First Flights of the ATF Prototypes

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First Flights of the ATF Prototypes
YF-22 Dave Ferguson Tom Morgenfeld YF-23
Paul Metz Jim Sandberg
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Our Cheerful Staff Is Ready To Fly For You!
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ATF Chronology

• Study Contracts since the late 1970s
• 01 Oct 1986 Contract Awards
• LOCKHEED/ GENERAL DYNAMICS
• NORTHROP/McDONNELL DOUGLAS
• Pratt Whitney
• General Electric
• Apr 1991 Downselects

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THE SKUNKS
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YF -22 Lightnings
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YF-23 Ghosts
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ATF Chronology

• Study Contracts since the late 1970s
• 01 Oct 1986 Contract Awards
• 27 Aug 1990 YF-23 1 (PW)
• 29 Sep YF-22 1 (GE)
• 26 Oct YF-23 2 (GE)
• 30 Oct YF-22 2 (PW)
• Apr 1991 Downselects

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YF-23 PAV 1 27 AUG 1990 PAUL METZ
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YF-23 PAV-1 First Flight

• Scrupulous TEAM preparation
• Off-the-shelf aint if its changed
• The magic works, but the plumbing dont

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YF-22 SHIP 1 29 SEPT 1990

• Dave Ferguson YF-22 Chief Test
  Pilot

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YF-22 Ship 1 First Flight

• Schedule imperatives are REAL.
• PLAN to be flexible
• Flight/Ground Idle STATE changes
• The First Flights not done til the test cards
  are.

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Jim Sandberg YF-23 Project Pilot

The YF-23 Dem-Val Program
YF-23 PAV 2 26 OCT 1990
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YF-23 PAV-2 First Flight

• Been there, done that
• Darryl always used to say
• The First Flights not done til the test cards
  are.

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Lesson Learned

• Been there, done that, but
• Always beware of taking off in the opposite
  direction on a single runway on a different
  frequency than all other traffic.

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Lesson Learned
On Tower Freq Cobra 12, Cleared for touch and
go
On Test Freq Ghost 2, Cleared for takeoff
T-38 Training Flight
F-16 Safety Chase
F-15 Photo Chase
YF-23 2
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• ROLL YF-23 TAKEOFF VIDEO HERE ?

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Lesson Learned

• Darryl always used to say
• EXPECT to have landing gear difficulties on any
  first flight

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• YF-23 Landing Gear Video Here?

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Lesson Learned

• The First Flights not done til the test cards
  are

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The Apollo 13 Phenomenon

• Gausian Shaping

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YF-22 SHIP 230 OCT 1990Tom Morgenfeld

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YF-22 Ship 2 First Flight

• Off-the-shelf aint if its changed
• Scrupulous TEAM preparation
• First Flight CREWS
• The First Flights not done til the test cards
  are.

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SLEEPING WITH THE ENEMY
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How it Went(Dem/Val Stats)
YF-22 PAV-1 (GE YF120) 29 Sep to 28 Dec
90 Sorties 43 Hours52.8 PAV-2 (PW YF120) 30
Oct to 28 Dec 90 Sorties 31 Hours
38.8 Total Sorties 74 Hours 91.6
YF-23 PAV-1 (PW YF119) 27 Aug to 30 Nov
90 Sorties 34 Hours44.4 PAV-2 (GE YF120) 26
Oct to 15 Dec 90 Sorties 16 Hours
21.4 Total Sorties 50 Hours 65.8
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QUESTIONS?
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