SSO
Mass	2,800 kg (6,200 lb)
Payload to GTO
Mass	1,500 kg (3,300 lb)
Associated rockets
Family	Long March
Launch history
Status	Active
Launch sites	TSLC, , ; JSLC, LA-4/SLS-2; XSLC,
Total launches	39
Success(es)	37
Failure(s)	2
First flight	26 April 2006
Last flight	25 January 2022
First stage
Height	27.91 m
Diameter	3.35 m
Propellant mass	182,000 kg (401,000 lb)
Powered by	4 YF-21C
Maximum thrust	2,961.6 kN (665,800 lbf)
Specific impulse	2,550 m/s (8,400 ft/s)
Propellant	N2O4 / UDMH
Second stage
Height	10.9 m
Diameter	3.35 m
Propellant mass	52,700 kg (116,200 lb)
Powered by	1 YF-24C; (1 x YF-22C (Main)); (4 x YF-23C (Vernier))
Maximum thrust	742.04 kN (166,820 lbf) (Main); 47.1 kN (10,600 lbf) (Vernier)
Specific impulse	2,942 m/s (9,650 ft/s) (Main); 2,834 m/s (9,300 ft/s) (Vernier)
Propellant	N2O4 / UDMH
Third stage
Height	14.79 m
Diameter	2.9 m
Propellant mass	14,000 kg (31,000 lb)
Powered by	2 YF-40A
Maximum thrust	100.85 kN (22,670 lbf)
Specific impulse	2,971 m/s (9,750 ft/s)
Propellant	N2O4 / UDMH

The Long March 4C, also known as the Chang Zheng 4C, CZ-4C and LM-4C, previously designated Long March 4B-II, is a Chinese orbital launch vehicle. It is launched from the Jiuquan, Taiyuan, and Xichang Satellite Launch Centers, and consists of 3 stages. Long March 4C vehicles have been used to launch the Yaogan-1, Yaogan-3 synthetic-aperture radar (SAR) satellites and the Fengyun-3A polar orbiting meteorological satellite. On 15 December 2009, a Long March 4C was used to launch Yaogan-8.^[3]

Because it was still designated as Long March 4B-II at the time of its maiden flight, the first launch is often mistaken for a Long March 4B. The Long March 4C is derived from the Long March 4B, but features a restartable upper stage, and a larger payload fairing.

On 1 September 2016, the Long March 4C failed for reasons not yet known. A Long March 4C rocket blasted off from the Taiyuan Satellite Launch Center in Shanxi but failed to insert its payload, the Gaofen 10 satellite, into its designated orbit.^[4]^[5]

List of launches[]

Flight number	Serial number	Date (UTC)	Launch site	Payload	Orbit	Result
1	Y1	26 April 2006 22:48	TSLC,	Yaogan 1	SSO	Success
2	Y3	11 November 2007 22:48	TSLC,	Yaogan 3	SSO	Success
3	Y2	27 May 2008 03:02	TSLC,	Fengyun 3A	SSO	Success
4	Y4	15 December 2009 02:31	TSLC,	Yaogan 8	SSO	Success
5	Y5	5 March 2010 04:55	JSLC, SLS-2	Yaogan 9A Yaogan 9B Yaogan 9C	LEO	Success
6	Y6	9 August 2010 22:49	TSLC,	Yaogan 10	SSO	Success
7	Y7	4 November 2010 18:37	TSLC,	Fengyun 3B	SSO	Success
8	Y10	29 May 2012 07:31	TSLC,	Yaogan 15	SSO	Success
9	Y9	25 November 2012 04:06	JSLC, SLS-2	Yaogan 16A Yaogan 16B Yaogan 16C	LEO	Success
10	Y11	19 July 2013 23:37	TSLC,		SSO	Success
11	Y13	1 September 2013 19:16	JSLC, SLS-2	Yaogan 17A Yaogan 17B Yaogan 17C	LEO	Success
12	Y12	23 September 2013 03:07	TSLC,	Fengyun 3C	SSO	Success
13	Y14	20 November 2013 03:31	TSLC,	Yaogan 19	SSO	Success
14	Y15	9 August 2014 05:45	JSLC, SLS-2	Yaogan 20A Yaogan 20B Yaogan 20C	LEO	Success
15	Y16	20 October 2014 06:31	TSLC,	Yaogan 22	SSO	Success
16	Y17	10 December 2014 19:33	JSLC, SLS-2	Yaogan 25A Yaogan 25B Yaogan 25C	LEO	Success
17	Y18	27 August 2015 02:31	TSLC,	Yaogan 27	SSO	Success
18	Y8	26 November 2015 21:24	TSLC,	Yaogan 29	SSO	Success
19	Y19	9 August 2016 22:55	TSLC,	Gaofen 3	SSO	Success
20	Y22	31 August 2016 18:50	TSLC,	Gaofen 10	SSO	Failure ^[4]
21	Y21	14 November 2017 18:35	TSLC,	Fengyun 3D HEAD-1	SSO	Success
22	Y26	31 March 2018 03:22	TSLC,	Gaofen-1 02 Gaofen-1 03 Gaofen-1 04	SSO	Success
23	Y25	10 April 2018 04:25	JSLC, SLS-2	Yaogan 31-01A Yaogan 31-01B Yaogan 31-01C	LEO	Success
24	Y20	8 May 2018 18:28	TSLC,	Gaofen 5	SSO	Success
25	Y27	20 May 2018 21:28	XSLC,	Queqiao Longjiang-1 Longjiang-2	Earth–Moon L2	Success
26	Y23	22 May 2019 22:49	TSLC,	Yaogan 33	SSO	Failure ^[6]
27	Y33	4 October 2019 18:51	TSLC,	Gaofen 10-2	SSO	Success
28	Y24	27 November 2019 23:52	TSLC,	Gaofen 12-01	SSO	Success
29	Y35	27 December 2020 15:44	JSLC, SLS-2	Yaogan 33-2	SSO	Success
30	Y31	29 January 2021 04:47	JSLC, SLS-2	Yaogan 31-02A Yaogan 31-02B Yaogan 31-02C	LEO	Success
31	Y32	24 February 2021 02:22	JSLC, SLS-2	Yaogan 31-03A Yaogan 31-03B Yaogan 31-03C	LEO	Success
32	Y42	13 March 2021 02:19	JSLC, SLS-2	Yaogan 31-04A Yaogan 31-04B Yaogan 31-04C	LEO	Success
33	Y36	30 March 2021 22:45	JSLC, SLS-2	Gaofen 12-02	SSO	Success
34	Y34	30 April 2021 07:27	JSLC, SLS-2	Yaogan 34	LEO	Success
35	Y43	4 July 2021 23:28	JSLC, SLS-2	Fengyun 3E	SSO	Success
36	Y40	7 September 2021 03:01	TSLC,	Gaofen 5-02	SSO	Success
37	Y37	22 November 2021 23:45	JSLC, SLS-2	Gaofen 3-02	SSO	Success
38	Y39	26 December 2021 03:11	TSLC,	Ziyuan I-02E XW-3 (CAS-9)	SSO	Success
39	Y29	25 January 2022 23:44	JSLC, SLS-2	Ludi Tance-1 01A	SSO	Success

References[]

^ Brian Harvey (2013). China in Space: The Great Leap Forward. Springer Science & Business Media. p. 96. ISBN 978-1-4614-5043-6.
^ ^a ^b ^c "CZ-4C (Chang Zheng-4C)". Gunter's Space Page. Retrieved 27 April 2008.
^ Rui C. Barbosa (15 December 2009). "China completes 2009 schedule by launching another spy satellite". NASASpaceFlight.com.
^ ^a ^b Stephen Chen (2 September 2016). "Chinese rocket launch reported to have failed, destroying cutting-edge earth observation satellite". South China Morning Post. Retrieved 2 September 2016.
^ Rui C. Barbosa (2 September 2016). "Long March 4C apparently fails during Gaofen 10 launch". NASASpaceFlight.com. Retrieved 2 September 2016.
^ "Launch of Yaogan-33 satellite fails in north China". Xinhuanet.com. Retrieved 23 May 2019.

External links[]

CZ-4C Long March Space Launch Vehicle GlobalSecurity.org

[b-1] Brian Harvey (2013). China in Space: The Great Leap Forward. Springer Science & Business Media. p. 96. ISBN 978-1-4614-5043-6.

[GSP-2] "CZ-4C (Chang Zheng-4C)". Gunter's Space Page. Retrieved 27 April 2008.

[3] Rui C. Barbosa (15 December 2009). "China completes 2009 schedule by launching another spy satellite". NASASpaceFlight.com.

[Gaofen_10-4] Stephen Chen (2 September 2016). "Chinese rocket launch reported to have failed, destroying cutting-edge earth observation satellite". South China Morning Post. Retrieved 2 September 2016.

[5] Rui C. Barbosa (2 September 2016). "Long March 4C apparently fails during Gaofen 10 launch". NASASpaceFlight.com. Retrieved 2 September 2016.

[6] "Launch of Yaogan-33 satellite fails in north China". Xinhuanet.com. Retrieved 23 May 2019.

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In development	Amur Angara 1.2 Ariane 6 Bloostar Cyclone-4M Eris Firefly Beta H3 Hyperbola-2 Irtysh Kuaizhou 21 31 Long March 921 rocket 9 Miura 5 Neutron New Glenn New Line 1 OS-M 2 4 Orbex Prime Red Dwarf SLS Block 1 Block 1B Block 2 Soyuz-7 SSLV Starship Terran 1 R Vega C E Vulcan Zero Zhuque-2 Zuljanah
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Classes	Sounding rocket Small-lift launch vehicle Medium-lift launch vehicle Heavy-lift launch vehicle Super heavy-lift launch vehicle
This Template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future Symbol ^† indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)

v t Long March (rocket family)
Rockets	Feng Bao 1 Long March 1 1D Long March 2 2A 2C 2D 2E 2F Long March 3 3A 3B 3B/E 3C Long March 4 4A 4B 4C Long March 5 5B Long March 6 Long March 7 7A Long March 8 921 rocket Long March 9 Long March 11
Launch sites	Jiuquan Taiyuan Wenchang Xichang
Manufacturers	China Academy of Launch Vehicle Technology Shanghai Academy of Spaceflight Technology
Designers	Wang Xiji
List of Long March launches