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msn 14
DHC-6 Twin Otter Series 100
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msn 14

Series 100


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

• N121PM de Havilland Canada Inc., Downsview, ON. Rolled out 11-Oct-1966. First flight 13-Oct-1966.

• N121PM Pilgrim Airlines, Groton-New London Airport, CT. Delivered 18-Oct-1966.

Incident: Farmingdale, NY. 19-Jan 1967. No.1 engine failed. Pilot made safe landing.

Accident: Windsor Locks, CT. 06-Mar-1970. Crashed on take-off as a result of a damaged rudder; repaired & returned to service.

Accident, Flushing, NY. 04-Jun-1971 Post office employee walked into idling prop after loading mail. Ramp area lighted

Incident: Groton, CT. 18-Dec-1985. After takeoff, the captain noticed left airspeed and altimeter was not working properly and returned to Groton. Maintenance suspected ice in static system. Inspected and performed a static test and found all satisfactory. Suspect blockage (ice) had melted before test was conducted because system subsequently worked s fine.

Incident: Liberty National Airport Newark, NJ .18-Feb-1986. After takeoff and at 2500 ft. the right engine made a loud bang, followed by vibration. Engine shutdown procedures followed and was landed at Teterboro without further incident. Initial inspection determined that engine failed internally cause of failure is unknown at this time. Inspection revealed that compressor turbine blades failed, actual cause of blade failure is not certain, but sulfidation is suspected.

• N121PM Merged with Business Express, Westport, CT. who acquired assets of Pilgrim Airlines. 28-Feb-1986.

Note: Aircraft was unused and stored at Teterboro, New Jersey. Mar-1986 and later at Groton/New London by Aug-1986.

• N121PM Sold to Joseph M. Fugere. Regd 30-Dec-1986.

• N121PM Sold to California City Parachute Club, California City, CA. Regd 28-May-1987.

• N121PM Change of name to Southern California Skydiving Club, California City, CA. Regd.6-Sep 1989.

• N121PM Registered to One Papa Mike Corporation, California City, CA. Regd 16-Aug-1990. Continued to operate under the title of Southern California Skydiving Club, California City, CA.

Accident: Perris, CA; 09-Dec-1990. After lift-off, at about 100 ft agl and 85 kts, the left eng decelerated and the airplane began to yaw and roll left. The pic aborted the takeoff, turned left and landed on a flat level field. The airplane struck a fence, then trees. Examination of the left eng revealed the loss of power was attributed to a fatigue fracture of a compressor turbine blade, which led to subsequent blade fractures. The right eng was examined and found to have advance wear on the throttle cam assembly of the power turbine governor. In a test cell, only aprx 28% of takeoff power could be achieved. The cam lobe wear had progressed over an extended period of time. The right engine prop governor was replaced 18-Nov-1990, followed by a test run.

• N121PM Sussex Skydive, Sussex, NJ. (Freefall Adventures Ltd. Williamstown, NJ). Regd 12-Apr-2011.

Incident: 21-Aug-2012.Damaged when a door separated from aircraft during flight near Cross Keys NJ. Reparable.

Note: Sussex Skydive and affiliated companies have been in bankruptcy since Oct-2014 and the aircraft has been parked at the Cross Keys Airport in New Jersey.

Total time: 50,044 hours.

• N121PM Freefall Adventures Inc, Williamstown, NJ. Regd 22-Oct-2014.

Note: Aircraft was auctioned at Williamstown, NJ through Tramzon Auctions ON. 12-Apr-2016.

Total time: 50,044. Avionics: Aspen PFD, Garmin SL30 Nav/Com, Tray for missing Garmin 530, GTX 330 (2), Garmin 347 Audio Panel, Garmin MX20 Multi function display. Remarks: Inflight roll up door, bench seating, recent gear rebuild by JAS, emergency exit doors, low empty weight,

• N121PM Sold to Randigo LLC., Wilmington, DE. Also quoted as Freefall Adventures, Inc. Regn Pending 20-Jul-2016. Regd 17-Oct-2016.


N121PM for Pilgrim Airlines at Downsview, Ontario.
Photo:Sheldon D. Benner © 15 October 1966 - Michael J. Ody Collection
N121PM at Teterboro - KTEB, New Jersey.
Photo: Bob Weinwurzel © 15 March 1986 - Michael J. Ody Collection
N121PM at Groton - New London Airport - KGON, Connnecticut.
Photo: Unknown photographer © July 1986 - Michael J. Ody Collection
N121PM as a jump ship at California City - L71, California.
Photo: Charles Stewart © January 1989 - Erik Johannesson Collection
N121PM at Hampton -Clayton County / Tara Field - 4A7, Georgia.
Photo: Roger Botting © Date unknown
N121PM at Tullahoma - KTHA, Tennessee.
Photo: Jan Mangelschots © 15 October 2021 - Aird Archives