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Learjet 25 - User Manual

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FlightSafety
international
LEARJET 20 SERIES
PILOT TRAINING
MANUAL
VOLUME 2
AIRCRAFT SYSTEMS
SECOND EDITION
FlightSafety International, Inc.
Marine Air Terminal, LaGuardia Airport
Flushing, New York 11371
(718) 565-4100
www.flightsafety.com

Table of Contents

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Summary

CHAPTER 1 AIRCRAFT GENERAL

CHAPTER 2 ELECTRICAL POWER SYSTEMS

AC POWER

Details on AC power generation, inverters, controls, and operation.

CHAPTER 2 A ELECTRICAL POWER SYSTEMS

DC POWER

Details on DC power generation, batteries, and related components.

CHAPTER 4 MASTER WARNING SYSTEM

GLARESHIELD WARNING LIGHTS

Details on red, amber, and green lights, their function, and intensity control.

CHAPTER 5 FUEL SYSTEM

CHAPTER 5 A FUEL SYSTEM

FUEL TANKS AND TANK VENTING SYSTEM

Details on tip, wing, and fuselage tanks, and the ram-air vent system.

FUEL INDICATING SYSTEMS

Description of fuel quantity and fuel flow indicating systems, including warnings.

FUEL DISTRIBUTION

Explanation of fuel supply to engines, boost pumps, and jet pumps.

CHAPTER 7 POWERPLANT

ENGINE SYSTEMS

Overview of engine systems: oil, fuel, ignition, power control, instrumentation.

CHAPTER 8 FIRE PROTECTION

ENGINE FIRE DETECTION AND INDICATORS

Details on sensing elements, control units, fire lights, and system test.

ENGINE FIRE EXTINGUISHING

Description of extinguisher containers, discharge indicators, and operation.

CHAPTER 9 PNEUMATICS

CHAPTER 10 ICE AND RAIN PROTECTION

CHAPTER 10 A ICE AND RAIN PROTECTION

ANTI-ICE SYSTEMS

Details on engine nacelle heat, windshield anti-ice/defog, alcohol, and wing systems.

CHAPTER 11 AIR CONDITIONING

CHAPTER 12 PRESSURIZATION

CHAPTER 12 A PRESSURIZATION

CHAPTER 13 HYDRAULIC POWER SYSTEMS

CHAPTER 14 LANDING GEAR AND BRAKES

BRAKES

Description of the brake system, normal operation, antiskid, and emergency brakes.

CHAPTER 15 FLIGHT CONTROLS

STALL WARNING SYSTEMS

Details on stall warning systems, including vanes, shakers, and stick pushers.

CHAPTER 16 AVIONICS

AUTOMATIC FLIGHT CONTROL SYSTEM (AFCS)

Description of AFCS components, servos, flight controller, and modes.

CHAPTER 17 MISCELLANEOUS SYSTEMS

OXYGEN SYSTEM

Details on oxygen cylinder, distribution systems, pressure, and masks.

Learjet 25 Specifications

General IconGeneral
ManufacturerLearjet
Model25
TypeBusiness jet
First FlightAugust 12, 1966
Crew2
Passengers8
Passenger Capacity8
Height3.73 m (12 ft 3 in)
Engines2
RoleExecutive transport
Length14.50 m (47 ft 7 in)
Wingspan13.35 m (43 ft 10 in)
Max Takeoff Weight6, 804 kg (15, 000 lb)
Maximum Speed541 mph
Range2, 965 km (1, 842 miles)
Service Ceiling13, 715 m (45, 000 ft)
PowerplantGeneral Electric CJ610 turbojet engines

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