CSP-520N-1
MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
Normal Procedures
R
Original
4-24
FAA Approved
Autorotation RPM:
Normal rotor RPM (collective fully down) is 485
±
5 RPM at 2516 pounds
gross weight at sea level, 60 knots. Rotor speed will decrease approximately
7 RPM for each 100 pound reduction in gross weight and increase approxi−
mately 6 RPM for each 1000 foot increase in density altitude. For gross
weights greater than 2516 pounds, increase collective control as required to
maintain approximately 485 RPM.
4-10. DOORS OFF FLIGHT
Doors off flight is permitted in accordance with the restrictions noted in Sec−
tion II.
Any object that is not properly secured may exit the aircraft
during flight.
Items secured with Velcro (i.e., first aid kit, seat cushions) should
not be considered properly secured.
Secure or stow in the baggage compartment all loose equipment.
Secure or remove unoccupied seat cushions.
Use ear protection.
4-1 1. LANDING APPROACH
Set N
2
at 100 percent.
Set SCAV−AIR (if installed) as desired.
4-12. RUNNING LANDING
Maximum recommended ground contact speed is 30 knots for smooth hard sur−
face.
Avoidrapidloweringof thecollective after ground contact.
Avoid the use of aft cyclic after ground contact.
WARNING
