Term
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Definition
XFEED Open
Pull the LH Boost Pump CB
Check for WCA
Do the same for RH Boost Pump
Check for WCA
Reset Alerts
Reset CBs |
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Term
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Definition
Ng above 89%
AntiIce 1 on - note rise in Eng1 MGT, Gen 1/2 Amps
Anti Ice 1 Off
Repeat for Anti Ice 2 |
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Term
| Engine Acceleration check |
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Definition
Flat Pitch, 100% Nr
Roll down #2 Throttle to idle
Count seconds for #1 to hit 97-98% Np from 75%
BPT Roll throttle back to prevent overspeed
(4-7 seconds, No more than 7)
Repeat for other engine |
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Term
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Definition
Check NP indications are even
Check governor RPM wheel for full range (95.5 - 101.5)
Set RPM to 100% Np or less
Check ENG 2 Trim for range of +- 1% NPNR |
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Term
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Definition
*Accomplish during Accel checks*
NR above 97%, reduce Nr to <97 for voice, <89% for voice and light.
Warning and light should go away above 90, Audio goes away at 98% |
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Term
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Definition
Gen 1 - on, Gen 2 Off
Check that Gen 2 PBA says OFF, that amps load near zero, Non ess bus equip inop. Record indications
repeat for other generator |
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Term
| Overspeed sensing circuit check (FCF) |
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Definition
| Test as normal, then not Ng for both, set Np at 100%. then hit A & B both at once |
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Term
| Power Assurance (Ground/Hover) |
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Definition
Altimeter 29.92
Non test Engine to Idle
Test Engine trimmed to 100% Np
Torque Between 25 & 65.7% for 1-3 min
record OAT, PA, MGT, Torque, check chart
Repeat for other engine |
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Term
| Cabin & Pitot heater checks |
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Definition
Heater on - look for MGT rise both engines 10-25C - Heater off
Pitot heat ON - check Gen 1/2 Amp flux |
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Term
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Definition
Check that ASI read WOG=Ground
Flip WOG switch to ground, check for ORIDE=GROUND
Flip switch to AIR, check the ORIDE=AIR
Switch to normal, ensure ASI returns to ground |
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Term
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Definition
| From a hover, move FWD, AFT, L/R, and able to turn 360 degrees |
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Term
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Definition
| Put into a hover hold, check MFD indications, check trim beeper functions |
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Term
| LDS, LDS Linkage, DECU Lockout, and High RPM warning check |
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Definition
*Don't do these in a hover*
1. Make sure the throttle stops are working to prevent inadvertent DECU lockout
2. Enter DECU lockout on test engine
-NP OVSPD light if above 101.7 for 12 sec
3. advance until rotor RPM HI light comes on at 104%
4.Match the governed engine's MGT, Ng, or Q
5.raise and lower collective without touching throttle, check for lag but follow
6. return to governed operations, repeat for remaining engine. |
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Term
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Definition
| Execute a max power takeoff, ensure Nr does not droop below 97% |
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Term
| Control Motion Transducer check |
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Definition
| 1000 ft, 100kts, Level speed change with Torque below 5% for 5 sec with Np/Nr at 100%. recover at 45kts |
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Term
| Main rotor Track/Balance and Vibe Analysis (In Flight) |
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Definition
120±5
140±5
Vh>145 (level flight above 96% Torque) |
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Term
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Definition
90-110kts, 1000 AGL, Baro/Airspeed mode, engage cruise hold
FWD/AFT 10 kts, <8 degrees left and right, >8 degrees left and right(180 degrees) collective button turns 180-360
disengage Alt hold, SPD, HDG, Att remain
Increase/decrease collective, SPD & HDG remain with 500fpm |
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Term
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Definition
| 85 kts, balanced flight, must be within 2% of calculated RPM |
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