Dates

Event

1956

Constructed as an E18S.

25 July 1956

To US Department of Agriculture, /US Forest Service with new c/r N41R.

25 July 1956

Certificate of airworthiness for N141ZA (E18S, BA-178) issued.

From 5 March 1959 to 1978

To USDA/US Forest Service, Ogden UT with new c/r N141Z.

17 June 1959

Aerojet rocket engines installed.

15 November 1965

Crashed.
Struck trees during low pass, Taos NM.

15 November 1965

Involved in an incident.
Summarized NTSB narrative from report number DEN66D0151: There were no fatalities. Incident occurred at 09:40 hours. The damage was substantial. Collided with trees while on a low pass. The factors included; down and updrafts. The sky conditions were broken. The ceiling was 5000 feet at the accident site. The visibility was 5 or over (unlimited). The temperature was 26 degF. The wind direction was 225 degrees. The wind velocity was 15 knots. The weather conditions were VFR...
For a complete description of the event read the NTSB Report.

1966

Photographer: Neil Aird
Notes: N141Z Beech E18S Expeditor (BA-178) of the USFS at their Illinois Valley, Oregon base.

Circa 1967

Alan Eugene Koch comments (9 May 2019): Converted from smoke jumper aircraft to aerial photo platform by Pacific Northwest Region 6 US Forest Service (USFS). (personal knowledge).

Circa August 1969

Photographer: Anonymous
Notes: Pacific Northwest Region 6 US Forest Service Twin Beech aerial photo aircraft N141Z at the USFS hanger, Troutdale, Oregon (TTD).
Edit Photo

Circa August 1969

Photographer: Anonymous
Notes: Aerial Photographer Alan Eugene Koch with USFS Twin Beech N141Z and Zeiss RMK 21/23 vertical aerial camera equipment at the USFS hanger in Troudale Oregon (TTD). Clockwise from 12:00 are the camera body/lens, intervalometer, belly mount, navigation scope, and one of the two magazines (9 inch by 400 foot film rolls)
Edit Photo

Circa August 1969

Photographer: Anonymous
Notes: Aerial photographer Alan Eugene Koch in USFS Twin Beech N141Z attaching a magazine loaded with 9 inch by 400 foot film roll onto the Zeiss RNK 21/23 camera body. Location is the USFS hanger at Troutdale, Oregon (TTD)
Edit Photo

1972

Photographer: Anonymous
Notes: USFS aerial photo aircraft N141Z at the USFS Redmond Air Center, Redmond, Oregon (RDM). The aerial photo crew out of Troutdale, Oregon (TTD) was over night in Redmond
Edit Photo

September 1973

Photographer: Anonymous
Notes: Zeiss Navigation Scope on US Forest Service aerial photo aircraft N141Z; Location US Forest Service hanger at Troutdale, Oregon (TTD)
Edit Photo

September 1973

Photographer: Anonymous
Notes: Aerial Photographer Alan Eugene Koch testing the newly installed Fairchild KA-2 12 inch focal length camera on N141Z; Location US Forest Service hanger at Troutdale, Oregon (TTD)
Edit Photo

1973

Photographer: Anonymous
Notes: Aerial Photographer Alan Eugene Koch testing the newly installed Fairchild KA-2 12 inch focal length camera on N141Z; Location US Forest Service hanger at Troutdale, Oregon (TTD); Note that the stair door is stowed inside the aircraft forward of the camera
Edit Photo

September 1973

Photographer: Anonymous
Notes: Fairchild KA-2 12 inch focal length 9x9 inch format camera in it is stowed position on N141Z; Location US Forest Service hanger at Troutdale, Oregon (TTD)
Edit Photo

2 April 1976

Photographer: Alan Eugene Koch
Notes: USFS aerial photo aircraft N141Z at Corvallis, Oregon (CVO). The aerial photo crew out of Troutdale, Oregon (TTD) stopped here for refueling while working on a large Siuslaw National Forest project.
Edit Photo

1976

Photographer: Alan Eugene Koch
Notes: USFS aerial photo pilot Ted Heard is at the controls of Twin Beech N141Z. The photo crew out of Troutdale, Oregon (TTD) was working on a large Siuslaw National Forest project.
Edit Photo

19 September 1977

Withdrawn from use.
Alan Eugene Koch comments (21 July 2019): Taken out of service at the Troutdale, Oregon (TTD) airport due to metal particles in the left engine. It never flew another aerial photo mission for the US Forest Service in Portland, Oregon.

19 September 1977

Photographer: Alan Eugene Koch
Notes: Twin Beech N141Z was removed from service on September 19, 1977. This photo was taken on September 22 the day US Forest Service Aerial Photographer Alan Eugene Koch removed the camera system for the last time.
Edit Photo

22 September 1977

Photographer: Alan Eugene Koch
Notes: Twin Beech N141Z at Troudale, Oregon (TTD) the day the camera system was removed for the last time.
Edit Photo

22 September 1977

Photographer: Alan Eugene Koch
Notes: Twin Beech N141Z at Troutdale, Oregon (TTD). The camera has system has been removed and this is the last photo that Alan Eugene Koch ever took of her. I really miss hearing the wonderful roar of those two radial engines.
Edit Photo

25 January 1979

To US Department. of Agriculture, Animal (and) Plant Health Inspection Service with new c/r N141Z.

15 January 1980

To US Department. of Agriculture, Animal (and) Plant Health Inspection Service ( with new c/r N141ZA.

20 July 1985

To USAF Museum Foundation keeping c/r N141ZA.

11 February 1986

To Hawkins (and) Powers Aviation, Greybull WY keeping c/r N141ZA.

August 1989

Photographer: Geoff Goodall
Notes: E18S N141ZA against a threatening sky at Greybull, Wyoming in August 1989. It was a freighter with fire bombing operatorHawkins and Powers Aviation, after 20 years with the US Dept of Agriculture. USDA had it fitted with JATO rocketsto assist takeoff from high elevation moutain strips, later using it as a fruit fly sprayer.

24 August 2000

To D and G Inc, Greybull WY keeping c/r N141ZA.

16 November 2004

To Advanced Air Inc, Council Bluffs, IA keeping c/r N141ZA.

4 October 2007

Civil registration, N141ZA, cancelled.
Exported to New Zealand.

By 23 October 2009

Civil registration, N141ZA, cancelled.
Intended for exported to New Zealand. but Not delivered.

In the inventory of Stockton Field Aviation Museum/Vintage Aircraft/Taigh Ramey, Stockton Metropolitan Airport, Stockton, CA.
View the Location Dossier

12 September 2010

Photographer: Mike Henniger

12 September 2010

Photographer: Mike Henniger

11 December 2015

To Vintage Aircraft Inc, Stockton, CA with new c/r N141ZA.

24 August 2019

Photographer: Daniel Metcalf
Notes: Seen at Thunder Over Flagstaff Airport Open House at Flagstaff Pulliam Airport in Flagstaff, AZ

5 September 2019

To unknown owner with c/r N141ZA.
Registration pending to a new owner in Bartlesville, OK.

28 September 2019

Photographer: John Bennett
Notes: Taken at Stockton, California, USA

6 February 2020

To Airventures Llc, Englewood, CO keeping c/r N141ZA.

9 April 2021

To Mark W. Ernst, Cherry Hills VLG, CO keeping c/r N141ZA.

8 January 2024

To Vintage Beech Llc, Wilmington, DE keeping c/r N141ZA.