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Copyright 2025 Manuals.Online. All Rights Reserved.

THIS IS A COMPLETE REPRINT OF
CSP–520N–1
AND IS CURRENT THROUGH REISSUE #1,
INCLUDING REVISIONS 1 AND 2
F05–000
R O T O R C R A F T F L I G H T M A N U A L
REGISTRATION NO: _________________
SERIAL NO: _________________
MD 520N
Cover
R
CSP–520N–1
F–i
FAA APPROVED
ROTORCRAFT
FLIGHT MANUAL
THE FAA APPROVED ROTORCRAFT FLIGHT MANUAL CONSISTS OF THE FOLLOWING SECTIONS.
SECTION II − LIMITATIONS
SECTION III − EMERGENCY PROCEDURES
SECTION IV − NORMAL PROCEDURES
SECTION V − PERFORMANCE DATA
SECTION IX OPTIONAL EQUIPMENT
THE HELICOPTER MUST BE OPERATED IN COMPLIANCE WITH THE OPERATING LIMITATIONS AS SET FORTH IN SECTION II OF THIS MANUAL AND
ANY ADDITIONAL LIMITATIONS FROM SECTION IX AS A RESULT OF AN INSTALLED OPTIONAL EQUIPMENT ITEM.
SECTIONS III, IV, AND V CONTAIN RECOMMENDED PROCEDURES AND DATA AND ARE FAA APPROVED.
THE ‘‘AIRWORTHINESS LIMITATIONS’’ LISTED IN SECTION 04−00−00 OF CSP−HMI−2 SHALL BE COMPLIED WITH.
THIS MANUAL MUST BE KEPT IN THE HELICOPTER AT ALL TIMES.
MD 520N
Type Certificate No. H3WE
Approved By_____________________________________
Manager, Flight Test Branch
Los Angeles Aircraft Certification Office
Transport Airplane Directorate
Original Approval Date: 12 September 1991
Reissue #1: _______________________________________
Title Page
R
CSP–520N–1MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
TM
F–ii Revision 2
LOG OF REVISIONS BY DATE
FAA / NON–FAA REVISIONS
REVISION DATE/NUMBER
Original 12 September 1991. . . . . . . .
Revision 1 1 April 1992. . . . . .
Revision 2 25 June 1992. . . . . .
Revision 3 28 July 1992. . . . . .
Revision 4 17 September 1992. . . . . .
Revision 5 29 April 1993. . . . . .
Revision 6 8 September 1993. . . . . .
Revision 7 3 May 1994. . . . . .
Revision 8 7 February 1995. . . . . .
Revision 9 17 July 1995. . . . . .
Revision 10 30 July 1996. . . . .
Reissue #1 20 January 2000. . . . . .
Revision 1 22 March 2001. . . . . .
Revision 2 21 November 2005. . . . . .
Manager, Flight Test Branch
Los Angeles Aircraft Certification Office
Transport Airplane Directorate
CSP–520N–1MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
TM
F–iii/(F–iv blank)
Original
APPROVING AUTHORITIES
Centro Técnico Aeroespacial (CTA)
This Rotorcraft Flight Manual is approved by the FAA on behalf of Centro Técnico Aeroes-
pacial for Brazilian registered rotorcrafts in accordance with the ‘‘Regulamentos Brasileiros
de Homologação Aeronáutica’’ (RBHA) Part 21, Section 21.29.
CSP–520N–1MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
R
Original F–v
TABLE OF CONTENTS
PARAGRAPH PAGE
Cover 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Title Page F−i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of Revisions to the Rotorcraft Flight Manual F−ix . . . . . . . . . . . . . . . . . . . . . . . .
List of Effective Pages F−x . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section I – General
1−1. ntroduction 1−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−2. Scope 1−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−3. Rotorcraft Certification 1−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−4. Multi−Purpose Utility Operations 1−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−5. Pilot’s Briefing 1−2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−6. Organization 1−2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−7. Method of Presentation 1−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−8. Definition of Terms 1−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−9. Abbreviations 1−5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−10. Technical Publications 1−7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−11. Design and Construction 1−9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−12. Electrical System 1−12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−13. Auto Reignition System 1−13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−14. Capacities and Dimensions 1−14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1−15. Conversion Charts and Tables 1−16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section II – Limitations
2−1. Flight Restrictions 2−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−2. Environmental Operating Conditions 2−2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−3. Airspeed Limitations 2−2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−4. Weight Limitations 2−3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−5. Rotor Brake Limitations ( f nstalled) 2−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−6. Rotor RPM (Speed) Limitations 2−4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−7. Powerplant Limitations Allison 250−C20R/2 2−5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−8. Electrical System Limitations 2−6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−9. Starter Limitations 2−7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CSP–520N–1MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
R
Revision 2F–vi
PARAGRAPH PAGE
2−10. Fuel System Limitations 2−7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−11. nstrumentation 2−10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−12. VNE Placards 2−12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2−13. Placards and Decals 2−18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section III –Emergency and Malfunction Procedures
3−1. General 3−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−2. Warning and Caution ndicators 3−2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−3. Engine Failure 3−3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−4. Air Restart=−=Engine 3−6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−5. Low Rotor Speed 3−7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−6. Emergency Landing Procedures 3−7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−7. Fire 3−9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−8. Engine Fuel Control System Malfunctions 3−14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−9. Other Engine Caution ndications 3−16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−10. Main Rotor and Aft Transmission Malfunctions 3−17 . . . . . . . . . . . . . . . . . . . . . . . . . .
3−11. Flight Control Malfunctions 3−18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−12. Abnormal Vibrations 3−23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−13. Fuel System Malfunctions 3−23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−14. Electrical System Malfunctions 3−25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−15. Other Malfunctions 3−27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−16. Emergency Egress 3−28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3−17. Emergency Equipment 3−28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section IV –Normal Procedures
4−1. Preflight Requirements 4−1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daily Preflight Checks 4−3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−2. Engine Pre−Start Cockpit Check 4−11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−3. Engine Start 4−14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−4. Engine Run=Up 4−16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−5. Before Takeoff 4−19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−6. Takeoff 4−21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−7. Cruise 4−22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−8. Low Speed Maneuvering 4−22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4−9. Practice Autorotation 4−23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .