Dates

Event

1955

Constructed as an E18S.

4 August 1955

To J. R. Gray Company, Dallas, TX with new c/r N3753B {1}.

October 1955

To Perkins-Prothro Company keeping c/r N3753B {1}.

14 July 1960

Damaged.
Damaged during take-off from Boulder, CO.

13 January 1961

To J. W. Duff Aircraft Company, Denver, CO keeping c/r N3753B {1}.

17 June 1963

To Volitan Aviation, Van Nuys, CA keeping c/r N3753B {1}.

4 December 1963

To Volpar Inc, Van Nuys, CA with new c/r N340V.

From 4 December 1963 to 1967

Converted to a 18T.
Prototype Volpar Super Turbo 18.

October 1964

Certificate of airworthiness for N340V issued.
For Research and Development for type certification.

From November 1964 to December 1964

Turbo 18 AiResearch TPE-331 developmental turbines; tri-gear, windows replacing portholes. G18S cabin and windows.

December 1964

First flight.
First flight as Volpar Super Turbo 18.

23 February 1965

Seen at San Fernando Valley, CA.

3 March 1965

Seen at San Fernando Valley, CA.

February 1966

Installation of TPE-331-25 production turbines completed.

17 February 1966

FAA STC issued.

4 March 1966

Certificate of airworthiness for N340V (E18S, BA-65) issued.

August 1966

Seen at Oakland, CA as demonstrator Volpar Super Turbo 18, no titles.

March 1967

Leased to Ransome Air, Philadelphia, PA.

From March 1967 to April 1967

Converted to a Turboliner by Volpar.
Converted to Turboliner prototype. TPE-331-1-101B engines, fuselage lengthened by 81.5 inches.

12 April 1967

First flight.
First flight at Volpar Turboliner.

1967

To Central Trust Leasing, Cleveland, OH keeping c/r N340V.

August 1969

Further Turboliner modifications completed, conversion #014.

From 2 September 1969 to 1974

To Ransome Air/Allegheny Commuter, Philadelphia, PA keeping c/r N340V.
Markings added: Flagship Trenton

20 October 1969

Involved in an incident.
Summarized NTSB narrative from report number NYC70I0045: There were no fatalities. Incident occurred at 08:30 hours. There was minor damage. Incident occurred at the Philadelphia International Airport, Philadelphia, PA. The flight departed from Atlantic City, NJ, with the destination Philadelphia, PA. The propellar failed while on final approach to land. The emergency circumstances included; forced landing on a seaplane base or heliport...
For a complete description of the event read the NTSB Report.

By April 1970

Markings Applied: Ransome Airlines

By September 1970

Markings Applied: Allegheny Commuter

December 1971

Converted to a Turboliner II by Volpar.

22 May 1973

Photographer: Peter Nicholson
Notes: Volpar Super Turbo 18 of Ransome Airlines division of Allegheny Commuter seen at what was then known as Washington National, District of Columbia in May 1973.

5 February 1974

To Fairbanks Flight Service, Fairbanks, AK keeping c/r N340V.

April 1974

Forward cargo door modified to hinge upward, pilot cockpit entrance door installed.

23 February 1975

Damaged.
Took off with frost on wings, stalled back to ground.

23 February 1975

Crashed.
The incident occurred at Fairbanks, AK, United States.
For a complete description of the event read the NTSB Report.

March 1976

To Polar Airways, Anchorage-Merrill Field, AK keeping c/r N340V.

24 March 1976

To Polar Airways, Anchorage-Merrill Field, AK with new c/r N114PA.

19 April 1978

To Soonair Lines, Tulsa, OK keeping c/r N114PA.

From November 1978 to 1981

To Soonair Lines, Tulsa, OK with new c/r N16SL.
Operated with markings: Soonair

Circa 1979

Photographer: Ellis Chernoff

2 June 1981

To Connie Kalitta Services, Willow Run, MI keeping c/r N16SL.

October 1990

To American International Airways, Willow Run, MI keeping c/r N16SL.

1 January 1992

To Kalitta Flying Service, Detroit-Willow Run, MI keeping c/r N16SL.

10 May 1999

To Kitty Hawk Charters Inc, Morristown, TN keeping c/r N16SL.

October 2001

To unknown owner.
Sold at Kitty Hawk auction for parts.

24 June 2002

To unknown owner with c/r N16SL.
Sale reported to a new owner in Okla City, OK.

1 January 2004

Certificate of airworthiness for N16SL (E18S, BA-65) issued.

1 January 2004

To unknown owner with c/r N16SL.
Sale reported to a new owner in Okla City, OK.

3 August 2005

Seen still in open storage at Morristown, TN with engines removed.

18 April 2013

Civil registration, N16SL, cancelled.
Sale reported to a new owner in Okla City, OK.