234 Limitations

Question 1

Weight Limitations

Answer 1

42,000 Lbs (UT) max takeoff and landing / 48,500 Lbs (LR)

51,000 Lbs max weight with external load

See figure 1-3 in RFM for external loads. Weights over figure 1-1 in Cat B Supplement must be jettisonable.

Question 2

Airspeed Limits

Answer 2

Use figure 1-7 in CAT B Supplement

120 kts or Vne with external load

Question 3

Min Autorotation Speed

Answer 3

50 kts

Question 4

Sideward Flight or Crosswind Vne

Answer 4

50 kts to 6000 DA
30 kts above 6000

Question 5

Rearward Flight or Tailwind Vne

Answer 5

40 kts to 6000 DA
30 kts above

Question 6

Altitude Limits

Answer 6

13,500 DA CAT B

14,500 DA external load takeoff/landing

15,000 PA for 33,000 Lbs and below. See CAT B supplement 1-7 for heavier weights.

Question 7

HV Diagram Limits

Answer 7

For CAT B, RFM figure 1-5 does not apply. Use figure 1-5 in CAT B Supplement.

HV restrictions do not apply for external loads

Question 8

Max Cabin Floor Loading

Answer 8

150 psft, 20,000 Lbs total

1000 Lbs per wheel (Cargo with wheels)

Question 9

Power On Rotor Limits

Answer 9

98%—100%

82%—104% Transiant

100% for Takeoff and Landing

Question 10

Power Off Rotor Speed

Answer 10

91.1%—105.3%

82% Transient

Question 11

Cold Weather Anti-icing Additive Temp

Answer 11

-23C

Question 12

MTOP

Answer 12

TQ — 77.5%

PTIT — 870c

N1 — 104.2%

Question 13

MCP

Answer 13

TQ — 74.4%

PTIT — 745c

N1 — 97.6%

Question 14

MCP OEI

Answer 14

TQ — 75.6%

PTIT — 745c

N1 — 97.6%

Question 15

30 min OEI

Answer 15

TQ — 104%

PTIT — 910c

N1 — 105.5%

Transient N1 — 123%

Question 16

Dual Engine Transient

Answer 16

TQ — 90%

PTIT — 910c

N1 — 105.5%

Question 17

Start Temp Limit

Answer 17

800c — 910c for 5 seconds

Question 18

Max Oil Temp

Answer 18

154c

Question 19

Oil Pressure Limits

Answer 19

20 — 110 psi

Question 20

Fuel Pressure Limits

Answer 20

13 — 60 psi

Question 21

Cold Weather Transmission Oil Type Temp Limit

Answer 21

-18c

Question 22

Transmission Oil Temp Limit

Answer 22

-20 — 140c

Question 23

Transmission Oil Pressure Limits

Answer 23

20 — 100 psi

Question 24

Minimum Flight Crew

Answer 24

Two Pilots

Question 25

Types of Operation

Answer 25

Transport Cat A Day and night VFR Over water operations IFR cat 1 mins External Load Operations (VFR/IFR)

Question 26

IFR flight Limits

Answer 26

Vne 140 kts or VFR Vne whichever is less Vmini 60 kts 30 degrees of bank or VFR limits if less 1000fpm max climb/descent and max 20 degree bank after AFCS axis failure

Question 27

CAT A HV Limits

Answer 27

CAT A supplement 4

Question 28

Icing Limits

Answer 28

Flight into known icing conditions prohibited

Question 29

Ambient Temp Limits

Answer 29

Outside of -46c — 52c prohibited

Question 30

Pitot and yaw port heat use

Answer 30

On at 3 degrees or colder

Question 31

AFCS Limitations

Answer 31

One pilot hands and feet on controls Both AFCS fully functional in all axes for takeoff Hover check after first takeoff after engine start 120 kts max with either channel in roll or yaw failed 100 kts max with either pitch channel failed. Max bank 23 100 kts, 20 degrees bank, climb500, descent 1000, land as soon as practicable with dual channels failed AFCS off for extended ground ops

Question 32

Flight Director Limitations

Answer 32

Do not engage with parameters above 65 TQ, 95 N1, 700c PTIT. No more than 20% bank with altitude hold on. No coupled approaches above 98% RRPM. Decouple prior to 150 feet AGL

Question 33

LCT Limitations

Answer 33

Use figure 1-8 for Vne with LCTs retracted

Question 34

Cargo Ramp Limitations

Answer 34

Fully closed during flight 150 psft, not to exceed 3000lbs

Question 35

Bank Angle

Answer 35

Avoid bank angles greater than figure 1-9 for internal loads 20 degrees for external loads

Question 36

Prohibited Maneuvers

Answer 36

Aerobic maneuvers prohibited

Question 37

Running Landings On Aft Gear

Answer 37

Max 60 kts swivels locked 20 kts unlocked

Question 38

Running Landings On Aft And Forward Gear

Answer 38

Max 20 swivels locked Not permitted unlocked

Question 39

Rotor Brake Limitations

Answer 39

Dual engine operations with brake applied limited to -10c (ground idle only) Both ECLs in stop to apply brake Max RRPM for normal brake application 40%. 70% for wind greater than 15 kts. Slow brake application if RRPM 35% or less. 15 minutes between brake applications

Question 40

Use Of APU Limitation

Answer 40

Stationary ground operations only. Land immediately and shut down aircraft before shutting down APU

Question 41

Boost Pumps

Answer 41

Engine driven low pressure pump AND at least one boost pump in each tank required to be operational for flight while using Jet A. See RFM for use of other fuels.

Question 42

Low Fuel

Answer 42

110 kts max and fully extended LCTs for flight with less than 1200 lbs (LR) 500 lbs (UT)

Question 43

Fuel Anti-ice Additive

Answer 43

Use if 0 degrees or less on fuel temp gauge Or below -23 ambient temp

Question 44

Engine Fuel Filter LRB

Answer 44

Checked each ramp inspection

Question 45

Fuel Crossfeed

Answer 45

Permitted during OEI only

Question 46

Fuel Jettison

Answer 46

Emergency only Max climb/descent 500 fpm 70 — 120 kts Max bank 15 Both tanks simultaneously

Question 47

Single Point Pressure Refueling

Answer 47

Max pressure 55 psi, 300gpm

Question 48

External Load Limitations

Answer 48

Prohibited over congested areas unless approved by appropriate authority. Required crew only. 120 max airspeed for high density loads 75 max for low density loads Steel shackles only in the cargo hook Set ASI bug to limiting external load Vne

Question 49

CGI Limitation

Answer 49

No limitations in the 234

Question 50

Hydraulic System Limitation

Answer 50

Flight control travel and flight boost interlock check required before engine start. Check each axis of each system (1 and 2) individually, then, all in conjunction. There should be no cross coupling except in yaw and roll used in combination at full travel. Check deactivated system annunciator on and pressure zero