• YV-29C de Havilland Canada Inc., Downsview, ON. Rolled out date unknown. First flight 04-Feb-1977.

• YV-29C Delivered to LAV-Línea Aeropostal Venezolana Caracas, Venezuela, 19-Apr-1977.

• YV-529C Sold to Linea Turistica Aerotuy, Caracas, Venezuela, Jan-1988.

• N81708 Sold to Twin Otter International Ltd., North Las Vegas, NV. 13-Mar-1995.

• N251SA Re regd to Twin Otter International Ltd , Oct-1995.

Airworthiness Cert 11-Jun-1996.

• N251SA Leased to Seaborne Aviation, St Croix, USVI, 1997.

• N251SA Transferred to Seaborne Aviation, Ketchikan, AK, Apr-1998.

Seriesvice Difficulty Report 28-Jun-1998. On flight from Mississauga to Ketchikan, crew reported unscheduled auto feather right side on take-off'. The crew returned to dock with no further problem. Replaced auto feather pressure switch.

• N251SA Change of name to Seaborne Airlines, Ketchikan AK, 2001.

• N251SA Sold to Seaborne Airlines, Ketchikan, AK, 25-Feb-2003.

• N251SA Transferred to Seaborne Virgin Islands Inc., Christiansted, Virgin Islands, 08-Apr-2003.

• N251SA C-Plane LLC, Christiansted, VI & Salem, OR., 09-Apr-2009. Sold 22-Aug-2012.

• N251SA Sold to Montecito New York LLC., Scottsdale, AZ. Regd 04-Sep-2012.

Flew 28-Jan-2015 San Juan-Marin Int'l., PR - Providenciales, Turks & Caicos - Nassau, Bahamas - Fort Lauderdale, FL. 30-Jan-2015 Fort Lauderdale, FL - Lantana-Palm Beach County, FL Savannah, GA - Rutherfordton, NC Where it was scheduled to receive new Srs 27 engines.

25-Jun-2016 Flight planned for Key West, FL – Cozumel but not operated.

• N251SA Twin Otter. Holdings LLC., Wilmington, DE (CAAMS Leasing). Regd 24-Jun-2016. Canx 29-Jun-2016 on export to Guatemala.

• TG-JCA Aero Ruta Maya SA. (ARM Aviación S.A.) Guatemala City, Guatemala. Regd Jun-2016.

Note: During 2017 & 2018. flew for United Nations Humanitarian Air Seriesvice (UNHAS).

• TG-JCA Jam Air Express, Montego Bay, Jamaica, by Jun-2019. Leased aircraft.