INTRODUCTION
This training manual provides a description of the major airframe and engine systems
installed in the Learjet 20 series airplanes. The information contained herein is intended
only as an instructional aid. This material does not supersede, nor is it meant to substi-
tute for, any of the manufacturer’s maintenance or operating manuals. The material pre-
sented has been prepared from the basic design data. All subsequent changes in airplane
appearance or system operation will be covered during academic training and subsequent
revisions to this manual.
Chapter 1 covers the structural makeup of the airplane and gives an overview of the sys-
tems. The “Walkaround” section also contains a pictorial walkaround of the airplane.
The “Annunciator Panel” section (located at the back of Volume 2) displays all light in-
dications and should be folded out for reference while reading this manual.
GENERAL
The Learjet 20 series airplanes are all-metal,
low-wing, twin-engine jet airplanes with re-
tractable landing gear. They are powered by
General Electric CJ610 series turbojet en-
gines rated at either 2,850 or 2,950 pounds of
thrust. The airplanes are pressurized and seat
8 to 10 people including the crew.
The 20 series airplanes are certificated under FAR
Part 25 (except Model 23 which is certificated
CHAPTER 1
AIRCRAFT GENERAL
1-1
FOR TRAINING PURPOSES ONLY
To Next Page
Loading...
