Martin P6M "Sea Master"
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M. L. Shettle, e-mail, 30.05.2012 16:30

I was a kid on a pier on the Chesapeake Bay and saw a P6M fly over on a test flight. It was the biggest airplane I had seen at that time. The Navy refurbished the old seaplane base at Harvey Point, N.C. for the P6M base. That base now belongs to the CIA.


Ray Sorrell, e-mail, 01.05.2012 17:54

While working at The Glen L. Martin Company I recieved my first patent for an explosive anchor for the P6M beach craft (the P6M had do landing gear). Using four of these anchors the beach craft could be oriented into the wind making entry much easier.


Michael Keister, e-mail, 06.12.2011 04:47

My father, CDR. Harlin "Bud" Keister, was somehow involved in the P6M program, though I'm not sure to what extent or in what capacity. I do know that he was scheduled to fly on the mission that crashed on 12/07/55 but for some reason didn't make the flight (for some reason I think he was bumped to make room for someone else). At any rate, to the day he died (12/06/96) he always wore his P6M tie-clasp whenever he wore a tie. I have it somewhere in his effects.


Barry, 03.05.2011 13:10

The Sea Master was developed as a strategic bomber for the US Navy. Having been snubbed at the end of WWII by the formation of the USAF which took over so much of the assets of both the Army and the Navy the USN looked for ways to re-establish it's authority in the airborne strategic field. The answer was the Seaplane Strike Force centered round the Sea Master.
The original Allison engines did not match up to spec, but the replacement Pratt & Whitney J57 were more than capable.It soon became apparent that the concept was floored because not only was the aeroplane itself costly but the support of the Seaplane Strike Force had considerable on costs from the special beaching dollies to the support ships required including converting a submarine to be a deep sea tanker for aviation fuel. The number of aircraft was cut to a total of eleven (includuing the two ill fated prototypes)and with other projects taking priority like the USS Forestal aircraft carrier and the Polaris missile and the nuclear submarines which would fire them the US Navy had plenty of other projects to spend it's money on and so lost interest in the SSF. Let's face it the idea of a seaborne strategic bomber even in the sixties was a bit of an anachronism.
It has to be noted that this was the last original design for a fixed wing aircraft made by this company who went on to other aerospace work before merging with Lockheed.


steve, e-mail, 29.04.2011 20:15

Re. weapon loading: The rotary bomb door was loaded via an overhead hatch. It is interesting to consider a landplane equivalent of the P6M as a purpose-built low-altitude strategic bomber.


Harvey Hop, e-mail, 27.04.2011 19:29

I was a "Navy Brat" living on NATC Pax 57-59. I was in plane lover's heaven. One day in 58 I heard a different sound and looked up to see the Seamaster with an FJ4 in chase. It was beautiful.
My Dad, Harvey Hop Sr. Cdr and XO of Electronics test was being groomed for the first P6M squadron commander job.


C. Fry, e-mail, 11.04.2011 17:15

Arrived at the Martin Company as a newly minted aero engineer and former fighter pilot. Flew as a Flight test engineer on several P6M-2's with chief test pilot Bob Turner who was lost in a B-57 test flight a few years later


Byron Hawley, e-mail, 11.03.2011 17:31

I used to fly out of Martin State Airport with the Air Guard. All the local restaurants had pictures of Martin "birds". When I first joined the unit, there were guys who remembered one of the pilots (Gino C.) who died during test flights of this bird. They said he was a really good stick. I used to work with one of the design engineers on the project, Maurie Scheider. Brilliant guy. There used to be a bunch of old Marin seaplanes down by the water. One was a supersonic fighter. It's not shown or the site.


Jerry S, e-mail, 29.01.2011 05:52

With the advanced speed, how would they have fared in a trapping pattern? Would they have been stable at 200kts in a 3000 yd pattern? Doubt it. Probably more of a Barrier plane with lots of bouys in the water monitoring and call in a trapping aircraft, like the p5m or the s2 if they got something. I cant imagine working a lot of buoys at low altitude in that.

Probably why it was cancelled, as it was too fast to do the dirty low altitude work.


Allen Wiley, e-mail, 09.01.2011 05:50

Did some wind tunnel testing on the P6M in 1957 at U of Md in College Park MD.Don't remember much but I believe the other person with me was a MR. Gross?? Not sure-too long ago.Great concept but just never worked out.


Allen Wiley, e-mail, 09.01.2011 05:46

Did some wind tunnel testing on the P6M in 1957 at U of Md in College Park MD.Don't remember much but I believe the other person with me was a MR. Gross?? Not sure-too long ago.Great concept but just never worked out.


Dan, e-mail, 28.12.2010 11:43

Always thought the Seamaster was a Cool Aircraft! You may or May Not agree but, I think the Seamaster looks like it Came from the TV Series 'Thunderbirds'!


Nicknjax, e-mail, 21.10.2010 05:23

I got to Pax River in 58 and the program had just been scratched. I hoped to see something from AE-1 Gregory, he was assigned to Martin Baltimore when I arrived and I think he made a flight or 2 on the P6M. There is still a large sea pen at Pax River to park the P6M. Russia has a similar plane on there site. There are some recent photos of it flying.


Nicknjax, e-mail, 21.10.2010 05:20

I got to Pax River in 58 and the program had just been scratched. I hoped to see something from AE-1 Gregory, he was assigned to Martin Baltimore when I arrived and I think he made a flight or 2 on the P6M. There is still a large sea pen at Pax River to park the P6M. Russia has a similar plane on there site. There are some recent photos of it flying.


Joe De Lancey, e-mail, 24.08.2010 23:56

I remember George Rodney's first flight as he returned the undercarraige tail section being "wrinkled." Rick's B57E flight to Arizona, decorated with White Wheels and a Fox Tail on the nose. He & John Susi's return thru LA carrying two parachutes seeking a chances on a safe flight return to Baltimore.


Barry, 06.07.2009 14:06

Paul the "Caspian Sea Monster" is or was an ekranoplan,not strictly an aeroplane as we know it and any resemblance to the Sea Master would be purely conincidental.


Kretsinger, Victor H., e-mail, 25.05.2008 20:19

How were weapons loaded while the plane was sittig on the water???


Rick Cotton, e-mail, 03.05.2008 21:18

I briefly flew the P6M in 1954-55 as the Chief Production Test Pilot at The Glenn L. Martin Company in Baltimore. We were preparing a Training Program for our Navy Customer when,over a period of several months,two Test A/C were lost(I was chasing the first one in a borrowed USAF B-57 which had much longer legs than the FJ-2 that he Navy had provided). This and other more Political factors ended the program. It was quite an experiance and a uniquely advanced concept.


Paul, e-mail, 19.07.2007 02:51

Any comments on the P6M's resemblance to the "Caspian Sea Monster?"


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