Lambda 4S Launch History
Every orbital and deep-space launch attempt by the Lambda 4S, year by year, drawn from the GCAT launch catalog.
Data current as of 2026-07-21.
Lambda 4S made 5 orbital and deep-space launch attempts between 1966 and 1970. Of those, 1 succeeded and 4 failed. The success rate comes to 20 percent. The busiest year was 1966, with 2 flights. The most recent flight in the catalog was in 1970.
5
Launch attempts
1
Successes
4
Failures
20%
Success rate
Launches per year
Successes
Failures
Each bar links to that year's full chronology.
Year by year
Launch sites used
Sites the Lambda 4S launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| KASC | 🇯🇵Japan | 5 | 1 | 4 |
Launch chronology
Every Lambda 4S launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| Feb 11, 1970 | 1970-011 | L-4S-5 : L4S Fairing, L500, L735(1/3) +4 more, L735 L-4S-5, SB-310, L480S, L-4S-5 | KASC / L | Success |
| Sep 22, 1969 | 1969-F13 | L-4S-4 : L4S Fairing, L500, L735(1/3) +4 more, L735 L-4S-4, SB-310, L480S, L-4S-4 | KASC / L | Failure |
| Apr 13, 1967 | 1967-F03 | L-4S-3 : L4S Fairing, L500, L735(1/3) +4 more, L735 L-4S-3, SB-310, L480S, L-4S-3 | KASC / L | Failure |
| Dec 20, 1966 | 1966-F13 | L-4S-2 : L4S Fairing, L500, L735(1/3) +4 more, L735 L-4S-2, SB-310, L480S, L-4S-2 | KASC / L | Failure |
| Sep 26, 1966 | 1966-F10 | L-4S-1 : L4S Fairing, L500, L735(1/3) +4 more, L735 L-4S-1, SB-310, L480S, L-4S-1 | KASC / L | Failure |