-
early 1970s to
replace the Bell UH-1
Iroquois helicopter. At the end of the
flyoff program,
Sikorsky Aircraft was
awarded a
contract to
develop and
build its...
- requirements. The mix
gained broad acceptance by the time of the prototypes'
flyoff,
defining the
relationship between the LWF and the F-15. The YF-16 was developed...
-
demonstrating concept viability and risk
mitigation rather than a
competitive flyoff. Concurrently,
Pratt &
Whitney and
General Electric competed for the ATF...
- The
flyoff competition in the mid-1970s
between the
Sikorsky YUH-60A (in front) and
Boeing Vertol YUH-61A prototypes...
-
vehicles were to be "best-effort"
machines not
meant to
perform a
competitive flyoff or
represent a
production aircraft that
meets every requirement, but to...
-
prototypes were delivered. The YF-16s
would complete 330
sorties during the
flyoff, ac****ulating a
total of 417
flight hours; the YF-17s
would accomplish 268...
-
flight standard and,
along with the
second prototype (73-22247),
entered the
flyoff against the
Hughes entry, the
Model 77 (YAH-64). The
Hughes YAH-64 was selected...
-
Force Base, California. It
conducted the
Advanced Tactical Fighter program flyoff competition between the
Lockheed YF-22 and
Northrop YF-23 prototypes. Following...
-
prototypes were to be "best-effort"
vehicles not
meant to
perform a
competitive flyoff or
represent a
production aircraft, but to
demonstrate the
viability of...
-
prototype first flew on 9
March 1974. Both YF-16
prototypes parti****ted in the
flyoff against the
Northrop YF-17 prototypes, with the F-16
winning the Air Combat...
