LIMITS

Question 1

What are the Mass limits for the UH 72

Answer 1

*Max gross mass 3585kg or 7905lbs

*Max floor load 600kg

*Tie down ring 70kg

Question 2

What are the Rotor RPM Limits

Answer 2

• Minimum transient 85 ( max 20s) 85% Power on

*min continuous
GM< 2000kg 96 P On 80 P off
GM< 2000kg 96 P On 85 P on

*max continuous 104 P on and off

• partial power (max 5 min) 106 P on and off
• Max transient ( max 12s)
  106 P on and 110 P off

Question 3

What are the minimum engine oil pressure

Answer 3

Minimum: 1.3 bar
Caution range: 1.3 - 1.5
Continuous Operation: 1.5-5.0
Maximum continuous: 5.0

Question 4

What are the engine Oil temperature

Answer 4

ENGINE OIL TEMPERATURE (Viscosity = 3 and 3.9 cSt)

⌲ Minimum for starting -45°C

⌲ Min for power application -10°C

⌲ Max operating temperature 115°C

Question 5

What are the Main transmission Oil pressure

Answer 5

Minimum 1.0 bar

⌲ Caution Range 1.0 – 1.5 bar

⌲ Continuous Operation 1.5 – 5.0 bar

⌲ Maximum 5.0 bar XMSN OIL PRESS warn light ok from 1.0 –1.4 bar during pressure build-up phase.

Question 6

What are the main transmission Oil temp

Answer 6

⌲ Continuous Operation -10 – 105°C

⌲ Maximum 105°C

Question 7

To prevent starter overheat damage limit time:

Answer 7

⌲ External Power
20/60/20/60/20 – 30 min.

⌲ Onboard Battery
30/60/30/60/30 – 30 min.

Question 8

For engine ventilation limit starter time to:

Answer 8

⌲ External Power1 15/60/15 – 23 min.

⌲ Onboard Battery2 20/60/20 – 23 min.

Question 9

What are the SLOPE LIMITS

Answer 9

Nose Up / Down
8° max.

Ground slopes down left
11° max.

Ground slopes down right 6° max.

Question 10

What are the three PROHIBITED MANEUVERS

Answer 10

⌲ Aerobatic Maneuvers

⌲ Intentional Full Autorotational Landings

⌲ Flight into icing conditions. If entered leave

Question 11

What are the ROTOR START/STOP WIND LIMITS

Answer 11

⌲ max. velocity 50 kts any horizontal direction

Question 12

What are the max’s for HOVERING TURNS

Answer 12

⌲ max ≤ 3200 kg 45°/sec (360° = 8 sec)

⌲ max > 3200 kg 30°/sec (360° = 12 sec)

Question 13

When do you update the PPC

Answer 13

• Update = Increase 5°C, 500’ PA, 200 lbs • Verify wt./bal. 365-4

Question 14

What are the airspeed limits

Answer 14

*VNE OEI – 110 KIAS
* Min Autorotation – 60 KIAS
*VNE Autorotation – 90 KIAS
*VNE Spoiled and Cabin open – 100 KIAS
*VNE Spoiled rearward flight – 15 KIAS
*Max Crosswind w/ doors opened/spoiled – 30 KIAS

Question 15

LAND IMMEDIATELY

Answer 15

The urgency of landing is paramount. Primary consideration is to assure survival of the occupants. Landing in water, trees or other unsafe areas should be considered only as a last resort.

Question 16

LAND AS SOON AS POSSIBLE

Answer 16

Land without delay at the nearest adequate site (i.e. open field) at which a safe approach and landing can be made.

Question 17

LAND AS SOON AS PRACTICABLE

Answer 17

The landing site and duration of flight are at the discretion of the pilot. Extended flight beyond the nearest approved landing area where appropriate assistance can be expected is not recommended