Yf 12a flight manual pdf

This 41second video taken in the early 1970s shows the yf12a during a low level test flight over californias mojave desert. The first lockheed yf12a interceptor, 606934, flown by james d. During flight tests the yf 12as set a speed record of 2,070. The air induction system for the yf401 engine d i verter air induction system dlffvsec flaps with coanda nozzles %1. The yf 12 was a twinseat version of the secret singleseat lockheed a12 reconnaissance aircraft, which led to the u. There was the original a11, a12, yf12a, m21, and the sr71a,b and c. Home aircraft manuals gl lockheed yf12 lockheed yf12a utility flight manual.

In their day, the a12, yf12, m21, d21, and sr71 variants outperformed all other jet airplanes. This edition of the sr71a1 was last revised in july of 1989 and is thus the most current available copy of the flight manual. The were downgraded from secret and declassified in 1990 under the senior crown program. Faster, higher and more secret than the sr71 blackbird. Usaf aircraft serial numbers for 1960, including all a12s, yf 12as, and m21s. The yf 12 set and held speed and altitude world records of over 2,000 mph and over 80,000 ft. The first two were yf 12a prototypes of a planned interceptor aircraft based on the initial a12 design that ultimately evolved into the sr71 reconnaissance aircraft. Air forces lockheed sr71 blackbird twinseat reconnaissance variant. The sr71 was the last in a series of aircraft that the famous lockheed skunk works manufactured called the blackbird series excluding the current stealth aircraft.

The yf12 program was a limited production variant of the a12. The test card called for the airplane to cruise at mach 3. Nasa test pilot don mallick, in full pressure suit, stands in front of the yf 12a 606935. The lockheed yf 12 was an american prototype interceptor aircraft evaluated by the united states air force. Possible, we recommend purchasing an actual sr71 flight manual and. The first aircraft carried a tail number of 606934 and its maiden flight was in august 1963. Northropmcdonnell douglas yf23a black widow ii pav1 87800. There was also a proposal to build a blackbird bomber designated b12. Feel free to download the document for better reading. The yf12 set and held speed and altitude world records of over 2,000 mph and over 80,000 ft. The yf12a was announced in part to continue hiding the a12, its stillsecret ancestor. The number three yf12a 606936article 1003 made its first flight at area 51 on march 1964, piloted by robert gilliland. On may 1, 1965, the following world records were set by yf12a 606936. In the late 1950s the united states air force usaf sought a replacement for its f106 delta dart interceptor.

The a12 training variant 606927 titanium goose was a twoseat model with two cockpits in tandem with the rear cockpit raised and slightly offset. See more the lockheed interceptor was the aircraft that would go on to become the blackbird one of the most famous of all the skunk works projects. Manual because i was interested in how the sr71 was flown. Nasa dryden flight research center sr71 aircraft fig. Home aircraft manuals gl lockheed yf12 these manuals are supplied in adobe pdf format, and delivered via digital download, processed within 2448 hours. Among the aircraft designs that transitioned from paper to hardware during the highspeed era, the lockheed blackbirds hold a unique place. There was the original a11, a12, yf 12a, m21, and the sr71a,b and c. This is the only place i know that has both aircraft next to each other. Apr 04, 2019 at palmdale airport they have a display of a sr71 and an a12 next to each other, as well as a d21 drone and a u2. The number three yf 12a 606936article 1003 made its first flight at area 51 on march 1964, piloted by robert gilliland. Jul 06, 2017 this 41second video taken in the early 1970s shows the yf 12a during a low level test flight over californias mojave desert.

This section contains historic information about the starfighter some links will open a cloud file. The aircraft was designated a12, the 12th in a series of internal design efforts for archangel, the aircrafts internal code name. The lockheed yf 12 was an american prototype interceptor aircraft, which the united states air force evaluated as a development of the highly secret lockheed a12, which also spawned the lockheed sr71 blackbird. The were downgraded from secret and declassified in 1990 under. Merlin tybrin corporation, nasa dryden flight research center, edwards, california, 93523 the lockheed blackbirds hold a unique place in the development of aeronautics. The yf 12 blackbird was an experimental fighterinterceptor version. Nasa test pilot don mallick, in full pressure suit, stands in front of the yf12a 606935. The lockheed yf12 was an american prototype interceptor aircraft evaluated by the united states air force. Navy natops f14 tomcat flight manuals january 7, 2011 the following documents are labeled distribution statement c.

The a12, yf12a, m21, d21, and sr71 variants outperformed all other jet airplanes in terms of altitude and speed. These manuals are supplied in adobe pdf format, and delivered via digital download, processed within 2448 hours. Eastham piloted the maiden flight of the yf 12a usaf serial number 606934. Early testing of the yf 12a occurred in secret throughout 1963 and early 1964. In keeping with that tradition, this site now hosts the 420page yf 12a utility flight manual. In their day, the a12, yf 12, m21, d21, and sr71 variants outperformed all other jet airplanes. Two yf 12a aircraft and an sr71 designated as a yf 12c were flown at the center between december 1969 and november 1979 in a joint nasausaf program to learn more about the capabilities and limitations of highspeed, highaltitude flight. Eastham piloted the maiden flight of the yf12a usaf serial number 606934. Operation cowboy ziel luke afb atlantikflug mit dem starfighter flugrevue 12. Exact schematicsblueprints of the sr71 and related airframes are still considered classified information and justly so. Home aircraft manuals gl lockheed yf 12 lockheed yf 12a utility flight manual these manuals are supplied in adobe pdf format, and delivered via digital download, processed within 2448 hours. Faster, higher and more secret than the sr71 blackbird the.

Available now is a reprint of the original flight manuals for both the sr71 and the yf12a. While it is impossible to give any user a blueprint of the sr71, the following is the best information that is available on the internet of the drawings and schematics of the blackbird. The yf12 was a twinseat version of the secret singleseat lockheed a12 reconnaissance aircraft, which led to the u. The xfv12a is a vstol fighter design featuring a high wing and low canard arrangement and is powered by a single yf401 engine. While plans were under way to add another aircraft to the fleet, one yf 12a was lost in a nonfatal mishap in 1971. The coldwall project, supported by langley research center, consisted of a stainless steel tube equipped with thermocouples and pressuresensing equipment. The yf12as were prototypes of a planned interceptor aircraft based on a design that later evolved into. The yf 12 is the worlds largest manned interceptor to date. Afterburner effect that works realistically when ab command is selected. This electronic copy has been prepared to educate the public about the operation and flight characteristics of the yf 12a blackbird aircraft. Dryden had a decade of past experience at sustained speeds above mach 3.

Government agencies only and their contractors to protect publications required for official use or for administrative or operational purposes only. Navy natops f14 tomcat flight manuals public intelligence. Available now is a reprint of the original flight manuals for both the sr71 and the yf 12a. The prototypes of that model were designated the yf12a. We use cookies to provide you with a better onsite experience. Jun 18, 2003 dryden had a decade of past experience at sustained speeds above mach 3. If you would prefer a particular manual to be supplied as.

The lockheed a12 was a reconnaissance aircraft built for the united states central intelligence agency cia by lockheed s skunk works, based on the designs of clarence kelly johnson. The a12, yf 12a, m21, d21, and sr71 variants outperformed all other jet airplanes in terms of altitude and speed. This manual is applicable 10 a4 aircrajl chapter i est. Don is ready for a flight across the western united states. Figure 2 is a cutaway illustration of the aircraft. In july 2001, the sr71 flight manual was posted to this web site. The first two were yf12a prototypes of a planned interceptor aircraft based on the initial a12 design that ultimately evolved into the sr71 reconnaissance aircraft. This electronic copy has been prepared to educate the public about the operation and flight characteristics of the yf12a blackbird aircraft. Detailed, highresolution, reflective dxt3 textures. View and download blackbird sr71 owners manual online. At palmdale airport they have a display of a sr71 and an a12 next to each other, as well as a d21 drone and a u2. Usaf aircraft serial numbers for 1960, including all a12s, yf12as, and m21s. Yf12a flight manual united states air force academy, united states air force on.

Home aircraft manuals gl lockheed yf 12 these manuals are supplied in adobe pdf format, and delivered via digital download, processed within 2448 hours. Two yf 12s, forerunners of the famed sr71 blackbird reconnaissance aircraft, were flown in a joint nasaair force research program from 1969 to 1978 to study the thermal, structural, and aerodynamic effects of sustained flight on airframes at speeds of mach 3 three times the speed of sound at altitudes above 80,000 feet. The installation of the aircraft there were also installed a 55pages pdf manual. The yf12a was the forerunner of the highly sophisticated sr71 highaltitude strategic reconnaissance aircraft. If you would prefer a particular manual to be supplied as a paper copy, please contact us for a quotation. Even though there was to be no production of the yf12a, the three prototypes carried out an extensive program of flight research with the air force. The prototype yf 12a 606934 was briefly placed in storage following the end of its flight test program.

Unlike the sr71, the yf12a never became operational, but during the test program, which ended in 1966, it set a speed record of 2,070. During the 1960s, the yf12 underwent flight evaluations by the usaf, but funding to put it. The lockheed yf12 is an american prototype interceptor aircraft developed and manufactured. In november of 1979, its research program being completed, yf 12a 606935 was donated to the usaf museum at wright patterson afb in dayton, ohio. Nasausaf yf 12 flight research, 19691979 by peter w. The first lockheed yf 12a interceptor, 606934, flown by james d. Nasa management instruction, usafnasa agreement loan.

A special insulation coating covered the tube, which was chilled with liquid nitrogen. Very realistic flight dynamics based on virtual wind tunnel data. The air induction system for the yf 401 engine d i verter air induction system dlffvsec flaps with coanda nozzles %1. In keeping with that tradition, this site now hosts the 420page yf12a utility flight manual. Switched from a12 to yf 12 flight testing at area 51 and stayed with the program as an air force officer when the yf 12 moved to edwards afb. Yf 12a 606935 in flight with the coldwall heat transfer experiment. The now declassified and hence, public domain flight manual gives some idea of. During flight tests the yf12as set a speed record of 2,070. These aircraft logged a combined total of 242 flights during the program. Switched from a12 to yf12 flight testing at area 51 and stayed with the program as an air force officer when the yf12 moved to edwards afb.

Northropmcdonnell douglas yf23a black widow ii pav1. The sr71 is an advanced two crew, two engine, delta winged, high altitude. Yf 12a flight manual united states air force academy, united states air force on. While plans were under way to add another aircraft to the fleet, one yf. Government agencies only and their contractors to protect publications required for official use or. In case of emergency, the trainer was designed to allow the flight instructor to take control. Of these, were a12s, three were prototype yf12a interceptors for the u. Early testing of the yf12a occurred in secret throughout 1963 and early 1964. Gmax built 3d yf 23 model with basic virtual cockpit. The xfv 12a is a vstol fighter design featuring a high wing and low canard arrangement and is powered by a single yf 401 engine.

The yf 12 program was a limited production variant of the a12. Home aircraft manuals gl lockheed yf 12 lockheed yf12a utility flight manual. Eastham, lands at groom lake, nevada, after its first flight, 7 august 1963. On 3 april, jim eastham and john wallace took 936 up for the very first sustained heat soak of a blackbird. Tail number 937 was actually an sr71 that was called a yf 12c for security reasons. By continuing to browse the site you are agreeing to our use of cookies in accordance with our cookie policy. Two yf12a aircraft and an sr71 designated as a yf12c were flown at the center between december 1969 and november 1979 in a joint nasausaf program to learn more about the capabilities and limitations of highspeed, highaltitude flight.

In 1959 it was selected over convair s fish and kingfish designs as the. Leslie there were a lot of things we couldnt do in an sr71 blackbird the air forcenasa super fast, highest flying reconnaissance jet, nicknamed, the sled, but we were the fastest guys on the block and loved reminding our fellow aviators of this fact. Nasausaf yf12 flight research, 19691979 by peter w. Yf12a 606935 in flight with the coldwall heat transfer experiment. The yf12 blackbird was an experimental fighterinterceptor version. Six successful firings of the aim47 missiles were completed. The lockheed yf12 is an american prototype interceptor aircraft evaluated by the united states air force in the 1960s.