Limitations

Question 1

NR Limits

Answer 1

. 110 Maximum (>110 red)

106-110 Transient operation (yellow)

     106 High rotor warning annunciated

95-105 Normal operation (green)

  0-94 Transient operation (red)

Question 2

Engine Oil Pressure (PSI)

Answer 2

. 120 Maximum (>120 red w/box)

23-120 Normal operation (green)

     23 Minimum <23 red

Question 3

Hydraulic Pressure (PSI)

Answer 3

. >3410 Transient – permitted for 5 sec(yellow)
(≥5 sec red w/box)

3310-3400 Transient – permitted for 5 min (yellow)
(≥5 min red w/box)

2750-3300 Normal operation (green)

          1260 Minimum (<1260 red w/box)

         2600 Minimum for APU start

          1650 Accumulator Pre-charge

Question 4

Air Turbine Starter (ATS) Limits

Answer 4

NOTE: 60 seconds between cycles.

Engine Starts At Ambient Temperatures of 61° F (16° C) and Below. (2–3–2–30) 
 • 2 consecutive start cycles;
 • 3 minute rest; 
 • 2 consecutive start cycles; 
 • 30 minute rest. 

Engine Starts At Ambient Temperatures
Above 61° F (16° C). (2–30)
• 2 consecutive start cycles;
• 30 minute rest

Dual engine starts — Prohibited.

Question 5

TGT Limiter

Answer 5

Single Engine: 903 ±12 (891-915)° (SEC)

Dual Engine: 879 ±12 (867-891)° (MRP)

Question 6

ENG Np (%) Digital Readouts

Answer 6

. 121 Maximum (>121 red w/box)

      115 Engine overspeed annunciated

106-121 Transient operation, 12 sec (yellow, w/box at 115)

0-105 Normal operation (green)

Question 7

ENG1 Ng (%) Digital Readouts

Answer 7

. 106.0 Maximum (>106.0 red)

105. 1-106.0 Transient 12 sec (yellow)
106. 1-105.0 Normal operation (green)

         63.0 Minimum engine out warning annunciationed
                    (<63.0 red w/box).

Question 8

Torque (%) Digital Readouts with NR <50%

Answer 8

. 30 Maximum (>30 red)

0-30 Normal operation (green)

Question 9

Torque (%) Digital Readouts with NR <90%

Answer 9

. 70 Maximum (>70 red)

0-70 Normal operation (green)

Question 10

Torque (%) Digital Readouts – DE

Answer 10

. 115 Maximum (>115 red)

101-115 Transient 6 sec (yellow)

0-100 Normal operation (green)

Question 11

Torque (%) Digital Readouts – SE

Answer 11

. 125 Maximum (>125 red)

123-125 Transient 6 sec (yellow)

111-122 Single Engine Contingency 2.5 min (yellow)

     110 SE maximum continuous power (green)

  0-110 Normal operation (green)

Question 12

CAUTION: Prolonged APU Operations (NR)

Answer 12

Avoid prolonged operation at 94% - 96% NR with the APU running.

Question 13

APU Operating Limitations (Starts)

Answer 13

APU operation is prohibited during normal flight.

(30 - 2 - 20 - 3)
After a fault/aborted start wait 30 seconds
After 2 consecutive start attempts, wait 20 minutes.
No more than 3 start attempts are permitted in one hour.

Question 14

CAUTION: XMSN Temp

Answer 14

Do not operate the APU for more than 5 minutes at a XMSN TEMP of 120 - 130°C.

Question 15

Extended APU Ground Operations

Answer 15

During prolonged ground operations (>30 min), if the temperatures exceed 130°C, shutdown and cool the transmission fluid for 30 minutes prior to resuming APU ground operations.

Question 16

Maximum Airspeed for Autorotation

Answer 16

145 Knots

Question 17

Airspeed Limits With One Engine Inoperative

Answer 17

The greater of:

1. 67% of VNE
2. The airspeed for minimum power from MAX END/MAX R/C lines

Question 18

Maximum Airspeeds During Manual Stabilator

Operations.

Answer 18

Airspeed restrictions are displayed on the:

• FLT
• FLT SET
• SYS pages

Question 19

Maximum Rearward/Sideward Airspeed

Answer 19

45 KTA

Question 20

Maximum Airspeed for Searchlight Extension

Answer 20

• Extend/ retract/rotate <90 knots

* Operation not attempted - extended

Question 21

Maximum Airspeed for Stores Jettison

Answer 21

1. Maximum airspeed for stores jettison is 130 KTAS
2. Hover to 45 KTAS (minimize side slip, if possible)
3. 45 to 130 KTAS (ball centered, if possible)

Question 22

Maneuvering Limits

Answer 22

-10 Limit: ±30° in pitch, ±60° in roll

AWR 2006D-A02 : ±60° in pitch, ±120° in roll

Question 23

Excessive Tail Rotor Scissors Loads

Answer 23

(早)Avoid aggressive directional and lateral control inputs greater than 1 inch/second when conducting combat maneuvers requiring a left turn. This is to prevent excessive tail rotor scissors loads.

Question 24

Excessive Tail Rotor Loads

Answer 24

(遅)Avoid large pedal step inputs in arresting right hovering/low speed yawing turns greater than 60°/second. This is to prevent excessive tail rotor drive system loads.

Question 25

Flight with Canopy Enclosure Open

Answer 25

Flight with the canopy open is prohibited, except for smoke/fume elimination.

Question 26

Landing Limits

Answer 26

Pitch attitude change from a hover greater than:

• 7° up
• 12° down
• 10° roll attitude
• Data is not available beyond above 17,650.

Question 27

Flight into Turbulence

Answer 27

Prohibited:

• Extreme — known or forecast
• Severe — known

Question 28

Flight In Icing Conditions

Answer 28

• MODERATE icing — Prohibited (Intentional flight)
• KNOW or FORECAST TRACE or LIGHT icing conditions are authorized and not a hazard unless encountered for an extended period (over one hour).

Question 29

Use of Force Trim

Answer 29

Force trim will not be selected off except in a FAULTED or PARTIAL FAILED mode.