PHI GOM S92 Autorotation RPM check

Question 0

During auto RPM check with NP and NR between 106 and 110 what is the time limit?

Answer 0

12 seconds.

Based on Np limit above 106. NP cannot go above Nr so even though the Np limit is 116% the lower Nr limit applies in this case.

Question 1

If Nr cannot be maintained between _____ and _____discontinue auto RPM check.

Answer 1

90 and 110

WARNING- below 90 since you will not be able to to an auto should the engines fail.

CAUTION- above 110 since you will exceed maximum NR limit and possible damage aircraft.

Question 2

The recommended NR for Auto RPM check is….

Answer 2

101 %

Question 3

The______% collective setting will normally provide altitude/RPM combination for RPM check in the GOM.

Answer 3

15

Question 4

Drill down to find ANLG2 for RPM check

Answer 4

HLTH HUMS MAINT PARAMS ENTR ANLG ANLG2

Question 5

Observed RPM must be within ____% of chart

Answer 5

3%

Question 6

Airspeed for RPM check is

Answer 6

80

Question 7

After the first throttle is reduced what action will the flying pilot need to take in regards to the flight director

Answer 7

Adjust IAS back to 80 knots.

Based on the OEI condition the autopilot will adjust IAS to the VY for the current PA and OAT.

Question 8

During the check, use _________ to set collective position calculated during preflight.

Answer 8

collective beeper trim.

reduces risk of overspeed

Question 9

Assuming a target Nr of 101 what is the acceptable window for Nr

Answer 9

98 to 104 (w/in 3% of 101)

Question 10

What is the reference CG for the check and what is the Nr correction

Answer 10

352
8 in aft = 1% decrease
8 in fwd= 1% increase

Question 11

After the check is complete you must be able to reestablish cruise flight by

Answer 11

1000 feet AGL. (GOM 1.20.4)

Question 12

10 steps of Auto RPM check

Answer 12

The set up:

1. Stabilize at 1000 to 1500 above target PA
2. Set FD to 80 IAS and heading hold
3. Retard one throttle to idle
4. Adjust IAS back to 80 knots

Descent:

5. Beep collective down to target collective setting (center MFD is best for this) while not exceeding 106 Nr.
6. Reduce remaining throttle
7. Check Nr between 98 and 104 at target Alt

Recovery:

8. Return one engine to FLY
9. Stop descent and establish cruise profile
10. Return second engine to FLY