1581 results found
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 November 1973
Photo by:Juhani SipiläContact
Photo ID:151057Submit Correction
View count: 205
Registration / Serial:CCCP-12114
Aircraft Version:Antonov An-12
C/n (msn):402411
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 November 1973
Photo by:Juhani SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 November 1973
Photo by:Juhani SipiläContact
Photo ID:151057Submit Correction
View count: 205
Registration / Serial:CCCP-12114
Aircraft Version:Antonov An-12
C/n (msn):402411
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 November 1973
Photo by:Juhani SipiläContact
Registration / Serial:CCCP-65974
Aircraft Original Type:Tupolev Tu-134
Aircraft Generic Type:Tupolev Tu-134/135
Aircraft Version:Tupolev Tu-134A
C/n (msn):3352004
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:3 May 1976
Photo by:Pertti SipiläContact
Photo ID:149501Submit Correction
View count: 382
Wearing still old colours
Registration / Serial:CCCP-65974
Aircraft Version:Tupolev Tu-134A
C/n (msn):3352004
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:3 May 1976
Photo by:Pertti SipiläContact
Registration / Serial:CCCP-65974
Aircraft Original Type:Tupolev Tu-134
Aircraft Generic Type:Tupolev Tu-134/135
Aircraft Version:Tupolev Tu-134A
C/n (msn):3352004
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:3 May 1976
Photo by:Pertti SipiläContact
Photo ID:149501Submit Correction
View count: 382
Wearing still old colours
Registration / Serial:CCCP-65974
Aircraft Version:Tupolev Tu-134A
C/n (msn):3352004
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:3 May 1976
Photo by:Pertti SipiläContact
City / Airport:Amsterdam - Schiphol (EHAM / AMS)Map
Country:Netherlands
Photo Date:1983 to 1986
Photo by:Gerard HelmerContact
Photo ID:149359Submit Correction
View count: 262
Later flew with Pulkovo Avia.
Registration / Serial:CCCP-85579
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):83A579
Operator Titles:Aeroflot
City / Airport:Amsterdam - Schiphol (EHAM / AMS)Map
Country:Netherlands
Photo Date:1983 to 1986
Photo by:Gerard HelmerContact
City / Airport:Amsterdam - Schiphol (EHAM / AMS)Map
Country:Netherlands
Photo Date:1983 to 1986
Photo by:Gerard HelmerContact
Photo ID:149359Submit Correction
View count: 262
Later flew with Pulkovo Avia.
Registration / Serial:CCCP-85579
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):83A579
Operator Titles:Aeroflot
City / Airport:Amsterdam - Schiphol (EHAM / AMS)Map
Country:Netherlands
Photo Date:1983 to 1986
Photo by:Gerard HelmerContact
City / Area:Moscow / VDNKh [ Off-Airport ]Map
Country:Russia
Photo Date:13 February 1977
Photo by:Juhani SipiläContact
Photo ID:149349Submit Correction
View count: 940
The first prototype of Tu-134, still called the Tu-124A (the only one).
Registration / Serial:CCCP-45075
Aircraft Version:Tupolev Tu-124A
C/n (msn):0000
Operator Titles:Aeroflot
City / Area:Moscow / VDNKh [ Off-Airport ]Map
Country:Russia
Photo Date:13 February 1977
Photo by:Juhani SipiläContact
City / Area:Moscow / VDNKh [ Off-Airport ]Map
Country:Russia
Photo Date:13 February 1977
Photo by:Juhani SipiläContact
Photo ID:149349Submit Correction
View count: 940
The first prototype of Tu-134, still called the Tu-124A (the only one).
Registration / Serial:CCCP-45075
Aircraft Version:Tupolev Tu-124A
C/n (msn):0000
Operator Titles:Aeroflot
City / Area:Moscow / VDNKh [ Off-Airport ]Map
Country:Russia
Photo Date:13 February 1977
Photo by:Juhani SipiläContact
Registration / Serial:CCCP-09301
Aircraft Original Type:Antonov An-22 Antei
Aircraft Generic Type:Antonov An-22 Antei
Aircraft Version:Antonov An-22 Antei
C/n (msn):8340109
Operator Titles:Aeroflot / Russia - Air Force
City / Airport:Ivanovo - Severniy (XUDI)Map
Country:Russia
Photo Date:24 April 1997
Photo by:Gerard HelmerContact
Photo ID:149322Submit Correction
View count: 271
Early version. Scrapped later that year.
Registration / Serial:CCCP-09301
Aircraft Version:Antonov An-22 Antei
C/n (msn):8340109
Operator Titles:Aeroflot / Russia - Air Force
City / Airport:Ivanovo - Severniy (XUDI)Map
Country:Russia
Photo Date:24 April 1997
Photo by:Gerard HelmerContact
Registration / Serial:CCCP-09301
Aircraft Original Type:Antonov An-22 Antei
Aircraft Generic Type:Antonov An-22 Antei
Aircraft Version:Antonov An-22 Antei
C/n (msn):8340109
Operator Titles:Aeroflot / Russia - Air Force
City / Airport:Ivanovo - Severniy (XUDI)Map
Country:Russia
Photo Date:24 April 1997
Photo by:Gerard HelmerContact
Photo ID:149322Submit Correction
View count: 271
Early version. Scrapped later that year.
Registration / Serial:CCCP-09301
Aircraft Version:Antonov An-22 Antei
C/n (msn):8340109
Operator Titles:Aeroflot / Russia - Air Force
City / Airport:Ivanovo - Severniy (XUDI)Map
Country:Russia
Photo Date:24 April 1997
Photo by:Gerard HelmerContact
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
Photo ID:148440Submit Correction
View count: 299
Registration / Serial:CCCP-85640
Aircraft Version:Tupolev Tu-154M
C/n (msn):88A772
Operator Titles:Aeroflot
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
Photo ID:148440Submit Correction
View count: 299
Registration / Serial:CCCP-85640
Aircraft Version:Tupolev Tu-154M
C/n (msn):88A772
Operator Titles:Aeroflot
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
Photo ID:148422Submit Correction
View count: 253
Registration / Serial:CCCP-85710
Aircraft Version:Tupolev Tu-154M
C/n (msn):91A885
Operator Titles:Aeroflot
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
Photo ID:148422Submit Correction
View count: 253
Registration / Serial:CCCP-85710
Aircraft Version:Tupolev Tu-154M
C/n (msn):91A885
Operator Titles:Aeroflot
City / Airport:Düsseldorf - International (EDDL / DUS)Map
Country:Germany
Photo Date:24 July 1992
Photo by:Danny GrewContact
Registration / Serial:CCCP-11930
Aircraft Original Type:Antonov An-12
Aircraft Generic Type:Antonov An-12
Aircraft Version:Antonov An-12BP
C/n (msn):6344505
Operator Titles:Aeroflot / Soviet Union - Air Force
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:8 November 1973
Photo by:Juhani SipiläContact
Photo ID:147978Submit Correction
View count: 344
Almost civil aircraft?
Registration / Serial:CCCP-11930
Aircraft Version:Antonov An-12BP
C/n (msn):6344505
Operator Titles:Aeroflot / Soviet Union - Air Force
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:8 November 1973
Photo by:Juhani SipiläContact
Registration / Serial:CCCP-11930
Aircraft Original Type:Antonov An-12
Aircraft Generic Type:Antonov An-12
Aircraft Version:Antonov An-12BP
C/n (msn):6344505
Operator Titles:Aeroflot / Soviet Union - Air Force
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:8 November 1973
Photo by:Juhani SipiläContact
Photo ID:147978Submit Correction
View count: 344
Almost civil aircraft?
Registration / Serial:CCCP-11930
Aircraft Version:Antonov An-12BP
C/n (msn):6344505
Operator Titles:Aeroflot / Soviet Union - Air Force
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:8 November 1973
Photo by:Juhani SipiläContact
City / Area:Yegoryevsk / Aviation College [ Off-Airport ]Map
Country:Russia
Photo Date:25 August 1995
Photo by:Gerard HelmerContact
Photo ID:147352Submit Correction
View count: 130
Registration / Serial:CCCP-47767
Aircraft Version:Antonov An-24B
C/n (msn):79901402
Operator Titles:Aeroflot
City / Area:Yegoryevsk / Aviation College [ Off-Airport ]Map
Country:Russia
Photo Date:25 August 1995
Photo by:Gerard HelmerContact
City / Area:Yegoryevsk / Aviation College [ Off-Airport ]Map
Country:Russia
Photo Date:25 August 1995
Photo by:Gerard HelmerContact
Photo ID:147352Submit Correction
View count: 130
Registration / Serial:CCCP-47767
Aircraft Version:Antonov An-24B
C/n (msn):79901402
Operator Titles:Aeroflot
City / Area:Yegoryevsk / Aviation College [ Off-Airport ]Map
Country:Russia
Photo Date:25 August 1995
Photo by:Gerard HelmerContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 September 1987
Photo by:Pertti SipiläContact
Photo ID:147146Submit Correction
View count: 165
Later RA-86510. Scrapped 2003
Registration / Serial:CCCP-86510
Aircraft Version:Ilyushin Il-62M
C/n (msn):1035213
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 September 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 September 1987
Photo by:Pertti SipiläContact
Photo ID:147146Submit Correction
View count: 165
Later RA-86510. Scrapped 2003
Registration / Serial:CCCP-86510
Aircraft Version:Ilyushin Il-62M
C/n (msn):1035213
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 September 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:27 March 1989
Photo by:Pertti SipiläContact
Photo ID:147135Submit Correction
View count: 289
Later RA-85648. Scrapped 2010
Registration / Serial:CCCP-85648
Aircraft Version:Tupolev Tu-154M
C/n (msn):88A786
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:27 March 1989
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:27 March 1989
Photo by:Pertti SipiläContact
Photo ID:147135Submit Correction
View count: 289
Later RA-85648. Scrapped 2010
Registration / Serial:CCCP-85648
Aircraft Version:Tupolev Tu-154M
C/n (msn):88A786
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:27 March 1989
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1991
Photo by:Pertti SipiläContact
Photo ID:147130Submit Correction
View count: 248
Later RA-85626
Registration / Serial:CCCP-85626
Aircraft Version:Tupolev Tu-154M
C/n (msn):87A753
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1991
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1991
Photo by:Pertti SipiläContact
Photo ID:147130Submit Correction
View count: 248
Later RA-85626
Registration / Serial:CCCP-85626
Aircraft Version:Tupolev Tu-154M
C/n (msn):87A753
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1991
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 February 1991
Photo by:Pertti SipiläContact
Photo ID:147109Submit Correction
View count: 167
Ex-BNMAU-85564, CCCP-85564. Later RA-85564
Registration / Serial:CCCP-85564
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):82A564
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 February 1991
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 February 1991
Photo by:Pertti SipiläContact
Photo ID:147109Submit Correction
View count: 167
Ex-BNMAU-85564, CCCP-85564. Later RA-85564
Registration / Serial:CCCP-85564
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):82A564
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 February 1991
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:23 May 1987
Photo by:Pertti SipiläContact
Photo ID:147100Submit Correction
View count: 170
From 9/1992 operated in Georgia as CCCP-85518, 85518 and 4L-85518 by Orbi and Georgian Airlines
Registration / Serial:CCCP-85518
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):81A518
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:23 May 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:23 May 1987
Photo by:Pertti SipiläContact
Photo ID:147100Submit Correction
View count: 170
From 9/1992 operated in Georgia as CCCP-85518, 85518 and 4L-85518 by Orbi and Georgian Airlines
Registration / Serial:CCCP-85518
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):81A518
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:23 May 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:19 September 1987
Photo by:Pertti SipiläContact
Photo ID:147082Submit Correction
View count: 320
11/1992 to Orbi as 85496 and 4L-85496. Scrapped 8/2009
Registration / Serial:CCCP-85496
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):81A496
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:19 September 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:19 September 1987
Photo by:Pertti SipiläContact
Photo ID:147082Submit Correction
View count: 320
11/1992 to Orbi as 85496 and 4L-85496. Scrapped 8/2009
Registration / Serial:CCCP-85496
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):81A496
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:19 September 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 May 1992
Photo by:Pertti SipiläContact
Photo ID:147001Submit Correction
View count: 263
Later RA-85409
Registration / Serial:CCCP-85409
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):80A409
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 May 1992
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 May 1992
Photo by:Pertti SipiläContact
Photo ID:147001Submit Correction
View count: 263
Later RA-85409
Registration / Serial:CCCP-85409
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):80A409
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:9 May 1992
Photo by:Pertti SipiläContact
Registration / Serial:CCCP-76457
Aircraft Original Type:Ilyushin Il-76
Aircraft Generic Type:Ilyushin Il-76/78/82
Aircraft Version:Ilyushin Il-76T
C/n (msn):093421621
Operator Titles:Aeroflot
City / Airport:Moscow - Bykovo (BKA / UUBB) (closed)Map
Country:Russia
Photo Date:2 September 1993
Photo by:Gerard HelmerContact
Photo ID:146813Submit Correction
View count: 215
Operated by KGB
Registration / Serial:CCCP-76457
Aircraft Version:Ilyushin Il-76T
C/n (msn):093421621
Operator Titles:Aeroflot
City / Airport:Moscow - Bykovo (BKA / UUBB) (closed)Map
Country:Russia
Photo Date:2 September 1993
Photo by:Gerard HelmerContact
Registration / Serial:CCCP-76457
Aircraft Original Type:Ilyushin Il-76
Aircraft Generic Type:Ilyushin Il-76/78/82
Aircraft Version:Ilyushin Il-76T
C/n (msn):093421621
Operator Titles:Aeroflot
City / Airport:Moscow - Bykovo (BKA / UUBB) (closed)Map
Country:Russia
Photo Date:2 September 1993
Photo by:Gerard HelmerContact
Photo ID:146813Submit Correction
View count: 215
Operated by KGB
Registration / Serial:CCCP-76457
Aircraft Version:Ilyushin Il-76T
C/n (msn):093421621
Operator Titles:Aeroflot
City / Airport:Moscow - Bykovo (BKA / UUBB) (closed)Map
Country:Russia
Photo Date:2 September 1993
Photo by:Gerard HelmerContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:14 September 1986
Photo by:Pertti SipiläContact
Photo ID:146633Submit Correction
View count: 182
Later RA-85346
Registration / Serial:CCCP-85346
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):79A346
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:14 September 1986
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:14 September 1986
Photo by:Pertti SipiläContact
Photo ID:146633Submit Correction
View count: 182
Later RA-85346
Registration / Serial:CCCP-85346
Aircraft Version:Tupolev Tu-154B-2
C/n (msn):79A346
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:14 September 1986
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:22 February 1987
Photo by:Pertti SipiläContact
Photo ID:146628Submit Correction
View count: 1305
Later RA-85242
Registration / Serial:CCCP-85242
Aircraft Version:Tupolev Tu-154B-1
C/n (msn):77A242
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:22 February 1987
Photo by:Pertti SipiläContact
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:22 February 1987
Photo by:Pertti SipiläContact
Photo ID:146628Submit Correction
View count: 1305
Later RA-85242
Registration / Serial:CCCP-85242
Aircraft Version:Tupolev Tu-154B-1
C/n (msn):77A242
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:22 February 1987
Photo by:Pertti SipiläContact
Registration / Serial:CCCP-65967
Aircraft Original Type:Tupolev Tu-134
Aircraft Generic Type:Tupolev Tu-134/135
Aircraft Version:Tupolev Tu-134A
C/n (msn):3351905
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1987
Photo by:Pertti SipiläContact
Photo ID:146625Submit Correction
View count: 159
Later RA-65967. Broken up 2007
Registration / Serial:CCCP-65967
Aircraft Version:Tupolev Tu-134A
C/n (msn):3351905
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1987
Photo by:Pertti SipiläContact
Registration / Serial:CCCP-65967
Aircraft Original Type:Tupolev Tu-134
Aircraft Generic Type:Tupolev Tu-134/135
Aircraft Version:Tupolev Tu-134A
C/n (msn):3351905
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1987
Photo by:Pertti SipiläContact
Photo ID:146625Submit Correction
View count: 159
Later RA-65967. Broken up 2007
Registration / Serial:CCCP-65967
Aircraft Version:Tupolev Tu-134A
C/n (msn):3351905
Operator Titles:Aeroflot
City / Airport:Helsinki - Vantaa (EFHK / HEL)Map
Country:Finland
Photo Date:5 October 1987
Photo by:Pertti SipiläContact