Mu-4S Launch History
Every orbital and deep-space launch attempt by the Mu-4S, year by year, drawn from the GCAT launch catalog.
Data current as of 2026-07-20.
Mu-4S made 4 orbital and deep-space launch attempts between 1970 and 1972. Of those, 3 succeeded and 1 failed. The success rate comes to 75 percent. The busiest year was 1971, with 2 flights. The most recent flight in the catalog was in 1972.
4
Launch attempts
3
Successes
1
Failures
75%
Success rate
Launches per year
Successes
Failures
Each bar links to that year's full chronology.
Year by year
Launch sites used
Sites the Mu-4S launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| KASC | 🇯🇵Japan | 4 | 3 | 1 |
Launch chronology
Every Mu-4S launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| Aug 19, 1972 | 1972-064 | M-4S-4 : M-30, Mu Fairing, M-20 +4 more, M-10 M-4S-4, SB-310, M-40, REXS | KASC / M | Success |
| Sep 28, 1971 | 1971-080 | M-4S-3 : deb M-40, Mu Fairing, M-20 +5 more, M-10 M-4S-3, SB-310, M-30, M-40, MS-F2 | KASC / M | Success |
| Feb 16, 1971 | 1971-011 | M-4S-2 : Mu Fairing, M-20, M-10 M-4S-2 +5 more, SB-310, M-30, deb Tansei 1, M-40, MS-T1 | KASC / M | Success |
| Sep 25, 1970 | 1970-F08 | M-4S-1 : M-30, Mu Fairing, M-20 +4 more, M-10 M-4S-1, SB-310, M-40, MS-F1 | KASC / M | Failure |