Performance Data
CSP–520N–1
MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
TM
Original
5–1
FAA Approved
SECTION V
PERFORMANCE DATA
5–1. GENERAL
This section contains baseline helicopter performance information as defined
within certain conditions such as airspeed, weight, altitude, temperature, wind
velocity and engine power available. Data is applicable to the basic helicopter
without any optional equipment installed unless otherwise noted.
Be sure to include a review of the appropriate flight manual
supplemental data for any optional equipment installed (including
STC items) as a regular part of preflight planning (Section IX).
5–2. NOISE CHARACTERISTICS
NOTE
:
No determination has been made by the Federal Aviation Administration that the
noise levels in this manual are or should be acceptable or unacceptable for
operation at, into, or out of any airport.
Certification Noise Levels.
The following noise levels comply with FAR Part 36, Stage 2, noise require$
ments and were obtained by using FAA approved analysis techniques and
FAA approved data from actual noise tests.
Model: MD500N
Engine: Allison 250–C20R/2 Gross Weight: 3350 lbs
Configuration
V
H
(KTAS)
Level
Flyover
EPNL
(EPNdB)
Takeoff
EPNL
(EPNdB)
Approach
EPNL
(EPNdB)
Clean aircraft, doors on, no exter$
nal kits installed
125
80.2
85.4
87.9
SX−5 Starburst Search Light (R/H
side), Float Lamp
Assembly CCD − LN001
118.5
80.5
85.4
87.9
Emergency Float Kit
120.4
80.4
85.4
87.9
Emergency Float Kit With Float
Lamp Assembly
117.0
80.6
85.4
87.9
CAUTION
