Delta family

Delta 3920/PAM

RetiredUnited States McDonnell DouglasSpec: 3920/PAM

The Delta 3000 series was an American expendable launch system which was used to conduct 38 orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.

Flights flown6

Success rate100%6/6

Payload to LEO1,280kg

Maiden flight1982-08-26

Peak year19833 flights

Delta 3920/PAM is built by McDonnell Douglas of the United States. It first flew on 26 August 1982 and last flew on 20 March 1987.

Flight record

6 records

100% success rate6 of 6 flown

1982peak 1983 · 3 flights1987

First flight1982-08-26

Latest flight1987-03-20

Failures0

Consecutive successes6

Fastest turnaround29d 23h

Payload

Per mission profile

Low Earth orbit	1,280kg

Vehicle

3920/PAM spec

Stages	4
Length	36m
Diameter	2.44m
Launch mass	191t
Liftoff thrust	3,188kN
Maiden flight	1982-08-26
Reusable	No

Pads used

2 pads

Space Launch Complex 17B4 Space Launch Complex 17A2

Orbits delivered

1 orbit

Geostationary Orbit6

Launch history

6 launches

Date	Mission	Pad	Orbit	Outcome
1987-03-20	Delta 3920/PAM \| Palapa B2P	Space Launch Complex 17B	Geostationary Orbit	Success
1984-09-21	Delta 3920/PAM \| Galaxy 3	Space Launch Complex 17B	Geostationary Orbit	Success
1983-09-22	Delta 3920/PAM \| Galaxy 2	Space Launch Complex 17A	Geostationary Orbit	Success
1983-07-28	Delta 3920/PAM \| Telstar 301	Space Launch Complex 17A	Geostationary Orbit	Success
1983-06-28	Delta 3920/PAM \| Galaxy 1	Space Launch Complex 17B	Geostationary Orbit	Success
1982-08-26	Delta 3920/PAM \| Anik D1	Space Launch Complex 17B	Geostationary Orbit	Success

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.