TWINOTTERARCHIVE master index

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msn 593
DHC-6 Twin Otter Series 300
9M-***
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593

Series 300

N663MA • N169SG • RDPL-34179 • N564D • HB-LYR • 9A-TOF • HB-LYR

9M-***

• Registration • Activity and details of Owner/Operator and other historical information

• N663MA de Havilland Canada Inc., Downsview, ON. Rolled out date 09-Jun-1978. First flight 22-Jun-1978.

Airworthiness Cert. 26-Jul-1978.

• N663MA Aramco Services Co - Arabian American Oil Coy. Delivered 27-Jul-1978.

• N663MA Aramco Associated Company. Regd 12-Dec-1981.Canx 21-Feb-2006.

• N663MA Texas Aviation Sales LLC., Houston, TX. Regd 19-May-2010.

• N169SG Re regd to Texas Aviation Sales, Houston, TX. Regd 19-May-2010. Canx 20 Apr-2011.

• RDPL 34179 Government of Laos – Lao Air. Regd 20-Apr-2011.

Note: Ferried to Laos via Burlington – Goose Bay – Reykjavik arriving Bournemouth UK 12-Mar 2011 and stayed while faulty fuel pump repaired. Left for Luqa Malta on 07-Apr-2011. Arrived Vientiane 13-Apr-2011 and officially exported to Laos on 20-Apr-2011.

• N564D Cloud to 593 LLC., Delray Beach, FL. Regd 23-Jul-2014. Canx 03-Feb-2016 on export to Switzerland.

Flew 22-Aug-2014 Vientiane, Laos - Mactan-Cebu Int'l, Philippines 23-Aug-2014 Mactan-Cebu Int'l, Philippines – Guam. 24-Aug-2014 Guam - Majuro, Marshall Islands. 25-Aug-2014 Majuro, Marshall Islands - Honolulu, HI. 27-Aug-2014 Honolulu, HI - McMinnville, OR. 29-Aug-2014 McMinnville, OR - Kemmerer, WY - Salina, KS 30-Aug-2014 Salina, KS - Fort Pierce, FL.

Service Difficulty Report 01-Jan-2016. Engine was installed after overhaul. Ground run and performance run was satisfactory. Aircraft was flight tested for 45 minutes and was running well.

Aircraft departed for export to Switzerland and flew for 45 minutes before oil pressure and torque pressure fluctuations were noticed. Aircraft  diverted back to the base. Investigated for oil pressure fluctuation and torque fluctuation and found that there was considerable oil loss from the system internally from the engine and oil leak noticed from engine bleed valve and many other engine case fittings. Engineers now decided to pull it out and send for further investigation at the overhaul shop.

30-Jan-2016 Fort Pierce-Saint Lucie County, FL – Bermuda. 31-Jan-2016 Bermuda - Santa Maria. 01-Feb-2016 Santa Maria – Bern on delivery to RUAG.

• HB-LYR RUAG Schweiz AG., Emmen, Switzerland. Regd 16-Feb-2016.

• HB-LYR European Coastal Airlines. Seen at Bern 22-Apr-2016. Cancelled 17-Dec-2019 on export to Malaysia.

Flew Sion – Belgrade – Hurghada – Al Ain between 06 & 10 Dec-2019. Continued Al Ain – Male – Kuala Lumpur-Subang 11 & 12 Dec-2019 en route to Malaysia  for new airline SKS Airways.

Current

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Latest update

• Revised format Sep-2019 • Data updated 20-Sep-2019 • Data updated 20-Dec-2019 •

N169SG at Bournemouth / Hurn - , UK.
Photo: Mark Empson © 14 March 2011 - Erik Johannesson Collection
N564D at Vientiane / Watty Airport - VLVT, Laos.
Photo:Dee Garay © 23 August 2014 - Erik Johannesson Collection
N564D at Fort Pierce / St. Lucie County - KFPR, Florida.
Photos: Chris Mash © 30 August 2014 - Erik Johannesson Collection
HB-LYR at RUAG facilities, Bern / Belp - LSZB, Swtzerland.
Photo: RUAG © Date unknown - Erik Johannesson Collection
HB-LYR at Kuala Lumpur / Subang - SZB, Skypark Terminal, after delivery flight.
Photo: Unknown photographer © 12 December 2019 - Erik Johannesson Collection