Soyuz 30

USSR

International Flight nº: 68

Earth orbit Flight nº: 65

USSR launch Flight nº: 37

Interkosmos-2 flight

Launch & orbit data:

Designation	10968 / 78065A
Launch date - time	27 Jun 1978 - 15:27:21 UT
Launch site	Baikonur, LC1
Launch vehicle	Soyuz 11A511U
OKB name - S/N°	Soyuz 7K-T/A9 s/n 67
Basic shape	Sphere-cylinder + 2 wings
Dimension (m)	7.5 long, 2.3 dia
Mass (kg)	6570? kg
Flight Crew (EP-3)	Klimuk, Pyotr I. (CDR) Hermaszewski, Miroslaw (CR)
Call Sign	Kavkaz (Caucasus M.)
Backup crew	Kubasov, Jankowski Z.
Earth orbit on Jun 27.8:
- Perigee / Apogee	194 x 244 km
- Eccentricity	0.004
- Inclination	51.64°
- Period	88.82 min

Docking & landing data:

Docking date - time	28 Jun 1978 - 17:07:50 UT
Target spacecraft/port	Salyut 6/ aft
Undocking date - time	05 Jul 1978 - 10:14:50 UT
Deorbit burn date - time	05 Jul 1978 - 12:44 UT
Landing date - time	05 Jul 1978 - 13:30:20 UT
Landing location	51°N, 66°E
Flight Duration (d:hr:min)	07d 22h 02m 59s (7.91 days)
Nbr orbits	125

Flight Crew

Nr.	Surname	Given name	Job	Duration
1	Klimuk	Pyotr Iliyich	Commander	7d 22h 03m
2	Hermaszewski	Miroslaw	Research cosm. - Poland	7d 22h 03m

Backup Crew: Jankowski & Kubasov. br />

Klimuk and Hermaszewski before launch - Credit: RKK Energia.

Mission details:

Launch from Baikonur; landing 300 km west of Tselinograd; second Intercosmos-mission; docking on Salyut 6; experiments on the field of materials science; photography of Earth surface;
Soyuz 30 docked with Salyut 6 (second airlock) and Soyuz 29 on 1978 Jun 28.71.
Placed on board the Salyut-6 station, under the Intercosmos programme, a second international crew consisting of P.I. Klimuk (USSR) and M. Hermaszewski (Poland) to conduct scientific investigations and experiments.
Soyuz 30 undocked 1978 Jul 5.43

Location of Spacecraft: Military History Museum, Warsaw, Poland.

Astrophilately covers:

Launch cancel Baikonur, signed by crew.

Cover with launch cancel Baikonur and special Polish docking cancel: 28-6-78.

Cosmic Mail: Cover on board of Salyut 6, with special Polish boardcancel: -3-07-78, and bordcancel Soyuz 31: 27-8.78 signed by Soyuz 30 &: 31 crew. Credit: #409

Cosmic Mail: Cover on board of Salyut 6, with special Polish boardcancel: -5-7-78, and bordcancel Soyuz 31: 27-8.78 signed by Soyuz 30 &: 31 crew. Credit: #409

Cosmic Mail: Cover on board of Salyut 6, with special Polish boardcancel: 27-6-78, signed by Hermaszewski.

Docking cancel, signed by crew:

Ref.: #1, #2, #4, #7, #8, #16, #125, #206, #210, #409 - update: 12.12.2025

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