222 results found
Registration / Serial:N6907E
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56407
City / Airport:Compton Abbas (EGHA)Map
Region / Country:England, United Kingdom
Photo Date:31 August 2010
Photo by:Howard J CurtisContact
Photo ID:872673Submit Correction
View count: 14
Registration / Serial:N6907E
Aircraft Version:Cessna 175A Skylark
C/n (msn):56407
City / Airport:Compton Abbas (EGHA)Map
Region / Country:England, United Kingdom
Photo Date:31 August 2010
Photo by:Howard J CurtisContact
Registration / Serial:N6907E
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56407
City / Airport:Compton Abbas (EGHA)Map
Region / Country:England, United Kingdom
Photo Date:31 August 2010
Photo by:Howard J CurtisContact
Photo ID:872673Submit Correction
View count: 14
Registration / Serial:N6907E
Aircraft Version:Cessna 175A Skylark
C/n (msn):56407
City / Airport:Compton Abbas (EGHA)Map
Region / Country:England, United Kingdom
Photo Date:31 August 2010
Photo by:Howard J CurtisContact
Registration / Serial:OH-CHE
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
Aircraft Name:Old Lady
City / Airport:Helsinki - Malmi (EFHF / HEM)Map
Country:Finland
Photo Date:12 August 2000
Photo by:Pertti SipiläContact
Photo ID:872655Submit Correction
View count: 21
Ex-SE-CTT, N8027T
Registration / Serial:OH-CHE
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Helsinki - Malmi (EFHF / HEM)Map
Country:Finland
Photo Date:12 August 2000
Photo by:Pertti SipiläContact
Registration / Serial:OH-CHE
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
Aircraft Name:Old Lady
City / Airport:Helsinki - Malmi (EFHF / HEM)Map
Country:Finland
Photo Date:12 August 2000
Photo by:Pertti SipiläContact
Photo ID:872655Submit Correction
View count: 21
Ex-SE-CTT, N8027T
Registration / Serial:OH-CHE
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Helsinki - Malmi (EFHF / HEM)Map
Country:Finland
Photo Date:12 August 2000
Photo by:Pertti SipiläContact
Registration / Serial:N9300B
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175
C/n (msn):175-55100
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:30 September 2018
Photo by:Dietmar SchreiberContact
Photo ID:868905Submit Correction
View count: 22
Registration / Serial:N9300B
Aircraft Version:Cessna 175
C/n (msn):175-55100
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:30 September 2018
Photo by:Dietmar SchreiberContact
Registration / Serial:N9300B
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175
C/n (msn):175-55100
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:30 September 2018
Photo by:Dietmar SchreiberContact
Photo ID:868905Submit Correction
View count: 22
Registration / Serial:N9300B
Aircraft Version:Cessna 175
C/n (msn):175-55100
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:30 September 2018
Photo by:Dietmar SchreiberContact
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2025
Photo Date:25 July 2025
Photo by:Javier RodríguezContact
Photo ID:857697Submit Correction
View count: 38
Registration / Serial:N7100M
Aircraft Version:Cessna 175/TD
C/n (msn):55400
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:25 July 2025
Photo by:Javier RodríguezContact
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2025
Photo Date:25 July 2025
Photo by:Javier RodríguezContact
Photo ID:857697Submit Correction
View count: 38
Registration / Serial:N7100M
Aircraft Version:Cessna 175/TD
C/n (msn):55400
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:25 July 2025
Photo by:Javier RodríguezContact
City / Airport:Everett - Snohomish County / Paine Field (KPAE / PAE)Map
Region / Country:Washington, United States
Photo Date:26 June 2025
Photo by:Peter BakemaContact
Photo ID:853239Submit Correction
View count: 40
Registration / Serial:N7291M
Aircraft Version:Cessna 175
C/n (msn):55591
City / Airport:Everett - Snohomish County / Paine Field (KPAE / PAE)Map
Region / Country:Washington, United States
Photo Date:26 June 2025
Photo by:Peter BakemaContact
City / Airport:Everett - Snohomish County / Paine Field (KPAE / PAE)Map
Region / Country:Washington, United States
Photo Date:26 June 2025
Photo by:Peter BakemaContact
Photo ID:853239Submit Correction
View count: 40
Registration / Serial:N7291M
Aircraft Version:Cessna 175
C/n (msn):55591
City / Airport:Everett - Snohomish County / Paine Field (KPAE / PAE)Map
Region / Country:Washington, United States
Photo Date:26 June 2025
Photo by:Peter BakemaContact
City / Airport:Stadtlohn / Vreden (EDLS)Map
Country:Germany
Photo Date:13 August 2025
Photo by:Vico SandersContact
Photo ID:842475Submit Correction
View count: 61
Registration / Serial:D-EDIX
Aircraft Version:Cessna 175
C/n (msn):55114
City / Airport:Stadtlohn / Vreden (EDLS)Map
Country:Germany
Photo Date:13 August 2025
Photo by:Vico SandersContact
City / Airport:Stadtlohn / Vreden (EDLS)Map
Country:Germany
Photo Date:13 August 2025
Photo by:Vico SandersContact
Photo ID:842475Submit Correction
View count: 61
Registration / Serial:D-EDIX
Aircraft Version:Cessna 175
C/n (msn):55114
City / Airport:Stadtlohn / Vreden (EDLS)Map
Country:Germany
Photo Date:13 August 2025
Photo by:Vico SandersContact
Registration / Serial:N8144T
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556844
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2025
Photo Date:22 July 2025
Photo by:Javier RodríguezContact
Photo ID:832127Submit Correction
View count: 65
Registration / Serial:N8144T
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556844
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:22 July 2025
Photo by:Javier RodríguezContact
Registration / Serial:N8144T
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556844
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2025
Photo Date:22 July 2025
Photo by:Javier RodríguezContact
Photo ID:832127Submit Correction
View count: 65
Registration / Serial:N8144T
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556844
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:22 July 2025
Photo by:Javier RodríguezContact
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:31 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829895Submit Correction
View count: 56
Registration / Serial:N5HV
Aircraft Version:Cessna 175
C/n (msn):55366
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:31 May 2022
Photo by:Dietmar SchreiberContact
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:31 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829895Submit Correction
View count: 56
Registration / Serial:N5HV
Aircraft Version:Cessna 175
C/n (msn):55366
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:31 May 2022
Photo by:Dietmar SchreiberContact
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829625Submit Correction
View count: 43
taking off on a glacier
Registration / Serial:N133JP
Aircraft Version:Cessna 175
C/n (msn):17555841
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829625Submit Correction
View count: 43
taking off on a glacier
Registration / Serial:N133JP
Aircraft Version:Cessna 175
C/n (msn):17555841
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829251Submit Correction
View count: 60
Landing uphill on a glacier.
Registration / Serial:N133JP
Aircraft Version:Cessna 175
C/n (msn):17555841
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Photo ID:829251Submit Correction
View count: 60
Landing uphill on a glacier.
Registration / Serial:N133JP
Aircraft Version:Cessna 175
C/n (msn):17555841
Location:Not known
Region / Country:Alaska, United States
Photo Date:30 May 2022
Photo by:Dietmar SchreiberContact
Registration / Serial:G-APZS
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56677
City / Airport:Southend (EGMC / SEN)Map
Region / Country:England, United Kingdom
Photo Date:7 December 1975
Photo by:Terry DannContact
Photo ID:828509Submit Correction
View count: 59
Written off landing at Edinburgh Turnhouse on 29th June 1994.
Registration / Serial:G-APZS
Aircraft Version:Cessna 175A Skylark
C/n (msn):56677
City / Airport:Southend (EGMC / SEN)Map
Region / Country:England, United Kingdom
Photo Date:7 December 1975
Photo by:Terry DannContact
Registration / Serial:G-APZS
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56677
City / Airport:Southend (EGMC / SEN)Map
Region / Country:England, United Kingdom
Photo Date:7 December 1975
Photo by:Terry DannContact
Photo ID:828509Submit Correction
View count: 59
Written off landing at Edinburgh Turnhouse on 29th June 1994.
Registration / Serial:G-APZS
Aircraft Version:Cessna 175A Skylark
C/n (msn):56677
City / Airport:Southend (EGMC / SEN)Map
Region / Country:England, United Kingdom
Photo Date:7 December 1975
Photo by:Terry DannContact
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2024
Photo Date:26 July 2024
Photo by:Bart HoekstraContact
Photo ID:824933Submit Correction
View count: 49
Registration / Serial:N7489M
Aircraft Version:Cessna 175
C/n (msn):55789
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:26 July 2024
Photo by:Bart HoekstraContact
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Event:EAA AirVenture Oshkosh 2024
Photo Date:26 July 2024
Photo by:Bart HoekstraContact
Photo ID:824933Submit Correction
View count: 49
Registration / Serial:N7489M
Aircraft Version:Cessna 175
C/n (msn):55789
City / Airport:Oshkosh - Wittman Regional (KOSH / OSH)Map
Region / Country:Wisconsin, United States
Photo Date:26 July 2024
Photo by:Bart HoekstraContact
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:30 May 2025
Photo by:Dietmar SchreiberContact
Photo ID:817486Submit Correction
View count: 60
Registration / Serial:N7218M
Aircraft Version:Cessna 175
C/n (msn):55518
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:30 May 2025
Photo by:Dietmar SchreiberContact
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:30 May 2025
Photo by:Dietmar SchreiberContact
Photo ID:817486Submit Correction
View count: 60
Registration / Serial:N7218M
Aircraft Version:Cessna 175
C/n (msn):55518
City / Seaplane Base:Anchorage - Lake Hood Strip / Seaplane (PALH / LHD)Map
Region / Country:Alaska, United States
Photo Date:30 May 2025
Photo by:Dietmar SchreiberContact
City / Airport:Auburn - Municipal (S50)Map
Region / Country:Washington, United States
Photo Date:16 May 2025
Photo by:Andrzej RejterContact
Photo ID:816538Submit Correction
View count: 81
Registration / Serial:N6551E
Aircraft Version:Cessna 175
C/n (msn):56051
City / Airport:Auburn - Municipal (S50)Map
Region / Country:Washington, United States
Photo Date:16 May 2025
Photo by:Andrzej RejterContact
City / Airport:Auburn - Municipal (S50)Map
Region / Country:Washington, United States
Photo Date:16 May 2025
Photo by:Andrzej RejterContact
Photo ID:816538Submit Correction
View count: 81
Registration / Serial:N6551E
Aircraft Version:Cessna 175
C/n (msn):56051
City / Airport:Auburn - Municipal (S50)Map
Region / Country:Washington, United States
Photo Date:16 May 2025
Photo by:Andrzej RejterContact
City / Airport:Warsaw - Babice (EPBC)Map
Country:Poland
Photo Date:8 August 2014
Photo by:Peter BakemaContact
Photo ID:802940Submit Correction
View count: 52
Registration / Serial:SP-FYZ
Aircraft Version:Cessna 175
C/n (msn):17557099
City / Airport:Warsaw - Babice (EPBC)Map
Country:Poland
Photo Date:8 August 2014
Photo by:Peter BakemaContact
City / Airport:Warsaw - Babice (EPBC)Map
Country:Poland
Photo Date:8 August 2014
Photo by:Peter BakemaContact
Photo ID:802940Submit Correction
View count: 52
Registration / Serial:SP-FYZ
Aircraft Version:Cessna 175
C/n (msn):17557099
City / Airport:Warsaw - Babice (EPBC)Map
Country:Poland
Photo Date:8 August 2014
Photo by:Peter BakemaContact
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:4 June 2022
Photo by:Dietmar SchreiberContact
Photo ID:801098Submit Correction
View count: 60
Registration / Serial:N7214M
Aircraft Version:Cessna 175
C/n (msn):55514
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:4 June 2022
Photo by:Dietmar SchreiberContact
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:4 June 2022
Photo by:Dietmar SchreiberContact
Photo ID:801098Submit Correction
View count: 60
Registration / Serial:N7214M
Aircraft Version:Cessna 175
C/n (msn):55514
City / Airport:Palmer - Buddy Woods Municipal (PAAQ / PAQ)Map
Region / Country:Alaska, United States
Photo Date:4 June 2022
Photo by:Dietmar SchreiberContact
Registration / Serial:N8198T
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556898
City / Airport:Rotterdam / The Hague (EHRD / RTM)Map
Country:Netherlands
Photo Date:September 1979
Photo by:Jan MakkusContact
Photo ID:795035Submit Correction
View count: 50
A frequent visitor / temporary resident at Zestienhoven in the late seventies and early eighties. On 28 February 1986 the Cessna Skylark was exported to Germany.
Registration / Serial:N8198T
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556898
City / Airport:Rotterdam / The Hague (EHRD / RTM)Map
Country:Netherlands
Photo Date:September 1979
Photo by:Jan MakkusContact
Registration / Serial:N8198T
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556898
City / Airport:Rotterdam / The Hague (EHRD / RTM)Map
Country:Netherlands
Photo Date:September 1979
Photo by:Jan MakkusContact
Photo ID:795035Submit Correction
View count: 50
A frequent visitor / temporary resident at Zestienhoven in the late seventies and early eighties. On 28 February 1986 the Cessna Skylark was exported to Germany.
Registration / Serial:N8198T
Aircraft Version:Cessna 175B Skylark
C/n (msn):17556898
City / Airport:Rotterdam / The Hague (EHRD / RTM)Map
Country:Netherlands
Photo Date:September 1979
Photo by:Jan MakkusContact
Registration / Serial:LN-AAE
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175C Skylark
C/n (msn):17557093
City / Airport:Lillestrøm - Kjeller (ENKJ)Map
Country:Norway
Photo Date:30 July 2001
Photo by:Kjell O Granlund - ScanavphotoContact
Photo ID:792717Submit Correction
View count: 75
Registration / Serial:LN-AAE
Aircraft Version:Cessna 175C Skylark
C/n (msn):17557093
City / Airport:Lillestrøm - Kjeller (ENKJ)Map
Country:Norway
Photo Date:30 July 2001
Photo by:Kjell O Granlund - ScanavphotoContact
Registration / Serial:LN-AAE
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175C Skylark
C/n (msn):17557093
City / Airport:Lillestrøm - Kjeller (ENKJ)Map
Country:Norway
Photo Date:30 July 2001
Photo by:Kjell O Granlund - ScanavphotoContact
Photo ID:792717Submit Correction
View count: 75
Registration / Serial:LN-AAE
Aircraft Version:Cessna 175C Skylark
C/n (msn):17557093
City / Airport:Lillestrøm - Kjeller (ENKJ)Map
Country:Norway
Photo Date:30 July 2001
Photo by:Kjell O Granlund - ScanavphotoContact
Registration / Serial:G-ARFG
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56505
City / Airport:North Weald (EGSX)Map
Region / Country:England, United Kingdom
Photo Date:9 July 2006
Photo by:Peter BakemaContact
Photo ID:789949Submit Correction
View count: 53
Registration / Serial:G-ARFG
Aircraft Version:Cessna 175A Skylark
C/n (msn):56505
City / Airport:North Weald (EGSX)Map
Region / Country:England, United Kingdom
Photo Date:9 July 2006
Photo by:Peter BakemaContact
Registration / Serial:G-ARFG
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56505
City / Airport:North Weald (EGSX)Map
Region / Country:England, United Kingdom
Photo Date:9 July 2006
Photo by:Peter BakemaContact
Photo ID:789949Submit Correction
View count: 53
Registration / Serial:G-ARFG
Aircraft Version:Cessna 175A Skylark
C/n (msn):56505
City / Airport:North Weald (EGSX)Map
Region / Country:England, United Kingdom
Photo Date:9 July 2006
Photo by:Peter BakemaContact
Registration / Serial:SE-CTT
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Tampere - Härmälä (EFTA) (closed)Map
Country:Finland
Photo Date:January 1970 to March 1970
Photo by:Pertti SipiläContact
Photo ID:781714Submit Correction
View count: 99
The owner was Finnshow AB, Huddinge, and the operator Viihdeohjelma, Tampere. Ex-N8027T. Later OH-CHE, SE-CTT, OH-CHE
Registration / Serial:SE-CTT
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Tampere - Härmälä (EFTA) (closed)Map
Country:Finland
Photo Date:January 1970 to March 1970
Photo by:Pertti SipiläContact
Registration / Serial:SE-CTT
Aircraft Original Type:Cessna 175 Skylark
Aircraft Generic Type:Cessna 175 Skylark
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Tampere - Härmälä (EFTA) (closed)Map
Country:Finland
Photo Date:January 1970 to March 1970
Photo by:Pertti SipiläContact
Photo ID:781714Submit Correction
View count: 99
The owner was Finnshow AB, Huddinge, and the operator Viihdeohjelma, Tampere. Ex-N8027T. Later OH-CHE, SE-CTT, OH-CHE
Registration / Serial:SE-CTT
Aircraft Version:Cessna 175A Skylark
C/n (msn):56727
City / Airport:Tampere - Härmälä (EFTA) (closed)Map
Country:Finland
Photo Date:January 1970 to March 1970
Photo by:Pertti SipiläContact