CSP-HE/HS-1
Optional Equipment
Emergency Floats
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
Revision 6
9-25
FAA Approved
Operational Temperature:
The minimum float operational temperature for over−water flight is a func−
tion of initial minimum charge pressure as shown in Figure 9−5.
Operational
Temperature
Float Inflation
Time
Altitude Required
For Deployment
Up to 70
°
F (21
°
C)
9.0 sec
330 feet
Above 70
°
F
6.3 sec
250 feet
50
40
30
20
10
0
−10
−20
−30
−25
0
10
20
30
40
50
60
70
80
90
TEMPERATURE AT TIME OF READING PRESSURE GAUGE,
°
F
EXAMPLE:
IF IN A 55
°
ENVIRONMENT, THE GAUGE PRESSURE IS READ AT 3100
PSIG, THE MINIMUM FLOAT OPERATIONAL TEMPERATURE IS −5
°
F
PRESSURE PSIG
3000
3100
3200
3300
3400
F01-074
Figure 9-5. Minimum Float Operational Temperature for Over-water Flight
