data and operating limitations for any specific flight mission, reference must be
made to the approved. Flight Manual. BELL 412EP with BLR FastFin™ System.
BELL 412EP with BLR FastFin™ System NOTE: ALLOWABLE GROSS WEIGHTS OBTAINED FROM THIS CHART MAY EXCEED HOVER CAPABILITY UNDER CERTAIN AMBIENT CONDITIONS.
34
GROSS WEIGHT - KG x 100 38 42 46 50 54
Bell 412EP
BLR FastFin
-40
-20
0 20 OAT - °C
-4 00 0
RE
SE H 20 A P - 00 LE FT VE -2 00 L 0
40 0
0
60
00
80
00
10
,0
OAT MAX
00
12 ,0
00
14
,0
00
14,000 FT HD LIMIT
S OS GR IT M LIM MU T XI IGH MA WE
FO
FE R O E N N LY C E
REFER TO HOVER CEILING CHARTS IN SECTION 4.
40
8 9 10 11 12 GROSS WEIGHT - LB x 1000
Weight-altitude-temperature limitations for takeoff, landing, and in-ground-effect maneuvers.
The data set forth on this document are general in nature and may vary with conditions. For performance data and operating limitations for any specific flight mission, reference must be made to the approved Flight Manual.
Bell 412EP with BLR FastFin® System NOTES o
o
0
0
1.) DOWN WIND HOVER LIMITATION HOVERING IGE OR OGE WITH THE RELATIVE WIND WITHIN THESE AZIMUTH ANGLES IS LIMITED TO WIND VELOCITIES OF 35 KNOTS AT ALL DENSITY ALTITUDES.
o
F FE O R R O E N N LY C E
30
o
SEE NOTE 2
o
270
90
o
210
o
SEE NOTE 1
150
2.) OGE PEDAL CRITICAL WIND AZIMUTH HOVERING OGE WITH THE RELATIVE WIND WITHIN THESE AZIMUTH ANGLES CAN RESULT IN INABILITY TO MAINTAIN HEADING DUE TO LARGE LEFT PEDAL REQUIREMENTS FOR CERTAIN WIND VELOCITIES.
o
o
270
90o 95
SEE NOTE 3
o
3.) OGE LONGITUDINAL CYCLIC CRITICAL WIND AZIMUTH - AFT CYCLIC MAY BE LIMITED WITH LONGITUDINAL AFCS HARDOVER.
IGE AND OGE
180
OGE
14,000 FT. DENSITY ALTITUDE LIMIT FOR MANEUVERS
14,000
12,000
DENSITY ALTITUDE - FEET
10,000
8,000
WI ND
6,000
LIM IT
4,000
2,000
RE
0
-2,000 30
32 34 36 38 40 42 44 MAXIMUM ALLOWABLE WIND SPEED - 45 KNOTS
46
Figure 1-2. Maximum speed – Sideward and rearward flight, crosswind and tailwind at a hover.
RFMS-412FF-1, REV A
Page 8 of 32
FAA APPROVED_ 21 October, 2010 Use or disclosure of data on this page is subject to the restrictions on the cover.
Export Classification C, ECCN 9E991
Bell 412EP with BLR FastFin® System
Section 5
F FE O R R O E N N LY C E
WEIGHT AND BALANCE Note all items remain as in the basic flight manual except the following:
The BLR FastFin™ System adds 3.8 lbs to the empty weight of the helicopter when installed. Revise the rotorcraft equipment list and weight and balance using the following data: Weight 3.8
Arm 266
Moment 1011.4
RE
Equipment BLR 412 S&FF Kit
RFMS-412FF-1, REV A
Page 11 of 32
FAA APPROVED_ 21 October, 2010 Use or disclosure of data on this page is subject to the restrictions on the cover.
Export Classification C, ECCN 9E991
