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P-3C NATOPS Limits
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RGB Oil Press in LOW RPM
50 - 250 PSI
RGB Oil Press @ 100% RPM
150 - 250 PSI
Power section Oil Press
50 - 60 PSI
Power section OIL PRESS LOW light illuminates
40 PSI
RGB OIL PRESS LOW light illuminates
130 PSI
RGB Oil pressure flux.
+/- 20 PSI
Power Section oil pressure flux.
+/- 5 PSI
Oil temp limits
60 - 90 deg.
Max time for OIL HOT light (Alpha and Beta range)
5 min in Alpha
30 min in Beta
Normal Hyd system pressure
2960 - 3200 PSI
HYD PRESS LOW light illuminates
1800 PSI
Auto Pilot disengages due to low hyd press
1100 PSI
Minimum emergency brake bottle pressure
1900 PSI
Brak accumulator air charge
800 PSI
Time to charge brak accumulator with 1 / 1A pump
With 1B pump
3 sec (1 / 1A)
3 min (1B)
Max residual TIT for start:
- Normal Ground Start
- Air Start
- Ground Start w/ Prime
- 200 for Ground Start
- 150 for Air Start
- 100 w/ Prime
Max TIT for ground start:
Overtemp Inspection required at:
830 record and continue.
850 engine shutdown required
965 Overtemp inspection required
TIT Overtemp Light Illuminates
1080
Max TIT Overtemp
1175 (5 Sec)
Engine limit Max SHP
5300 SHP (3 sec)
Max Continuous SHP
4600 SHP
Max Power
1077 DEG or 4600 SHP for 5 min
Military Power
1049 DEG or 4600 SHP for 30 Min
Max Continuous TIT
1010 DEG
TIT in NORMAL RPM
445 - 645
TIT in LOW RPM
410 - 730
Max reverse TIT
580 - 790
TIT at Flight Idle
430 - 705
Prop Decouple Range
-500 to -1700 SHP
Max SHP in Reverse 1 & 4
1150 +/- 150 SHP
Max SHP in Reverse 2 & 3
1250 +/- 150 SHP
NTS SHP Range for 1&4
-150 to -500 SHP
NTS SHP Range for 2 & 3
-100 to -500 SHP
SHP with Oil Temp below 0 DEG
Minimum SHP
SHP with Oil Temp between 0 - 40 DEG
1000 SHP
RPM limits in LOW RPM
71.0% - 73.8%
RPM limits in NORMAL RPM
96.3% - 99.1%
RPM limits in Reverse
96.7% - 104.9%
Fuel Topping Gov. RPM
104.2% - 106.7%
Pitchlock Regulator RPM
103.5%
Pitchlock Reset parameters
Resets pitchlock governor to 109%
- Below 28 DEG coordinator
- Above 10 DEG blade angle
Takeoff RPM allowable overshoot/undershoot
96% - 106%
- Must stabalize within 10 Sec.
- Overshoot to 106% but returning withing limits must be corrected prior to next flight
Starter Limits
Engaged for 60 seconds max
Button must be out between 57% and 64%
Prop Pump lights extinguish during inflight restart
55%
EDC PRESS LOW light out
65%
Fuel Boost Pump Press
15 - 30 PSI
TD Parameters:
Start Limiting
Temp Limiting
Temp Controlling
Start Limiting (830 DEG)
- Below 94%
Temp Limiting (1077 DEG)
- Above 94%, Below 66 DEG Coordinator
Temp Controlling (819 - 1077 DEG)
- Above 94%, Above 66 DEG Coordinator
Pressurzation Ranges
- Isobarric
- Differential
- Safety Relief
- 0.0 - 13.3 inHG
- 13.3 - 13.9 inHG
- 13.9 - 14.4 inHG
Max Reverse Coordinator / Blade Angle
0 DEG Coordinator
-13 DEG Blade Angle
Ground Idle Coordinator / Blade Angle
9 DEG Coordinator
-6 DEG Blade Angle
Ground Start Coordinator / Blade Angle
15 DEG Coordinator
0 DEG Blade Angle
Flight Idle Beta Coordinator / Blade Angle
34 DEG Coordinator
11 DEG Blade Angle
Flight Idle Alpha Coordinator / Blade Angle
34 DEG Coordinator
13 DEG Blade Angle
Flight Start Coordinator
48 Deg Coordinator
Auto Feather Logic
- Power Levers 60 DEG Coordinator or above
- Less than 500 LBS Thrust sensed
- Auto Feather system Armed
- No other Feather Button In
Author
bplauche
ID
168816
Card Set
P-3C NATOPS Limits
Description
P-3 NATOPS
Updated
2012-09-04T03:28:04Z
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