TGT Temp (C)

12 Second Transient: 920 - 965

2.5 Minute OEI Transient (Contingency Power): 884 -919

10 Minute Limit: 870 - 883

Maximum Start Limit: 869

30 Minute Limit: 829 - 869

Normal: 0 - 828

Ng Speed (%Ng)

Maximum: 105

12 Second Limit: 102.1 - 105

30 Minute Limit: 99.1 - 102

Continuous: 0 - 99.0 

Engine 1 & 2 (%PMR)

(%Np)

12 Second Transient: 106 - 121

Maximum: 106

Upper Transient: 102 - 105

Continuous: 96 - 101

Lower Transient: 91 - 95

Minimum excep for idle and transient - 91

Avoid operation ins 20% to 40% and 60% to 90% ranges except during start and shutdown.

% TRQ

Single Engine

Maximum: 150

10 Second Limit: 135 - 150

Contiuous: 0 - 134

%TRQ

Dual Engine

Maximum: 150

10 Second Limit: 121 - 150

Continuous: 0 - 120

Main Rotor (% RPMR)

Power On

Upper Transient: 101 - 107

Continuous: 95 - 101

Lower Transient: 91 - 95

Main Rotor (%RPMR)

Power Off (Autorotation)

Maximum: 110 (120 for MTF)

Transient: 105 - 110

Continuous: 90 - 105

Engine Oil Pressure

(PSI)

Maximum: 120

Precautionary: 101 - 120

Continuous at -

90% Ng or above: 35 - 100

Below 90% Ng: 20 - 100

Engine Oil Temperature

(C)

Maximum: 150

30 Minute Limit: 136 - 150

Continuous: -50 - 135

Transmission Oil Pressure 

(PSI)

Maximum: 130

Precautionary: 66 - 130

Continuous: 30 - 65

Idle and transient: 20 - 30

Transmission Oil Temperature 

(C)

Maximum: 120

30 Minute Limit: 106 - 120

Continuous: -50 - 105

Engine Starter Limits

At ambient temperatures of +16C and below, two consecutive start cycles may be made, followed by a 3 minute rest period, followed by two additional consecutive start cycles. A 30 minute rest period is then required before any additional starts.

At temperatures +17C to +52C, two consecutive start cycles may be made. A 30 minute rest period is then required before any additional start cycles.

Fuel (lb)

Normal: 201 - 1600

Precautionary: 0 - 200

APU Operating Limit

To prevent APU Overheating, the following limits apply:

a. With egine and rotor operating, at +43C and above operation is limited to 30 minutes.

b. With engine and rotor not operating, the APU may be operated continuously up to an ambient tempreature of +51C.

Engine Start Limits

Crossbleed starts shall not be attempted unless:

a) the anti-ice light is not illuminated;

b) operating engine is at 90% Ng or above; and

c) rotor speed is at 100% RPMR.

Baclup Hydraulic Pump

Hot Weather Operations

Due to hydraulic fluid overheating, the limits detailed below are to be observed during prolonged operation of the backup pump with the rotor system static.

FAT(C)                Operating Time (Min)   Cool Down time

-54C to +32C         Unlimited                        n/a

+33C to +38C            24                              72

+39 C to +52C           16                              48

Airspeed Limitations

(Positioning of acft lights and doows/windows open)

Maximum airspeeds for the positioning or adjustment of aircraft lights:

1) Lights extended and static - 180 KIAS

2) Landing light extension or retraction - 130 KIAS

3) Search light extension or positioning/retraction - 100 KIAS

Maximum airspeeds for:

1) Loadmaster window fully open - 170 KIAS

2) Cabin door fully open - 145 KIAS

3) Opening/Closing cabin door - 80KIAS

Airspeed Limitations

(SAS Inoperative and Hydraulic Pump(s) inoperative)

1) 1 SAS inoperative: 170 KIAS

2) 2 SAS inoperative: 150 KIAS

3) 2 SAS inoperative in IMC: 140 KIAS

1) One pump inoperative: 170 KIAS

2) Two pumps inoperative: 150 KIAS

3) Two pumps inoperative in IMC: 140 KIAS

Airpseed Limitations

(Side/rearwards, Vne, External Load, OEI and Autorotation)

The flight speed limit for all sidewards/rearwards flight is 35 kts

Vne (clean and <17000lbs): 193 KIAS

External stores attached : 170 KIAS

One engine inoperative: 130 KIAS

Autorotation at a gross weight:

1)16825 or less: 150 KIAS

2) 16825 to 20250 lbs: 130 KIAS

3) greater than 20250 lbs: 125 KIAS

Airpseed Limitation Following 

Failue of the Automatic

Stabilator Control System

Manual control available. If the automatic stabilator control system fails in flight and automatic operation cannot be restored:

The stabilator shall be set full down at speeds below 45 KIAS

The stabilator shall be set at zero degrees at speeds above 45 KIAS

Autorotation airspeed shall be limited to 120 KIAS at all gross weights.

RTR Overspeed Lights

• - 127

 •• - 137

••• - 142

Touchdown Speed Limitation

Maximum forward touchdown speed is limited to 60 KIAS ground speed on level terrain

Manoeuvres to be Avoided

(VORDAP)

Any manoeuvering resulting in the onset of significantly increased 4:1 vibrations

Intentionally flying out of balance above 45 KIAS

Rapid turns using more than 60 degrees angle of bank

Any manoeuvre likely to result in droop stop pounding

Abrupt manoeuvring and large control reversals

Practice autorotations except as required for pilot training, test flights and pilot categorisation events.

Prohibited Manoeuvres

(9 STAPH)

Flight beyond 90 degrees angle of bank

Manoeuvring flight that results in heavy stall

Practice touchdown autorotations

Aerobatic manoeuvres

Simultaneous moving of both PCLs to IDLE or OFF in flight

Hover turns in excess of 30 degrees per second

Bank Angle Limitation

Bank angles shall be limited to 30 degrees when a PRI SEVO PRESS caution light is illuminated

Slope Landing Limitations

15 degree nose-up, right wheel or left wheel upslope

Reduced by 4 degrees for every 10 knots of downslope wind

6 degrees nose down slope - downslope winds not greater than 15 knots

Limits for manoeuvring with

sling/rescue hoist load

Limited to a maximum of 30 degrees angle of bank in forward flight

Sideward flight is limited by bank angle and is decreased as airspeed increases

Rearward flight is limited to 35 knots

Operation in turbulence and thunderstorms

I