Incident Name: Cleveland Fire on the Pacific District of the Eldorado National Forest, CA
Date: 10/1/92
Personnel: 2 lives lost
Age: 54
Agency/Organization: TBM of Tulare CA (Butler Aircraft of Redmond, OR), under contract with the US Forest Service
Position: aerial firefighters, pilots

Summary:

Charles Frost Sheridan, 54, pilot, of Porterville CA
Leonard Douglas Martin, 34, co-pilot, of Exeter CA

On October 1, 1992 while preparing for a retardant drop on the Cleveland Fire on the Eldorado National Forest in northern California, Air Tanker 61 crashed, killing Chuck and Leonard. They were dealing with an onboard mechanical malfunction at the time they crashed.

Photos compliments of Don C, Tom Janney, Don C and Tom Bagwell, respectively.

Chuck Sheridan & Leonard Martin Tanker 61 on the Tarmac Tanker 61 Dropping, unknown year Tanker 61 Dropping in 1987

Maps

Accident report – about 1 mi west of the upper dam on the Union Valley Reservoir; by a newspaper account delivering retardant to a spot fire 2 miles north of the Union Valley Reservoir

{mosmap lat=’38.870762’|lon=’-120.410818’|marker=’0’|text=’Union Valley Reservoir, CA’}

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Reports, Documentation, Lessons Learned

    • Concise Information from the NTSB, FAA, AAP, USFS and research by the WLF Staff:
      • October 1, 1992, Tanker 61
      • 2 killed: Chuck Sheridan, Leonard Martin
      • Operator: TBM of Tulare CA (Butler Aircraft of Redmond, OR); under contract with USFS
      • Type: Douglas Commercial DC-7B
      • Location: Kyburz, CA, the SE edge of a fire on the Eldorado National Forest, 2 miles from the intended drop which was about one mile west of the upper dam on the Ice House reservoir.
      • flight into terrain while dealing with onboard mechanical malfunction
      • FAA Registration # N848D
      • NTSB # LAX93T#A01
    • The investigation is not reported completely in the public National Transportation Safety Board lookup: NTSB online lookup Utility to check for yourself # LAX93T#A01. Clicking on Findings returns an error message. Further message: “The docket is stored on NTSB microfiche number 46649.” NTSB very brief brief.
    • Forest Service Investigations – Fatal Aviation Accident History (1974-2002): Pages 24 & 25 for this incident (384 K pdf) | Entire History (download 4.72 MB pdf)
    • Flight Safety Foundation (flightsafety.org): Flight Safety Digest, Vol 18, No. 4, April 1999, US Aerial Firefighting Accidents Involving Fixed Wing Aircraft 1976-1998 (218 K pdf)
    • USFS Heroes: Chuck Sheridan | Leonard Martin
    • Chuck’s and Leonard’s names and death date are included in the USFA Firefighter Fatality Retrospective Study, published April 2002 (2,888 K pdf)
    • Announcement of Sheridan’s and Martin’s deaths:Announcement of Sheridan's and Martin's deaths

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Wildlandfire.com Links:

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Media Articles and Reports

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Photos, Videos, & Tributes

    • Tanker 61 Memorial, CA: Cleveland Corral Memorial 1992.Photo compliments of Bob K.

      In Memory of Tanker 61

      Inscription: Tanker 61

      Sheridan, Charles Frost, 54 (10/1/92-8/7/38), pilot

      Martin, Leonard Douglas, 34 (10/1/92-5/13/1957), co-pilot

      Dedicated to these two brave pilots who gave their lives in defense of our forests, our communities, our homes, our lives.

      Erected by community service organizations in Camino and Pollock Pines

      Dedicated Oct 1, 1993

    • Memorial Page on the AAP website
    • Photo of Memorial to T-61 at Klamath Falls Interagency Fire Center compliments of Don C.Memorial to Tanker 61 Crew, Klamath Falls IFC

      Memorial at Klamath Falls Interagency Fire Center or KFIFC at the end of Summers Lane; they are open to the public from May – October. For 6 years Tanker 61 had been stationed at Kingsley Fire Center, dispatch for the Klamath Falls-based Winema National Forest.

    • USFA Memorial Database: Charles F Sheridan | Leonard D Martin
    • TANKER 61 WILDLAND FIRE EDUCATION CENTER
      Ab Note: Click on “The Story” and learn how dedicated friends of Chuck and Leonard took their memory to a higher level. We owe a debt of gratitude to all aerial firefighters who have died supporting us from the air. Please support this organization.

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Contributors to this article: Bob K, Aircraft Dispatcher, and Marcia Cavin, Project Director in Klamath Falls, Tom Janney, Tom Bagwell, and Don C.

Please support the Wildland Firefighter Foundation

10 Comments

  • Don Cavin says:

    Hello,
    There are a few mistakes on your posting. Tanker 61 Memorial in Klamath Falls is not located at the dispatch center. It is located at the Klamath Falls Interagency Fire Center or KFIFC at the end of Summers Lane. http://scofmp.org/kfifc/t61.html
    We are open to the public from May – October.
    Also, Chuck Sheridan was 54. He was born in 1938.
    Thank you,
    Marcia Cavin
    Project Director

  • Mellie says:

    Marcia, many thanks for the corrections and Chuck’s age. We rely on people that knew and loved these folks to get all details correct. If you have any photos or stories, we’d appreciate being able to share those.

    Mellie

    • Don Cavin says:

      Hi,
      I have some photos but not sure how to send them through this reply. I could be technologically challenged.
      Thanks

  • Vito Orlandella says:

    Today marks 20 years. I have not forgotten. They are often thought of and truly missed
    Vito
    Fellow friend coworker and tanker pilot

  • Dave Lane says:

    Forty-two years ago Chuck Sheridan was my flight instructor at the Porterville Airport. He became a role model for me and as a result I pursued a career in aviation and flew commercially for 30 years. I even used to own Butler’s B-26 Tanker 16 due to the enthusiasm we shared for recip aviation. Now that I am retired, one of my “bucket list” items is to visit the crash site of Tanker 61 to pay my respects to a great guy and pilot. Could anyone help me with how I could obtain information about locating the crash site? I would appreciate any information or contacts that I could make in order to make this possible someday. I can be reached at InvaderLane19@aol.com (858)382-7452

    Thank you,

    David Lane

  • Hutch says:

    You may try to locate Fred Roach Retired from the Sequoia. Last I knew he was still in the Lake Isabela area. He was the Ops chief and in the air when 61 went down and was over it within about 5-10 minutes.
    Good luck with your search! Also ElDorado County may have the record of exact location.

  • firegirl says:

    Contact tankersixonememorial (at) gmail.com and they can assist with location information. I’ll pass this along to them as well…. there is a great network of connections between 61’s home base in OR and the community near the crash site in CA, so they’ll be able to assist.

    • Dave Lane says:

      I seem to be moving closer each day to figuring this thing out and thank you for this latest information which may provide the specific information that I am seeking.

  • Old Crane says:

    Cleveland fire, Eldorado NF. The forest should still have some history. It was up over the ridge from Ice House.

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