Refle tions Refle tions First Flights of the

Refle tions

Refle tions First Flights of the ATF Prototypes YF-22 Dave Ferguson YF-23 Paul Metz Tom Morgenfeld Jim Sandberg Dave Paul

Our Cheerful Staff Is Ready To Fly For You!

ATF Chronology • Study Contracts since the late 1970’s • 01 Oct 1986 Contract Awards » LOCKHEED/ GENERAL DYNAMICS » NORTHROP/Mc. DONNELL DOUGLAS » Pratt & Whitney » General Electric • Apr 1991 Downselects

THE SKUNKS

YF -22 “Lightnings”

YF-23 “Ghosts”

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

YF-23 PAV 1 27 AUG 1990 PAUL METZ

YF-23 PAV-1 First Flight • Scrupulous TEAM preparation • Off-the-shelf ain’t if it’s changed • The magic works, but the plumbing don’t

YF-22 SHIP # 1 29 SEPT 1990 Dave Ferguson YF-22 Chief Test Pilot

YF-22 Ship # 1 First Flight • Schedule imperatives are REAL. • PLAN to be flexible • Flight/Ground Idle… STATE changes • The First Flight’s not done ‘til the test cards are.

YF-23 PAV 2 26 OCT 1990 Jim Sandberg YF-23 Project Pilot

YF-23 PAV-2 First Flight • Been there, done that… • Darryl always used to say… • The First Flight’s not done ‘til the test cards are.

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.

Lesson Learned On Tower Freq: “Cobra 12, Cleared for touch and go” On Test Freq: “Ghost 2, Cleared for takeoff” F-16 Safety Chase F-15 Photo Chase YF-23 #2 T-38 Training Flight

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

Lesson Learned • The First Flight’s not done ‘til the test cards are…

The “Apollo 13” Phenomenon • Gausian Shaping

YF-22 SHIP #2 30 OCT 1990 Tom Morgenfeld

YF-22 Ship # 2 First Flight • Off-the-shelf ain’t if it’s changed • Scrupulous TEAM preparation • First Flight CREWS • The First Flight’s not done ‘til the test cards are.

SLEEPING WITH THE ENEMY

How it Went YF-22 (Dem/Val Stats) PAV-1 (GE YF 120) YF-23 PAV-1 (PW YF 119) 29 Sep to 28 Dec 90 27 Aug to 30 Nov 90 Sorties: 43 Sorties: 34 Hours: 52. 8 Hours: 44. 4 PAV-2 (PW YF 120) PAV-2 (GE YF 120) 30 Oct to 28 Dec 90 26 Oct to 15 Dec 90 Sorties: 31 Sorties: 16 Hours: 38. 8 Hours: 21. 4 Total Sorties: 74 Sorties: 50 Hours: 91. 6 Hours: 65. 8