LIMITS

Question 1

If a limit is exceed to where “XXX” is indicated:

Answer 1

The crew shall land as soon as practicable.

Question 2

Except for emergencies, a ___ delay is required between start attempts anytime a start is aborted.

Answer 2

60 second

Question 3

For crossbleed starts the receiving engine shall be at or above ___ prior to advancing the PCL to idle.

Answer 3

24% Ng

Question 4

TGT start limit

Answer 4

851 Celsius until idle speed is attained

Question 5

Engine operation with ____ engaged is prohibited.

Answer 5

Gust lock

Question 6

TGT Limit

EDECU MRP

Answer 6

0-810 continuous green
810-851 30 minutes yellow
851-878 10 minutes red (as required for max power and limiter checks only)
878-903 2.5 minutes red
903-949 12 seconds red
949 maximum

Question 7

Np

Answer 7

<96% avoid red
96-105 continuous green (yellow >101)
105-117 20 seconds yellow
117-120 12 seconds yellow
120 maximum red

*during engagement extended operations in the 20-40 and 60-75 ranges may cause engine damage.

Question 8

Nr

Answer 8

<96% avoid red
96-101 continuous green
101-120 precautionary yellow
120 max red 
>120 123% maximum for FCF only red
127 overspeed latch red

Question 9

Dual engine torque <80kias

Answer 9

0-120 continuous green
120-144 10 seconds yellow
144 max red

Dual engine torque applies anytime both engines are above 65% torque

*Engine torques over 150 are displayed as red XXX.

Question 10

Dual engine torque

>80 kias

Answer 10

0-106 continuous green
106-127 10 seconds yellow
127 max red

Dual engine torque applies anytime both engines are above 65% torque

*Engine torques over 150 are displayed as red XXX

Question 11

Single engine torque

Answer 11

0-135 continuous green
135-144 10 seconds yellow
144 max red

*Engine torques over 150 are displayed as red XXX

Question 12

Ng

Answer 12

0-102.2 continuous green
102.2-106 2.5 minutes yellow
106-107 12 seconds red
107 max red

Question 13

XMSN Temp

Answer 13

-50-105 continuous green
105-120 precautionary yellow
120 max red

*prolonged hovering in hot weather 86F (30C) and high gross weight may cause temperatures to rise in the yellow precautionary range. Operation in the precautionary range for less than 30 mins during any one flight under these conditions is acceptable.

Question 14

XSMN Pressure

Answer 14

20psi minimum red
20-30 idle and transient yellow
30-65 (45-60 in lvl flt)continuous green
65-130 precautionary yellow
130 max red

• during steady state level pitch attitudes (level flight) the xsmn oil pressure should be 45-60psi. The following conditions do not constitute an emergency situation but may be indicative of a degraded lubrication system. Any discrepancy shall be documented on a MAF.
  1: steady pressure outside the 45-60 range but within the normal limits 30-65.
  2: fluctuations not to exceed a range of 10psi within the normal limits of 30-65.

During transient pitch or steady state nose high attitudes (autos, downwind hovering, rearward flight, slope up landings) xsmn oil pressure fluctuations (including momentary fluctuations below 30psi and transient drops below 20psi for up to 1 second) are acceptable. Operating with pressure fluctuations below 30psi shall be limited to 30 minutes.

Question 15

Engine Oil Temp

Answer 15

-50-135 normal green
135-150 30minutes yellow
150 max red

Question 16

Eng oil press

Answer 16

22 min red
22-26 precautionary yellow
26-100 continuous green
100-120 precautionary yellow
120 max red

*normal idle is 22-55psi

Question 17

Min fuel on landing

Answer 17

600 lbs

Question 18

Engine Start/motor

Answer 18

START
             STRTR ENGD      STRTR DISNGD
<16c     First cycle            60s
             Second cycle.      60s
             Third cycle.          60s
             Fourth cycle.        30m
16-52c First cycle.           60s
             Second cycle.      30m

ENGINE MOTOR (IGN OFF)
Any temp
Two minutes. 2min
Two minutes. 5min

• a start cycle is defined as starter initiation, acceleration and dropout.
• times for motoring are cumulative within a five minute period.

Question 19

APU Limitations (not temps)

Answer 19

Not intended for routine flight use. Acceptable in flight use includes:
Emergency procedures
Single engine training
Practice autos
Powering ECS during extreme temp ops

Question 20

Transmission Limitations (think MAFs)

Answer 20

The transmission is limited by Nr, torque, xsmn oil pressure and temp.

If xsmn oil pressure or temperature are in the precautionary range the helicopter shall not be scheduled for additional flights until mx action is performed.

Question 21

Rotor engagement/disengagement

Answer 21

Max winds are 45kts from any direction

Question 22

Vne

Answer 22

180kias

Question 23

Sideward/rearward

Answer 23

35kts

Question 24

Autorotation

Answer 24

100kias

With FLIR installed failure to maintain balanced flight below 90kts in descents over 1000fpm will result in inaccurate and erratic air speed indications

Question 25

Boost off

Answer 25

140 kias

Question 26

Two sas inop in IMC

Answer 26

125 kias

Question 27

Either pri servo press caution

Answer 27

125 kias

Question 28

Searchlight in fixed other than stowed

Answer 28

160kias

Question 29

Searchlight in transition

Answer 29

100 kias

Question 30

Dome at or above trail (10’ cable extended, 6’ below aircraft) Dome below trail

Answer 30

70kias 45 aob 70kias 15 aob Dome 6’ below aircraft 10’ of cable out

Question 31

Cabin door open/close

Answer 31

60kias With cabin door open uncoordinated flight should be avoided.

Question 32

Maneuvering with rescue hoist loads

Answer 32

Rate of descent limited to 1000fpm

Question 33

Hovering limits

Answer 33

Avoid prolonged rearward flight and downwind hovering to prevent exhaust accum in helicopter and heat damage to an open cabin door. Pedal turns at a rate in excess of 30degrees/sec Dipping sonar ops at alts other than 70’ *if at other than 70’ when dome entering/exiting water equipment may be damaged by electrostatic discharge: Do not tow transducer in the water above 8kgs with array folded and 4kgs unfolded. * exceeding 8/4kgs May cause TA cable separation * towing is cable contacting the funnel. Airspeed May be higher than 8/4 if not contacting the funnel.

Question 34

AOB limits

Answer 34

Normal ops 45 deg Ops above 10k DA. 30deg Either pri servo press caution. 30deg Boost off flight. 30deg

Question 35

Max operating DA

Answer 35

13k

Question 36

Prohibited maneuvers

Answer 36

Aerobatic flight *an intentional maneuver involving an abrupt change in a/c attitude, intentionally performed spins, or other maneuvers requiring pitch/dive angles greater than 45deg, bank angles greater than 60deg, or accel greater than 2Gs. A maneuver that conforms to the model NATOPS manual (break, autorotation) is not considered aerobatic flight. Practice full autorotation landings Intentional approaches into or inducement of retreating blade stall.

Question 37

Rotor break

Answer 37

Max application is 76% Nr Routine stops between 30-50% Nr at 180psi.

Question 38

Fold/spread limits

Answer 38

Max wind is 45kts from any direction for main rotors, stab and tail rotor 10min cooking period between a complete fold and spread evolution. (Defined as a complete spread followed immediately by a fold or vice versa)

Question 39

Landing limits Fpm Speeds Slopes

Answer 39

720 fpm for gross weight <19,500 480 fpm for gross weight >19,500 360 fpm for sloped terrain Max touchdown speed shall not exceed 75kgs with tailwheel locked and 20kgs with TW unlocked. Max ground taxi is 40kgs with tail gear shimmy damper and 20kgs without shimmy damper. ``` Slope landing Limits 6deg nose down 9deg nose up 12deg cross slope *a low frequency oscillation may occur when landing nose down on a slope with cyclic near aft stop. ``` Downwind landings should be avoided.

Question 40

Max operating weights

Answer 40

23,500lbs total 23,500lbs for aviation ships 22,500lbs for air capable/amphibious assault aviation ships

Question 41

Internal load weight limits

Answer 41

300lbs/ft^2

Question 42

Cargo hook and rescue hoist max weight

Answer 42

6000lbs cargo hook 600lbs rescue hoist

Question 43

Cg limits

Answer 43

7.5 in left and 8.0 in right at max gross weight

Question 44

Min equip for night flight overwater

Answer 44

LAWS Altitude Hold

Question 45

Min equip for flight into known icing

Answer 45

Helicopters equipped with operable anti ice and blade deice equip are permitted flight into known forecast or known trace/light icing conditions. All installed equipment (engine/rotor/windshield) shall be operational prior to flight. Helicopters not equipped with operable blade deice equipment are prohibited from flight into forecast or know icing conditions (ambient temp of 5c or below in visible moisture). *flight into forecast or known moderate/severe icing conditions is prohibited.

Question 46

Advanced helicopter emer egress lighting system Individual heli emer egr ltg sys

Answer 46

Except in emergencies adheels/iheels shall be operational for all overwater flights requiring pax/non aircrew in the cabin.

Question 47

Temperature limits

Answer 47

- 40f to 140f | - 40c to 60c

Question 48

Backup hydraulic pump *Rotors Static

Answer 48

OAT OP TIME. COOLDOWN 33-38c. 24min. 72min 39-60c. 16min. 48min

Question 49

APU op limit

Answer 49

To prevent APU overheating, operation at ambient temps above 43c with engine and rotor operating is limited to 30mins. With engine and rotor not operating APU may be operated continuously up to 51c.