Tag Archives: Pratt & Whitney F100-PW-100

1 February 1975

Streak Eagle over St. Louis
Major Roger J. Smith, U.S. Air Force

1 February 1975: Major Roger J. Smith, United States Air Force, a test pilot assigned to the F-15 Joint Test Force at Edwards AFB, California, flew the  McDonnell Douglas F-15A-6-MC 72-0119, Streak Eagle, to its eighth Fédération Aéronautique Internationale (FAI) and U.S. National Aeronautic Association time-to-altitude record.

From brake release at Grand Forks Air Force Base, North Dakota, at 913 feet (278 meters) above Sea Level, the F-15 reached 30,000 meters (98,425 feet) in 3 minutes, 27.799 seconds.

This was the eighth time-to-altitude record set by Streak Eagle in 17 days.

FAI Record File Num #8520 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 30 000 m
Performance: 3 min 27.799s
Date: 1975-02-01
Course/Location: Grand Forks, ND (USA)
Claimant Roger J. Smith (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

Streak Eagle, the modified McDonnell Douglas F-15A-6-MC, 72-0119, on the runway at Grand Forks AFB, North Dakota, being prepared for a flight record attempt. (U.S. Air Force)

The flight profiles for the record attempts were developed by McDonnell Douglas Chief Developmental Test Pilot, Charles P. “Pete” Garrison (Lieutenant Colonel, U.S. Air Force, Retired).

Streak Eagle carried only enough fuel for each specific flight. It was secured to the hold-back device on the runway and the engines were run up to full afterburner. It was released from the hold-back and was airborne in just three seconds.

Screen Shot 2016-01-15 at 21.10.22When the F-15 reached 428 knots (793.4 kilometers per hour), the pilot pulled up into an Immelmann turn, holding 2.5 Gs. Streak Eagle would arrive back over the air base in level flight at about 32,000 feet (9,754 meters), but upside down. Rolling right side up, Streak Eagle continued accelerating to Mach 1.5 while climbing through 36,000 feet (10,973 meters). It would then accelerate to Mach 2.2 and the pilot would pull the fighter up at 4.0 Gs until it reached a 60° climb angle. He held 60° until he had to shut down the engines to prevent them from overheating in the thin high-altitude atmosphere.

After reaching a peak altitude and slowing to just 55 knots (63 miles per hour, 102 kilometers per hour), the airplane was pushed over into a 55° dive. Once it was below 55,000 feet (16,764 meters) the engines would be restarted and Streak Eagle returned to land at Grand Forks.

McDonnell Douglas F-15A-6-MC 72-0119 Streak Eagle, Aquila Maxima, world record holder. (U.S. Air Force)

Streak Eagle is a very early production F-15A-6-MC Eagle, a single-seat, twin-engine air superiority fighter. It is 63 feet, 9.0 inches (19.431 meters) long with a wingspan of 42 feet, 9.7 inches (13.048 meters) and overall height of 18 feet, 5.4 inches (5.624 meters). The F-15A has an empty weight of 25,870 pounds (11,734 kilograms) and its maximum takeoff weight (MTOW) is 44,497 pounds (20,184 kilograms).

The F-15A is powered by two Pratt & Whitney JTF22A-25A (F100-PW-100) afterburning turbofan engines. The F100 is a two-spool, axial-flow turbine engine with a 3-stage fan section; 10-stage compressor; single chamber combustion section; and 4-stage turbine (2 low- and 2 high-pressure stages). The engine has a Maximum Continuous Power rating of 12,410 pounds of thrust (55.202 kilonewtons); 14,690 pounds (65.344 kilonewtons, 30-minute limit; and a maximum 23,840 pounds (106.046 kilonewtons), 5-minute limit. The F100-PW-100 is 191 inches (4.851 meters) long, 46.5 inches (1.181 meters) in diameter, and weighs 3,035 pounds (1,376.7 kilograms).

The cruise speed of the F-15A Eagle is 502 knots (578 miles per hour/930 kilometers per hour). It has a maximum speed of 893 knots (1,028 miles per hour/1,654 kilometers per hour) at 10,000 feet (3,048 meters), and 1,434 knots (1,650 miles per hour/2,656 kilometers per hour) at 45,000 feet (13,716 meters). The ceiling is 63,050 feet (19,218 meters) at maximum power. It can climb at an initial 67,250 feet per minute (342 meters per second) from Sea Level, and with a thrust-to-weight ratio of 1.15:1, The F-15 can climb straight up. The Eagle’s combat radius is 638 nautical miles (734 statute miles/1,182kilometers).

The F-15A is armed with one General Electric M61A1 Vulcan 20mm rotary cannon with 938 rounds of ammunition, four AIM-7 Sparrow radar-guided missiles and four AIM-9 Sidewinder heat-seeking missiles.

384 F-15A Eagles were built before production shifted to the improved F-15C version. As F-15Cs became operation, the F-15As were transferred to Air National Guard units assigned to defend continental U.S. airspace. The last F-15A was retired from service in 2009.

McDonnell Douglas F-15A-6-MC Streak Eagle 72-0119. (U.S. Air Force)

Streak Eagle was specially modified for the record attempts. Various equipment that would not be needed for these flights was eliminated: The flap and speed brake actuators, the M61A1 Vulcan 20 mm cannon and its ammunition handling equipment, the radar and fire control systems, unneeded cockpit displays and radios, and one generator.

Other equipment was added: A long pitot boom was mounted at the nose with alpha and beta vanes, equipment for the pilot’s David Clark Company A/P-225-6 full pressure suit, extremely sensitive accelerometers and other instrumentation, extra batteries, an in-cockpit video camera aimed over the pilot’s shoulder, and perhaps most important, a special hold-down device was installed in place of the fighter’s standard arresting hook.

These changes resulted in an airplane that was approximately 1,800 pounds (817 kilograms) lighter than the standard production F-15A. This gave it a thrust-to-weight ratio of 1.4:1.

Because Streak Eagle was a very early production airplane its internal structure was weaker than the final production F-15A standard. It was considered too expensive to modify it to the new standard, so it was transferred to the National Museum of the United States Air Force at Wright-Patterson Air Force Base, Ohio, in December 1980.

Streak Eagle, the record-setting McDonnell Douglas F-15A-6-MC, 72-0119, in “Compass Ghost” two-tone gray camouflage at the National Museum of the United States Air Force. (U.S. Air Force)

© 2019, Bryan R. Swopes

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19 January 1975

McDonnell Douglas F-15A-6-MC Streak Eagle 72-0119. (U.S. Air Force)
McDonnell Douglas F-15A-6-MC Streak Eagle 72-0119. (U.S. Air Force)
Major Roger J. Smith, u.S. Air Force
Major Roger J. Smith, U.S. Air Force

19 January 1975: Major Roger J. Smith, United States Air Force, a test pilot assigned to the F-15 Joint Test Force at Edwards AFB, California, flew the  McDonnell Douglas F-15A-6-MC 72-0119, Streak Eagle, to its sixth Fédération Aéronautique Internationale (FAI) and U.S. National Aeronautic Association time-to-altitude record.

From brake release at Grand Forks Air Force Base, North Dakota, at 913 feet (278 meters) above Sea Level, the F-15 reached 20,000 meters (65,617 feet) in 122.94 seconds.

This was the sixth time-to-altitude record set by Streak Eagle in just three days.

FAI Record File Num #9066 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 20 000 m
Performance: 2 min 02.94s
Date: 1975-01-19
Course/Location: Grand Forks, ND (USA)
Claimant Roger J. Smith (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

Screen Shot 2015-01-15 at 19.58.24Roger Smith’s United States National Record still stands.

Streak Eagle is a very early production F-15A-6-MC Eagle, a single-seat, twin-engine air superiority fighter. It is 63 feet, 9.0 inches (19.431 meters) long with a wingspan of 42 feet, 9.7 inches (13.048 meters) and overall height of 18 feet, 5.4 inches (5.624 meters). The F-15A has an empty weight of 25,870 pounds (11,734 kilograms) and its maximum takeoff weight (MTOW) is 44,497 pounds (20,184 kilograms).

The F-15A is powered by two Pratt & Whitney JTF22A-25A (F100-PW-100) afterburning turbofan engines. The F100 is a two-spool, axial-flow turbine engine with a 3-stage fan section; 10-stage compressor; single chamber combustion section; and 4-stage turbine (2 low- and 2 high-pressure stages). The engine has a Maximum Continuous Power rating of 12,410 pounds of thrust (55.202 kilonewtons); 14,690 pounds (65.344 kilonewtons, 30-minute limit; and a maximum 23,840 pounds (106.046 kilonewtons), 5-minute limit. The F100-PW-100 is 191 inches (4.851 meters) long, 46.5 inches (1.181 meters) in diameter, and weighs 3,035 pounds (1,376.7 kilograms).

The cruise speed of the F-15A Eagle is 502 knots (578 miles per hour/930 kilometers per hour). It has a maximum speed of 893 knots (1,028 miles per hour/1,654 kilometers per hour) at 10,000 feet (3,048 meters), and 1,434 knots (1,650 miles per hour/2,656 kilometers per hour) at 45,000 feet (13,716 meters). The ceiling is 63,050 feet (19,218 meters) at maximum power. It can climb at an initial 67,250 feet per minute (342 meters per second) from Sea Level, and with a thrust-to-weight ratio of 1.15:1, The F-15 can climb straight up. The Eagle’s combat radius is 638 nautical miles (734 statute miles/1,182kilometers).

The F-15A is armed with one General Electric M61A1 Vulcan 20mm rotary cannon with 938 rounds of ammunition, four AIM-7 Sparrow radar-guided missiles and four AIM-9 Sidewinder heat-seeking missiles.

384 F-15A Eagles were built before production shifted to the improved F-15C version. As F-15Cs became operational, the F-15As were transferred to Air National Guard units assigned to defend continental U.S. airspace. The last F-15A was retired from service in 2009.

Streak Eagle was specially modified for the record attempts. Various equipment that would not be needed for these flights was eliminated: The flap and speed brake actuators, the M61 cannon and its ammunition handling equipment, the radar and fire control systems, unneeded cockpit displays and radios, and one generator.

Other equipment was added: An extended pitot boom was mounted at the nose with alpha and beta vanes; equipment for the pilot’s David Clark Company A/P-225-6 full pressure suit; extremely sensitive accelerometers and other instrumentation; extra batteries; an in-cockpit video camera aimed over the pilot’s shoulder; and perhaps most important, a special hold-back device was installed in place of the fighter’s standard arresting hook.

These changes resulted in an airplane that was approximately 1,800 pounds (817 kilograms) lighter than the standard production F-15A. This gave it a thrust-to-weight ratio of 1.4:1.

Streak Eagle, the modified McDonnell Douglas F-15A-6-MC, 72-0119, on the runway at Grand Forks AFB, North Dakota, being prepared for a flight record attempt. (U.S. Air Force)
Streak Eagle, the modified McDonnell Douglas F-15A-6-MC, 72-0119, on the runway at Grand Forks AFB, North Dakota, being prepared for a flight record attempt. (U.S. Air Force)

The flight profiles for the record attempts were developed by McDonnell Douglas Chief Developmental Test Pilot, Charles P. “Pete” Garrison (Lieutenant Colonel, U.S. Air Force, Retired).

Streak Eagle carried only enough fuel for each specific flight, and for the 20,000 meter climb, weighed 29,877 pounds (13,552 kilograms). It was secured to the hold-back device on the runway and the engines were run up to full afterburner. It was released from the hold-back and was airborne in just three seconds.

When the F-15 reached 428 knots (793.4 kilometers per hour), the pilot pulled up into an Immelman, holding 2.5 Gs. Streak Eagle arrived back over the air base, in level flight at about 32,000 feet (9,754 meters), but upside down. Rolling up right, Streak Eagle continued accelerating to Mach 1.5 when the pilot pulled the fighter up at 4.0 Gs until it reached a 55° climb angle until it reached 20,000 meters

Screen Shot 2016-01-18 at 15.55.50Because Streak Eagle was a very early production airplane, its internal structure was weaker than the final production F-15A standard. It was considered too expensive to modify it to the new standard. It was transferred to the National Museum of the United States Air Force at Wright-Patterson Air Force Base, Ohio, in December 1980.

Streak Eagle, the record-setting McDonnell Douglas F-15A-6-MC, 72-0119, in "Compass Ghost" two-tone blue camouflage, at the National Museum of the United States Air Force. (U.S. Air Force)
Streak Eagle, the record-setting McDonnell Douglas F-15A-6-MC, 72-0119, in “Compass Ghost” two-tone gray camouflage, at the National Museum of the United States Air Force. (U.S. Air Force)

© 2019, Bryan R. Swopes

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16 January 1975

McDonnell Douglas F-15A-6-MC 72-0119 Streak Eagle record holder. (U.S. Air Force)
McDonnell Douglas F-15A-6-MC 72-0119, Streak Eagle, FAI world record holder. (U.S. Air Force)

16 January 1975: Three United States Air Force pilots, Majors Roger J. Smith, Willard R. MacFarlane and David W. Petersen, test pilots assigned to the F-15 Joint Test Force at Edwards Air Force Base, California, set five Fédération Aéronautique Internationale (FAI) time-to-altitude records in one day, flying this unpainted McDonnell Douglas F-15A-6-MC Streak Eagle, serial number 72-0119, from Grand Forks Air Force Base, North Dakota. The airfield’s elevation is 913 feet (278 meters) above Sea Level.

Smith took the first record: from brake release to 3,000 meters (9,843 feet) in 27.571 seconds.

The next three belonged to MacFarlane: 6,000 meters (19,685 feet), 39.335 seconds; 9,000 meters (29,528 feet), 48.863 seconds; and 12,000 meters (39,370 feet), 59.383 seconds.

The last record for the day went to Peterson, who reached 15,000 meters (49,213 feet) in 1 minute, 17.042 seconds.

Over the next two weeks they took the Streak Eagle even higher. On it’s left vertical fin is painted AQUILA MAXIMA. This airplane is in storage at the National Museum of the United States Air Force.

F-15A Streak Eagle record-setting pilots, Majors William MacFarlane, Roger Smith and Dave Peterson. (U.S. Air Force)
F-15A Streak Eagle record-setting pilots, Majors Willard MacFarlane, Roger Smith and Dave Peterson. (U.S. Air Force)

Screen Shot 2016-01-16 at 20.33.28FAI Record File Num #9077 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 3 000 m
Performance: 27.571s
Date: 1975-01-16
Course/Location: Grand Forks, ND (USA)
Claimant Roger J. Smith (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

Screen Shot 2016-01-16 at 20.37.34FAI Record File Num #8605 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 6 000 m
Performance: 39.335s
Date: 1975-01-16
Course/Location: Grand Forks, ND (USA)
Claimant William R. Macfarlane (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

FAI Record File Num #8600 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 9 000 m
Performance: 48.863s
Date: 1975-01-16
Course/Location: Grand Forks, ND (USA)
Claimant William R. Macfarlane (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

FAI Record File Num #8528 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 12 000 m
Performance: 59.383s
Date: 1975-01-16
Course/Location: Grand Forks, ND (USA)
Claimant William R. Macfarlane (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

Screen Shot 2016-01-16 at 14.43.07FAI Record File Num #8521 [Direct Link]
Status: ratified – retired by changes of the sporting code
Region: World
Class: C (Powered Aeroplanes)
Sub-Class: C-1 (Landplanes)
Category: Not applicable
Group: 3 : turbo-jet
Type of record: Time to climb to a height of 15 000 m
Performance: 1 min 17.042s
Date: 1975-01-16
Course/Location: Grand Forks, ND (USA)
Claimant David W. Peterson (USA)
Aeroplane: McDonnell Douglas F-15
Engines: 2 Pratt & Whitney F-100

McDonnell Douglas F-15A-8-MC Eagle 73-0090 at Luke Air Force Base. The two aircraft in this photograph are painted “Air Superiority Blue” (F.S. 35450). (U.S. Air Force)

Streak Eagle is a very early production F-15A-6-MC Eagle, a single-seat, twin-engine air superiority fighter. It is 63 feet, 9.0 inches (19.431 meters) long with a wingspan of 42 feet, 9.7 inches (13.048 meters) and overall height of 18 feet, 5.4 inches (5.624 meters). The F-15A has an empty weight of 25,870 pounds (11,734 kilograms) and its maximum takeoff weight (MTOW) is 44,497 pounds (20,184 kilograms).

The F-15A is powered by two Pratt & Whitney JTF22A-25A (F100-PW-100) afterburning turbofan engines. The F100 is a two-spool, axial-flow turbine engine with a 3-stage fan section; 10-stage compressor; single chamber combustion section; and 4-stage turbine (2 low- and 2 high-pressure stages). The engine has a Maximum Continuous Power rating of 12,410 pounds of thrust (55.202 kilonewtons); 14,690 pounds (65.344 kilonewtons, 30-minute limit; and a maximum 23,840 pounds (106.046 kilonewtons), 5-minute limit. The F100-PW-100 is 191 inches (4.851 meters) long, 46.5 inches (1.181 meters) in diameter, and weighs 3,035 pounds (1,376.7 kilograms).

The cruise speed of the F-15A Eagle is 502 knots (578 miles per hour/930 kilometers per hour). It has a maximum speed of 893 knots (1,028 miles per hour/1,654 kilometers per hour) at 10,000 feet (3,048 meters), and 1,434 knots (1,650 miles per hour/2,656 kilometers per hour) at 45,000 feet (13,716 meters). The ceiling is 63,050 feet (19,218 meters) at maximum power. It can climb at an initial 67,250 feet per minute (342 meters per second) from Sea Level, and with a thrust-to-weight ratio of 1.15:1, The F-15 can climb straight up. The Eagle’s combat radius is 638 nautical miles (734 statute miles/1,182kilometers).

The F-15A is armed with one General Electric M61A1 Vulcan 20mm rotary cannon with 938 rounds of ammunition, four AIM-7 Sparrow radar-guided missiles and four AIM-9 Sidewinder heat-seeking missiles.

384 F-15A Eagles were built before production shifted to the improved F-15C version. As F-15Cs became operation, the F-15As were transferred to Air National Guard units assigned to defend continental U.S. airspace. The last F-15A was retired from service in 2009.

Streak Eagle over St. Louis (McDonnell Douglas Corporation)

Streak Eagle was specially modified by McDonnell Douglas for the record attempts. Various equipment that would not be needed for these flights was eliminated: The flap and speed brake actuators, the M61 cannon and its ammunition handling equipment, the radar and fire control systems, unneeded cockpit displays and radios, and one generator.

Other equipment was added: An extended pitot boom was mounted at the nose with alpha and beta vanes; equipment for the pilot’s David Clark Company A/P-225-6 full pressure suit; extremely sensitive accelerometers and other instrumentation; extra batteries; an in-cockpit video camera aimed over the pilot’s shoulder; and perhaps most important, a special hold-back device was installed in place of the fighter’s standard arresting hook.

These changes resulted in an airplane that was approximately 1,800 pounds (817 kilograms) lighter than the standard production F-15A. This gave it a thrust-to-weight ratio of 1.4:1.

Streak Eagle, the modified McDonnell Douglas F-15A-6-MC, 72-0119, on the runway at Grand Forks AFB, North Dakota, being prepared for a flight record attempt. (U.S. Air Force)
Streak Eagle, the modified McDonnell Douglas F-15A-6-MC, 72-0119, on the runway at Grand Forks AFB, North Dakota, being prepared for a flight record attempt. (U.S. Air Force)

The flight profiles for the record attempts were developed by McDonnell Douglas Chief Developmental Test Pilot, Charles P. “Pete” Garrison (Lieutenant Colonel, U.S. Air Force, Retired).

Streak Eagle carried only enough fuel for each specific flight, and weighed from 27,972  to 31,908 pounds (12,688 to 14,473 kilograms). It was secured to the hold-back device on the runway and the engines were run up to full afterburner. It was released from the hold-back and was airborne in just three seconds.

Streak Eagle, the FAI record-setting McDonnell Douglas F-15A-6-MC, 72-0119, at the National Museum of the United States Air Force. (U.S. Air Force)
Streak Eagle, the FAI record-setting McDonnell Douglas F-15A-6-MC, 72-0119, at the National Museum of the United States Air Force. (U.S. Air Force)

© 2019, Bryan R. Swopes

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14 November 1974

McDonnell Douglas F-15A-8-MC Eagle 73-0090 at Luke AFB. The two aircraft in this photograph are painted “air superiority blue”. (U.S. Air Force)
McDonnell Douglas F-15A-8-MC Eagle 73-0090 at Luke Air Force Base. The two aircraft in this photograph are painted “Air Superiority Blue” (F.S. 35450). (U.S. Air Force)

14 November 1974: The very first operational McDonnell Douglas F-15A Eagle air superiority fighters were delivered to the 555th Tactical Training Squadron, 58th Tactical Training Fighter Wing, at Luke Air Force Base, west of Phoenix, Arizona. The acceptance ceremony was presided over by President Gerald R. Ford.

“. . . I am here today to underscore to you and to the world that this great aircraft was constructed by the American people in the pursuit of peace. Our only aim with all of this aircraft’s new maneuverability, speed, and power is the defense of freedom.

“I would rather walk a thousand miles for peace than to have to take a single step for war.

“I am here to congratulate you: the United States Air Force, McDonnell Douglas, Pratt and Whitney, all of the many contractors and workers who participated in this very, very successful effort, as well as the pilots who have so diligently flight-tested the F-15 Eagle. All of you can underline my feeling that we are still pilgrims on this Earth, and there still is a place for pioneers in America today.”

—Gerald R. Ford, Jr., 38th President of the United States of America

1974, November 14 – Luke Air Force Base – Phoenix Arizona – Gerald R. Ford, Lieutenant Colonel Ernest "Ted" Laudise – looking in cockpit of F-15 Eagle (plane) – Trip to Arizona; Ceremony to Commemorate the Delivery of the First F-15 Eagle Fighter Aircraft - Phoenix, Arizona
Lieutenant Colonel Ernest “Ted” Laudise explains some features of the McDonnell Douglas F-15A Eagle to President Gerald R. Ford at Luke Air Force Base, 14 November 1974. (Gerald R. Ford Presidential Library and Museum)

The F-15A Eagle is a Mach 2.5+ fighter with outstanding acceleration and maneuverability. The F-15A was produced by McDonnell Douglas at St. Louis, Missouri, from 1972 to 1979. It is a single-seat, twin-engine, air superiority fighter. It is 63 feet, 9.0 inches (19.431 meters) long with a wingspan of 42 feet, 9.7 inches (13.048 meters) and overall height of 18 feet, 5.4 inches (5.624 meters). The F-15A has an empty weight of 25,870 pounds (11,734 kilograms) and its maximum takeoff weight (MTOW) is 44,497 pounds (20,184 kilograms).

McDonnell Douglas F-15A-11-MC Eagle 74-0111 at Luke Air Force Base, Arizona, November 1974. (U.S. Air Force)

The F-15A is powered by two Pratt & Whitney JTF22A-25A (F100-PW-100) afterburning turbofan engines. The F100 is a two-spool, axial-flow turbine engine with a 3-stage fan section; 10-stage compressor; single chamber combustion section; and 4-stage turbine (2 low- and 2 high-pressure stages). The engine has a Maximum Continuous Power rating of 12,410 pounds of thrust (55.202 kilonewtons); 14,690 pounds (65.344 kilonewtons, 30-minute limit; and a maximum 23,840 pounds (106.046 kilonewtons), 5-minute limit. The F100-PW-100 is 191 inches (4.851 meters) long, 46.5 inches (1.181 meters) in diameter, and weighs 3,035 pounds (1,376.7 kilograms).

The cruise speed of the F-15A Eagle is 502 knots (578 miles per hour/930 kilometers per hour). It has a maximum speed of 893 knots (1,028 miles per hour/1,654 kilometers per hour) at 10,000 feet (3,048 meters), and 1,434 knots (1,650 miles per hour/2,656 kilometers per hour) at 45,000 feet (13,716 meters). The ceiling is 63,050 feet (19,218 meters) at maximum power. It can climb at an initial 67,250 feet per minute (342 meters per second) from Sea Level, and with a thrust-to-weight ratio of 1.15:1, The F-15 can climb straight up. The Eagle’s combat radius is 638 nautical miles (734 statute miles/1,182kilometers).

A McDonnell Douglas F-15 Eagle from the 555th Tactical Training Squadron with a load of AIM-7 Sparrow and AIM-9 Sidewinder air-to-air missiles. (U.S. Air Force)

The F-15A is armed with one General Electric M61A1 Vulcan 20mm rotary cannon with 938 rounds of ammunition, four AIM-7F Sparrow radar-guided missiles and four AIM-9 Sidewinder heat-seeking missiles. The fighter can also be armed with a Mk.82 500-pound or Mk. 84 2,000-pound bombs.

Two McDonnell Douglas F-15A Eagles of the Oregon Air National Guard, 5 November 2003. F-15A-7-MC 73-089 is nearest the camera. The other is F-15A-14-MC 75-068. (Oregon Air National Guard)

384 F-15A Eagles were built before production shifted to the improved F-15C version. As F-15Cs became operational, the F-15As were transferred to Air National Guard units assigned to defend U.S. continental airspace. The last F-15A was retired from service in 2009.

McDonnell Douglas F-15C-37-MC Eagle 84-014, 144th Fighter Wing, California Air National Guard. (Master Sergeant Roy Santana, U.S. Air Force)
McDonnell Douglas F-15C Eagle of the Florida Air National Guard. The Eagle’s thrust-to-weight ratio allows it to accelerate straight up. (U.S. Air Force)

© 2019, Bryan R. Swopes

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