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SR-71 Flight Manual
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Introduction
For the first time, the SR-71 Flight Manual is available online. The manual was declassified several years ago
and has now been made free to the public. When a document becomes declassified, it also becomes public
domain. No copyright is asserted for the content that is presented on this web site from the SR-71 Flight Manual.
How to Use this Resource
This resource is to educate the public about the operation of the SR-71 reconnaissance aircraft. All sections of
the manual have been included in the web-based reproduction except for the temporary exclusion of Appendix 1
and the Alphabetical Index. This section of this site is best viewed at 1280 x 1024 resolution. A resolution of 1024
x 768 is recommended and a minimum resolution of 800 x 600 is required. Also, it has been found that running
this resource in full-screen mode in Microsoft Internet Explorer also enhances the viewing experience.
The Table of Contents below is as how it appears in the actual flight manual, but has been presented in web
form for easy access to the manual's content. The manual may be read continuously by clicking on the 'Next' or
'Back' links found on each page.
Missing Pages Report
A few pages are still missing from the manual that this was scanned from and new pages are being sent in on a
regular basis. Be sure to check back for updates and new additions. This manual is ISSUE E, CHANGE 2 and is
1052 pages (742 pages are currently available on this web site).
1-28A, 1-28B, 1-174, 1-175: Lost or missing
4-150 through 4-160: Still classified

SR-71 Flight Manual Cover
List of Effective Pages: A, B, C
Security Classification (i)
Foreword (ii)
Table of Contents (iii)
Section I: Description and Operation
Section IA: SR-71 Trainer Aircraft
Section II: Normal Procedures
Section III: Emergency Procedures
Section IV: Navigation and Sensor Equipment
Section V: Operating Limitations
Section VI: Flight Characteristics
Section VII: All Weather Operation
Appendix 1: Glossary and Performance Data
Alphabetical Index
About this Project

Copyright © 2001 SR-71 Online - www.sr-71.org

Contact

Author: Paul R. Kucher

Updated: 18 July 2001

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Section I: Description and Operation
Home > Blackbird Archive > SR-71 Flight Manual > Section I

Table of Contents
The Aircraft

1-4

Fuel

1-4

Engine & Afterburner

1-4

Throttles

1-9

Engine Fuel System

1-9

Afterburner Fuel System

1-13

Fuel Derich System

1-13

EGT Trim System

1-14

Inlet Parameters

1-17

Exhaust Nozzle & Ejector

1-18

Engine Bleeds

1-19

Engine Inlet Guide Vanes (IGV)

1-19

Oil Supply System

1-21

Engine Fuel Hydraulic System

1-21

Accessory Drive System (ADS)

1-22

External Starter

1-22

Chemical Ignition (TEB) System

1-22

Air Inlet System

1-31

Spikes

1-31

Forward Bypass

1-31

Aft Bypass

1-35

Inlet Control Parameters

1-39

Automatic Restart

1-41

Controls & Indicators

1-43

Inlet Control System

1-47

Fuel System

1-47

Fuel Tanks

1-50

Feeding & Sequencing

1-50

Boost Pumps

1-54

Transfer System

1-55

Tank Pressurization

1-55

Heat Sink System

1-58

Air Refueling System

1-60

Controls & Indicators

1-61

Electrical System

1-67

Batteries

1-67

Emergency AC

1-68

External Power

1-68

Circuit Speakers

1-71

Controls & Indicators

1-71

Hydraulic System

1-86

Landing Gear System

1-89

Nosewheel Steering System

1-90

Wheel Brake System

1-91

Controls and Indicators

1-92

Drag Chute System

1-93

Primary Flight Controls

1-94

Elevon Control

1-96

Rudder Control

1-100

Manual Trim

1-100

Surface Limiter

1-102

DAFICS

1-102

Computer BIT

1-103

DAFICS Preflight BIT

1-103

SAS

1-104

SAS Logic

1-113

Autopilot

1-114

Mach Trim System

1-126

Automatic Pitch Warning

1-126

APW Controls & Indicators

1-127

APW Operation

1-128

Pitot Static Systems

1-133

Pressure Transducer Assembly

1-135

Flight & Navigation Instruments

1-135

TDI

1-135

Airspeed-Mach Meter

1-135

Altimeter

1-136

AVSI

1-136

AOA

1-136

ADI

1-137

PVD

1-138

2" Standby Attitude Indicator

1-140

3" Attitude Indicator

1-141

HSI

1-141

BDHI

1-144

Attitude Indicator-RSO

1-144

Accelerometer

1-144

Magnetic Compass

1-144

Communications & Avionic Equipment

1-145

Interphone System

1-145

Normal Operation

1-147

COMNAV-50 UHF Radio

1-147

UHF Control Panels

1-150

Remote Frequency Indicator

1-151

MODEM Control Panel

1-151

Distance Indicator

1-152

UHF Antennas

1-152

UHF Operation

1-152

AN/ARA-48 Automatic Direction Finder

1-159

AN/ARC-186(V) VHF Radio

1-159

VHF Operation

1-161

HF Radio, 618T

1-161

HF Radio, AN/ARC-190(V)

1-162

Instrument Landing System

1-165

ILS Control Panel

1-165

Marker Beacon

1-166

IFF Transponder

1-167

IFF Control Panel

1-167

IFF Normal Operation

1-169

IFF Emergency Operation

1-170

G Band Beacon

1-171

I Band Beacon

1-171

TACAN System

1-171

TACAN Control Panel

1-172

TACAN Control Transfer Switch*

1-174

TACAN Operation*

1-174

Windshield*

1-175

Deicing System*

1-175

Rain-Removal System*

1-175

Canopies* (See Page 1-176)

1-175

Rear-View Periscope

1-179

Map Projectors

1-179

Pilot's Map Projector

1-179

RSO's Map Projector

1-181

Lighting Equipment

1-183

Exterior Lighting

1-183

Forward Cockpit Lighting

1-184

Aft Cockpit Lighting

1-185

Environmental Control Systems

1-185

Pressurization Schedules

1-186

Controls

1-187

Life Support Systems

1-194

Oxygen System

1-194

Emergency Oxygen

1-195

Full-Pressure Suit

1-197

Torso Harness

1-198

Oxygen Mask

1-198

Emergency Escape System

1-199

Ejection Seat

1-199

Primary Ejection Sequence

1-203

Secondary Ejection Sequence

1-204

Egress Coordination System

1-204

Emergency Warning Equipment

1-206

Master Warning System

1-206

Nacelle Fire Warning

1-207

Miscellaneous Equipment

1-208

Trainer Aircraft

1A-1
* Page Missing or Lost

Copyright © 2001 SR-71 Online - www.sr-71.org

Contact

Author: Paul R. Kucher

Updated: 16 July 2001

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