Dates

Event

Constructed as a P-51D.

Circa 1958

Taken on Strength/Charge with the United States Army Air Force with s/n 44-72145.

2 May 1958

Certificate of airworthiness for N6169C (F-51D, 44-72145) issued.

By 1963

To unknown owner with c/r N6169C.

Circa 1963

Photographer: Malcolm Gougan Collection
Notes: Photographed at OHare Field, Chicago.

Circa 1963

Photographer: Collect-Air Photos

From Circa 1963 to Circa 1970

To John C. Seidel, Sugar Grove, IL with new c/r N311G.

Circa 1963

Photographer: Malcolm Gougan Collection

Circa 1963

Photographer: Collect-Air Photos

June 1963

Photographer: Midway Airport Historians
Notes: At Chicago Midway

Circa 1970

Photographer: Collect-Air Photos

Circa 1972

Photographer: Malcolm Gougan Collection

Circa 8 November 1972

Photographer: Paul Cicci
Notes: Photo taken at San Francisco International Airport (SFO).

From 10 September 1974 to 15 September 1974

Raced as #85, named Iron Mistress.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 9th place with an average speed of 375.16 mph. Started Heat 1, but did not finish. Pulled out on the fourth lap with a blown engine.

After 1974

Photographer: Charlene Aro

After 1974

Photographer: Charlene Aro

October 1974

Photographer: Gary Maisack
Notes: Mojave Air Races, CA

From 9 October 1974 to 13 October 1974

Raced as #85, named Iron Mistress.
Competed at the National Air Races Mojave in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 7th place with an average speed of 342.934 mph. Raced in the Consolation race. Finished in 5th place with an average speed of 323.899 mph. Raced in the Trophy race. No time was recorded and finished in 8th place. Did not start the Heatrace. Cut pylon 5 on laps 5 and 6.

From Circa 1975 to Circa 1983

To Waldo *Clay* Klabo, Pleasanton, CA keeping c/r N311G.

27 April 1975

Photographer: Malcolm Gougan Collection
Notes: Photographed at Livermore, CA.

From 18 May 1975 to 18 May 1975

Raced as #85, named Iron Mistress.
Apparently arrived at the Lincoln Air Race, may have qualified and may even have competed in the Unlimited class, but we do not have any documented results (no times or placements). The primary pilot was Waldo *Clay* Klabo. No results were recorded for the race.

From 18 June 1975 to 22 June 1975

Raced as #85, named Iron Mistress.
Competed at the California National Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 9th place with an average speed of 362.56 mph. Raced in the Consolation race. Finished in 2nd place with an average speed of 358.53 mph.

From 9 September 1975 to 14 September 1975

Raced as #85, named Iron Mistress.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 7th place with an average speed of 400.91 mph. Started the Trophy race, but did not finish.

Circa 9 September 1975

Photographer: Al Chute

Circa 14 September 1975

Photographer: Charlene Aro
Notes: Photographed at the Reno Air Races at Stead Field near Reno, NV.

From 15 May 1976 to 16 May 1976

Raced as #85, named Iron Mistress.
Competed at the Lincoln Air Race in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Raced in the One Mile Course race. Finished in 3rd place with an average speed of 241.84 mph.

Circa 19 June 1976

Photographer: Charlene Aro
Notes: Photographed at the National Air Races in Mojave, CA.

From 19 June 1976 to 20 June 1976

Raced as #85, named Iron Mistress.
Competed at the California National Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo from Pleasanton, CA. Qualified in 7th place with an average speed of 348.321 mph. Raced in the Consolation race. Finished in 2nd place with an average speed of 315.708 mph. Raced in the Championship race. No time was recorded and finished in 5th place. During the Gold Race cut Pylon 6 on Lap 1 and Pylons 1 and 4 on Lap 2.

From 7 September 1976 to 12 September 1976

Raced as #85.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo from Pleasanton, CA. Qualified in 6th place with an average speed of 376.12 mph. Raced in the Make-Up race. Finished in 3rd place with an average speed of 340.76 mph. Started the Trophy race, but did not finish.

From 13 September 1977 to 18 September 1977

Raced as #85.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo from Pleasanton, CA. Qualified in 1st place with an average speed of 402.74 mph. Raced in Heat 1. Finished in 2nd place with an average speed of 389.30 mph. Raced in the Trophy race. Finished in 4th place with an average speed of 407.92 mph.

1978

To Waldo Clay Clabo, Livermore CA keeping c/r N311G.
Markings added: Fat Cat

From 12 September 1978 to 17 September 1978

Raced as #85, named FAT CAT.
The engine blew during practice and there did not get an opportunity to qualify. Attended the National Championship Air Races, but did not compete in the Unlimited class and it is uncertain if there was an intent to compete. The primary pilot was Waldo *Clay* Klabo.

From 27 October 1978 to 29 October 1978

Raced as #85, named Fat Cat.
Competed at the National Air Races Mojave in the Speed Sprint class. The primary pilot was Waldo *Clay* Klabo. Raced in Heat 1. Finished in 6th place with an average speed of 339.36 mph. Raced in Heat B. Finished in 3rd place with an average speed of 341.40 mph.

From 27 October 1978 to 29 October 1978

Raced as #85, named Fat Cat.
Competed at the National Air Races Mojave in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 4th place with an average speed of 354.37 mph. Raced in the Consolation race. Finished in 3rd place with an average speed of 353.31 mph. Raced in the Championship race. Finished in 2nd place with an average speed of 362.79 mph.

After 1979

Photographer: Charlene Aro

After 1979

Photographer: Tim OBrien

24 February 1979

Photographer: Larry Johnson
Notes: At Homestead General Airport in Florida

From 26 February 1979 to 4 March 1979

Raced as #85, named FAT CAT.
Competed at the Homestead Florida in the Unlimited class. The primary pilot was Waldo *Clay* Klabo from Pleasanton, CA. Qualified in 5th place with an average speed of 356.940 mph. Raced in Heat 1 Silver. Finished in 5th place with an average speed of 315.344 mph. Raced in Heat 2 Bronze. Finished in 4th place with an average speed of 345.016 mph. Started the Gold Semi-Final race, but did not finish. Left the Gold Final Race on lap #7 with bad plugs.

Circa 22 June 1979

Photographer: Charlene Aro
Notes: Photographed at the California National Air Races in Mojave, CA.

From 22 June 1979 to 24 June 1979

Raced as #85, named Fat Cat.
Competed at the California National Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 2nd place with an average speed of 371.675 mph. Raced in the Consolation race. Finished in 3rd place with an average speed of 367.884 mph. Raced in the Championship race. Finished in 3rd place with an average speed of 376.534 mph.

From 22 June 1979 to 24 June 1979

Raced as #85, named Fat Cat.
Competed at the California National Air Races in the Speed Sprint class. The primary pilot was Waldo *Clay* Klabo. Raced in Heat 1. Finished in 2nd place with an average speed of 369.684 mph. Raced in Heat B. Finished in 3rd place with an average speed of 369.001 mph.

24 June 1979

Photographer: Anthony Taylor

From 11 September 1979 to 16 September 1979

Raced as #85, named FAT CAT.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 5th place with an average speed of 411.07 mph. Raced in the Gold race. Finished in 5th place with an average speed of 370.50 mph. Raced in the Gold 1 race. Finished in 3rd place with an average speed of 375.02 mph. Raced in the Gold Semi-Final race. Finished in 4th place with an average speed of 387.00 mph.

September 1980

Photographer: Gary Maisack
Notes: At Reno Air Races, Nevada

From 10 September 1980 to 14 September 1980

Raced as #85, named Fat Cat.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 5th place with an average speed of 401.76 mph. Raced in the Gold race. Finished in 4th place with an average speed of 338.78 mph. Raced in the Gold 1 race. Finished in 4th place with an average speed of 363.88 mph. Started the Gold Semi-Final race, but did not finish. Pulled out at the end of the first lap when his after-cooler ruptured and the coolant detonated and blew off the cowling and ducting underneath the engine.

From 15 September 1981 to 20 September 1981

Raced as #85, named FAT CAT.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 5th place with an average speed of 416.76 mph. Raced in the Gold race. Finished in 6th place with an average speed of 355.43 mph. Raced in the Gold 1 race. Finished in 6th place with an average speed of 365.76 mph. Raced in the Gold Semi-Final race. Finished in 4th place with an average speed of 379.29 mph.

20 September 1981

Photographer: Gary Maisack
Notes: Reno Air Races

By 14 September 1982

To unknown owner with c/r N311G.

From 14 September 1982 to 19 September 1982

Raced as #85, named FAT CAT.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 5th place with an average speed of 410.85 mph. Raced in the Gold race. Finished in 3rd place with an average speed of 383.47 mph. Raced in the Gold 1 race. Finished in 5th place with an average speed of 376.99 mph. Raced in the Gold Semi-Final race. Finished in 2nd place with an average speed of 386.48 mph.

From 12 September 1983 to 18 September 1983

Raced as #85, named FAT CAT.
Competed at the National Championship Air Races in the Unlimited class. The primary pilot was Waldo *Clay* Klabo. Qualified in 6th place with an average speed of 419.23 mph. Raced in the Bronze 1 race. Finished in 3rd place with an average speed of 376.75 mph. Raced in the Silver Semi-Final race. Finished in 4th place with an average speed of 379.72 mph. Raced in the Gold race. Finished in 5th place with an average speed of 345.29 mph.

1984

To Don Whittington, Fort Lauderdale, FL keeping c/r N311G.

1985

To Peter McManus, Fort Lauderdale FL with new c/r N51PT.
Operated with markings: Petie 3rd

From Circa January 1985 to Circa 1986

To Castlewood Realty/Peter McManus, Miami, FL keeping c/r N51PT.

From Circa 29 August 1986 to Circa 2004

To Castlewood Airmotive, Baltimore, MD keeping c/r N51PT.

Markings Applied: 472145/HO-M Petie 3rd

24 May 1988

Photographer: Paul Coggan
Notes: Photographed at 12,000 ft over Breckenridge, TX.

Circa 1993

Photographer: Ken Videan
Notes: At EAA Oshkosh.

17 June 1995

Photographer: Mike Henniger
Notes: Photographed at the Hamilton International Airshow at Mount Hope, Ontario.

17 June 1995

Photographer: Mike Henniger
Notes: Photographed at the Hamilton International Airshow at Mount Hope, Ontario.

15 June 1996

Photographer: Mike Henniger
Notes: Photographed at the Hamilton International Air Show at Mount Hope, Ontario.

15 June 1996

Photographer: Mike Henniger
Notes: Photographed at the Hamilton International Air Show at Mount Hope, Ontario.

7 April 1997

Photographer: James Eubanks
Notes: Sun-n-Fun Fly-In, Lakeland FL

15 October 1997

To Castlewood Air Motive Inc, Towson, MD keeping c/r N51PT.

1 January 2002

Certificate of airworthiness for N51PT (F-51D, 44-72145) issued.

Circa February 2004

To Rockdale Properties Llc, Palm City, FL keeping c/r N51PT.

11 March 2005

To Pryor Jeff, Santa Barbara, CA keeping c/r N51PT.

8 August 2013

To Pryor Jeff, Santa Barbara, CA keeping c/r N51PT.

30 December 2020

To 124X Llc, Walnut Creek, CA keeping c/r N51PT.