THURSTON TSC-1A TEAL # 7

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OH-THA Photo: Kari Tarhanen 2018

OH-THA
Finland
2018
Photo: © courtesy of Kari Tarhanen

Aircraft Data

Manufacturer: Thurston Aircraft Corporation; Sanford, Maine, USA.
Model: TSC-1A Teal
Type Certificate No: A15EA
Serial Number: 7
Manufacturing Date: 1970-??-??
Engine:

Avco Lycoming O-320-A3B 150 hp @ 2700 RPM

Remarks:  
 
Reg. No. Date Remarks
(N2007T) 1970-??-?? Manufacturing date, built at Sanford Airport, Maine.  Reserved registration number at factory.
1970-??-?? FAA C of A issued.
1970-??-?? First flight from Sanford Airport; Sanford, Maine, USA.
1970-05-14 US Export C of A # E87202 issued for export to Finland.
1970-06-02 Bill of Sale: Thurston Aircraft Corporation / Yrjö Laakso & Co Oy; Helsinki, Finland.
OH-THA 1970-06-24 Temporary C of R issued to Yrjö Laakso & Co Oy; Helsinki, Finland.
1970-06-24 C of A issued. First flight in Finland from Helsinki-Vantaa Airport - EFHK, piloted by designer David B. Thurston (!), 1 hr flight.
1970-06-30 Inspection at Helsinki Airport. A/C total time: 3:25 hrs.
1970-07-01 C o R # 631 issued to Ky Yrjö Laakso & Co; Helsinki, Finland. (Or 1970-07-07?).
1970-07-09 Yrjö Laakso & Co Oy; Helsinki (Change of legal entity).
1971-07-09 Inspection at Helsinki-Malmi Airport -EFHF. A/C total time: 73:25 hrs.
1971-07-14 Landed on Lake Niilesjärvi near Oulu 14:21 local time with gear down whilst on flight from Oulu.  Both people aboard swam safely ashore. A/C sustained substantial damage. A/C total time: 78:30 hrs. (PIC: K. Rajala; Oulunsalo).
1972-01-31 C of A expired.
1974-11-27 Cancelled from Finnish Register as destroyed.
1977-08-30 Cancelled (again!) as not airworthy since more than two years. 
1982-02-18 Bill of Sale: Seller: Eero Hokkanen [Kaituentie 27 E 69, FI-50160 Mikkeli], (Yrjö Laakso & Co Oy).  Purchaser: Länsi-Savo Oy; Teollisuuskatu 2-6, FI-50130 Mikkeli, Finland.
1986-07-01 Observed at Rissala.
1986-08-28 Temporary C of R # 631 [1] issued to Länsi-Savo Oy; Mikkeli, on completion of rebuild.
1986-11-07 Temporary C of R [2] issued.
1987-02-05 Temporary C of R [3] issued.  Expired 1987-02-28.
1987-04-28 Temporary C of R [4] issued.  Expired 1987-06-15.
1987-07-30 Temporary C of R [5] issued.
1987-09-15 Inspection at Kuopio Airport - EFKU. A/C total time: 82 hrs.
1988-05-19 Full C of A issued.
1988-05-30 C of R # 631 restored with company Länsi-Savo Oy; Mikkeli, Finland.
1989-09-19 Annual at Mikkeli Airport - EFMI. A/C total time: 101 hrs.
1991-06-17 Last recorded flight.
1991-09-20 Annual at Mikkeli Airport - EFMI. A/C total time: 108 hrs.
1993-09-30 C of A expired.
1996-06-30 Observed hangared at Mikkelo EFMI.
1997-06-30 Cancelled as not airworthy since at least two years.
2016 For sale. Total time 108 hrs.

Engine: Lycoming O-320-A3B, installed 1986. Running time since overhaul 432 hrs. Overhauled on 21 Sep 1970.

Propeller:  Hartzell HC-C2YL-1BF, installed 1991, Running time since overhaul 5 hrs. Overhauled April 91. Total time 113 hrs.

Avionics: VFR, no radio

Aircraft was inspected July 2016. A/C  is not airworthy, last logbook entry 17.6.1991, Last ARC done 20.9.1991. Expected annual maintenance, systems are working, always hangared, nice clean paint (white with beige stripes on side). Located in Mikkeli EFMI, Finland.

2017-07-07 Bill of Sale: Seller: Länsi-Savo Oy; Teollisuuskatu 2-6, FI-50130 Mikkeli, Finland. Purchaser: Kari Tarhanen; Hindsbyntie 35, FI-04130 Sipoo, Finland.
2017-07-13 C of R # THA20170713REG issued to:
Kari Johannes Tarhanen; Hindsbyntie 35, FI-04130 Sipoo, Finland.
2018-04-13 First flight after restoration.  Ferry flight from Mikkeli Airport EFMI to Lahti-Vesivehmaa Airport EFLA.
  Sources: Paul R. Compton
Eino Ritaranta
Kyosti Partonen
Kari Tarhanen

OH-THA

OH-THA
Mikkeli (EFMI), Finland
2016
Photo: © please tell me!

OH-THA

OH-THA
Mikkeli (EFMI), Finland
2016
Photo: © please tell me!

OH-THA

OH-THA
Mikkeli (EFMI), Finland
2016
Photo: © please tell me!

OH-THA

OH-THA
Mikkeli (EFMI), Finland
2016
Photo: © please tell me!

OH-THA Photo: Kyosti Partonen 1986

OH-THA
Kuopio Airport - Rissala (EFKU), Kuopio, Finland
01 July 1986
Photo: © courtesy of Kyosti Partonen

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Updated: 2018-08-16

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