Martin JRM Mars Headed to National Aviation Museum in Pensacola

Hawaii Mars Taking on Water in Preparation for Bombing Run (Photo from 2015)
Aircorps Art Dec 2019


Hawaii Mars Taking on Water in Preparation for Bombing Run
Hawaii Mars Taking on Water in Preparation for Bombing Run ( image by Pieter van Polanen )

Philippine Mars, one of two surviving Martin JRM Mars out of a total of seven built has been retired and will be flown to the National Naval Aviation Museum in Pensacola, Florida.

The large, four-engined cargo transport seaplanes were designed and built for the U.S. Navy during the World War II era and were the largest Allied flying boats to enter (albeit limited) production, delivered to the US Navy between 1945 and 1948.

The impressive planes were each christened with proper names, perhaps as a nod to their nautical roots. The prototype plane was named The Old Lady; production planes were named as follows: Hawaii Mars, Philippine Mars, Marianas Mars, Marshall Mars, Hawaii Mars II (named subsequent to the destruction of the original Hawaii Mars) and finally, Caroline Mars.

Caroline Mars set a new world passenger load record by carrying 269 people from San Diego to Alameda, California on March 4, 1949. On April 5, 1950, Marshall Mars was lost near Hawaii when an engine fire consumed the airplane after her crew had evacuated. The remaining four planes flew record amounts of naval cargo on the San Francisco-Honolulu route until 1956, when the entire fleet of massive flying boats were beached at NAS Alameda. In 1959 the four planes were scheduled to be sold for scrap, but were instead purchased by Forest Industries Flying Tankers along with a large stock of spare parts who set about converting the cargo planes for their new role as water bombers.

The first two planes to be converted, Marianas Mars and Caroline Mars both met with untimely ends. Marianas Mars crashed near Northwest Bay, British Columbia in 1961 during firefighting operations with the loss of her crew and just over a year later the Caroline Mars was destroyed by Typhoon Freda while parked onshore.

Due to the loss of their sister ships, the Hawaii Mars II and Philippine Mars had their conversions to water bombers accelerated and entered fire bombing service in 1963. The conversion of these planes involved the installation of a water tank in the cargo bay and retractable pick-up scoops to allow the uploading of water while the aircraft was taxiing. The scoops allowed an astonishing 30 tons of water to be taken onboard in just 22 seconds. The aircraft carried 7,200 gallons of water and each drop could saturate an area of up to 4 acres.

Coulson Flying Tankers of British Columbia, Canada has owned the two planes since 2007. The Philippine Mars had been undergoing extensive renovation and maintenance since 2008, but in a surprising move Coulson Flying Tankers, citing the plane’s disuse over the past five years, announced that the Philippine Mars would be retired and flown to the National Naval Aviation Museum to become a static exhibit. It is anticipated the the plane will be available for viewing by the public sometime this summer, restored to the original paint scheme and markings she wore during her service with the US Navy.

Hawaii Mars II remains in use and in active service traveling to fire hot spots along the entire west coast of Canada, the United States and Mexico.

Moreno-Aguiari

Born in Milan, Italy, Moreno moved to the U.S. in 1999 to pursue a career as a commercial pilot. His aviation passion began early, inspired by his uncle, an F-104 Starfighter Crew Chief, and his father, a military traffic controller. Childhood adventures included camping outside military bases and watching planes at Aeroporto Linate. In 1999, he relocated to Atlanta, Georgia, to obtain his commercial pilot license, a move that became permanent. With 24 years in the U.S., he now flies full-time for a Part 91 business aviation company in Atlanta. He is actively involved with the Commemorative Air Force, the D-Day Squadron, and other aviation organizations. He enjoys life with his supportive wife and three wonderful children.

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About Moreno Aguiari 3369 Articles
Born in Milan, Italy, Moreno moved to the U.S. in 1999 to pursue a career as a commercial pilot. His aviation passion began early, inspired by his uncle, an F-104 Starfighter Crew Chief, and his father, a military traffic controller. Childhood adventures included camping outside military bases and watching planes at Aeroporto Linate. In 1999, he relocated to Atlanta, Georgia, to obtain his commercial pilot license, a move that became permanent. With 24 years in the U.S., he now flies full-time for a Part 91 business aviation company in Atlanta. He is actively involved with the Commemorative Air Force, the D-Day Squadron, and other aviation organizations. He enjoys life with his supportive wife and three wonderful children.

9 Comments

  1. I saw the program Mighty Planes on television yesterday and I was reminded of the wonderful experience of seeing these immense aircraft in flight. At the time I was building a model of the Hawaii Mars in 1/72 scale completely from scratch with the intention of loaning it to the Alberta Aviation Museum in Edmonton Alberta Canada.
    I has been on display there together with 22 other model flying boats for the last 20 years. The future of this museum is now in doubt since the Edmonton Municipal Airport has now been closed , and it is possible that I shall have to remove my collection and find other homes for the models because they may want to just have items relative to the past local activities due to ,lack of space . If that should be the case would you be interested in having the Mars model to display at your base at Sprout Lake ?.
    When I was building this model your staff at Sprout Lake were very helpful in providing me with some data about your aircraft which was very much appreciated .
    I am having problems sending photos via internet , but could send some by mail if you are interested and would give me you postal address .
    Yours sincerely

    . Herbert M. Pink

    • Pieter van Polanen, very simple explanation. The image was provided to us by Coulson Flying Tankers for an article we wrote in 2013( here is the article https://warbirdsnews.com/aviation…/martin-mars.html ). When you post articles, Facebook grabs the images that are posted on the webpage. In this case it grabbed the thumbnail image of the article we wrote in 2013. I have edited that specific article and added your name.I hope this fixes the problem.

      • Thanks, for your quick reply and indeed this fixes the problem 🙂 I really have no problem when someone is using my photo’s (they are made to be seen) but a credit for the photographer is the least they can do.

  2. I live on a small private grass strip northwest of Mobile,Al and I just saw what think is the Mars fly over my house headed southeast. Would it be enroute to Pensacola?

  3. My father,Lt. Harold Joseph Thomas, was the Naval Procurement Officer on the Mars project.
    We were there when the Hawaii Mars was lost.
    I still have blue line drawings and will donate them to the Naval Air Museum.

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