Term
| Helicopter VFR Visibility requirements: |
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Definition
Below 1,200' AGL in Class G...
w/i boundaries of B, C, D, E...
1. Day, 1/2 mile
2. Night, 1 mile |
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Term
| Helicopter VFR Fuel Supply: |
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Definition
| Fly to location of intended landing and after that for: 20 MINUTES. |
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Term
| VFR Over-the-Top w/ passengers: |
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Definition
1. Wx reports able to descend and land under VFR for at least ONE hour AFTER ETA.
2. IFR approach being clear of clouds until IAF,
3. Descent under VFR in engine fails. |
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Term
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Definition
U.S. National Wx Service
However...
For VFR if no report available may use own observations or those of other competent person(s). |
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Term
| IFR Takeoff limitation (Wx) |
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Definition
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Term
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Definition
| No takeoff unless destination Wx @ landing mins. |
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Term
| Alternate airport Wx mins: |
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Definition
| May not designate an Alternate UNLESS Wx will be at Alternate Minimums @ ETA. |
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Term
| Alternate FUEL requirements: |
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Definition
1. Fly to intended, THEN
2. Fly to Alternate, THEN
3. Fly for 45 minutes (30 in Helicopter.)
(NO NEED TO LIST ALTERNATE IF ONE HOUR BEFORE AND ONE AFTER ETA Wx REPORT IS 1,500' above LOWEST circling approach MDA---Or---
ceiling 1,500' above the lowest published min----OR---
2,000' above the airport el.
AND
Visibility is forecast @3 miles or TWO miles more than LOWEST applicable visibility minimums, whichever is greater. |
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Term
5. MAXIMUM SPEED
5.1 VNE with doors closed
5.1.1 VNE Power–on |
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Definition
- Absolute VNE is 155 kt (287 km/h – 178 MPH) at zero pressure-altitude.
- At higher altitudes this speed is to be reduced by 3 kt (5.5 km/h or 3.5 MPH) per
1000 ft or 18 km/h per 1000 m.
- In cold weather the following must be subtracted from VNE:
10 kt (19 km/h – 12 MPH) when OAT is below -30°c. |
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Term
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Definition
- Absolute VNE is 125 kt (231 km/h – 144 MPH) at zero pressure-altitude.
- At higher altitudes this speed is to be reduced by 3 kt (5.5 km/h or 3.5 MPH) per
1000 ft or 18 km/h per 1000 m.
- In cold weather the following must be subtracted from VNE:
10 kt (19 km/h – 12 MPH) when OAT is below -30°c. |
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Term
| VNE with doors open or removed |
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Definition
5.2.1 Aircraft fitted with four standard doors (LH and RH hand doors)
VNE is limited to 70 knots (130 km/h – 81 PMH) for the following permissible
configurations:
· 4 doors removed
· 2 RH doors removed Any other configuration is prohibited
· 2 LH doors removed |
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Term
Altitude
Maximum substantiated pressure-altitude: |
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Definition
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Term
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Definition
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Term
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Definition
- Flight when visibility is greater than 1500 m (0.81 NM): flight in falling snow is
authorized.
- Flight when visibility is 800 to 1500 m (0.43 to 0.81 NM): the total flying time in
falling snow is limited to 10 min. This time limit includes the time required to
leave all snow conditions, irrespective of the visibility.
- Flight when visibility is less than 800 m (0.43 NM): flight in falling snow is
prohibited |
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Term
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Definition
On the ground at low pitch------ 380 ± 8 rpm
In stabilized flight----------------390 ± 5 rpm |
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Term
MAIN ROTOR SPEED
Power off |
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Definition
Maximum-------------------------430 rpm
Minimum -------------------------320 rpm |
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Term
| Note: the horn sounds when the rotor speed is: |
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Definition
Below 360 rpm (continuous sound)
Above 410 rpm (intermittent sound) |
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Term
ROTOR BRAKE LIMITATION
- Maximum rotor speed for rotor brake application: |
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Definition
170 rpm
- Minimum time between two consecutive brakings: 5 min |
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Term
| FIRST LIMITATION INSTRUMENT |
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Definition
- Maximum continuous limitation: 9.6
- Take-off zone (5 min)
9.6 to 10
- Maximum take-off limitation: 10 (activation of the power alarm)
- Maximum transient limitation: 10.4 |
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Term
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Definition
When airspeed is lower than 40 kt (46 MPH):
- Maximum transient torque: (10 seconds max.) 104 %
- Maximum continuous torque: 100 %
When airspeed is equal or greater than 40 kt (46 MPH):
- Maximum continuous torque: 92.7 % |
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Term
ENGINE LIMITATIONS
The aircraft is equipped with a TURBOMECA “ARRIEL 2B” engine.
Operating limitations are determined by: |
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Definition
1. The gas generator rotation speed (Ng),
2. By the exhaust gas temperature (t4) or by
3. The free turbine rotation speed (Nf)
depending on the operating conditions. |
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Term
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Definition
- Maximum for engine starting--750°c
- Maximum transient during starting (10 seconds max.)-----865°c
- Maximum take-off -------------915°c
- Maximum continuous ---------849°c |
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Term
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Definition
Maximum:
· Continuous ------------418 rpm
· Transient limits
(5 seconds max.) ---------------450 rpm
- Minimum-------------349 rpm
NOTE: A rotor speed of 394 rpm corresponds to a free turbine speed of 39970 rpm. |
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Term
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Definition
Normal pressure--------
2 to 6 bar (29 to 87 psi)
Minimum pressure --------------1.1 bar (15.9 psi)
- Maximum pressure starting sequence---------------------- 9.8 bar (142.1 psi) |
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Term
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Definition
Maximum oil temperature------------- 115°c
Minimum oil temperature before power application --------------- 0°c |
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Term
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Definition
- Maximum voltage 31.5 V
- Rated voltage range 26-29 V
- Maximum current 150A |
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Term
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Definition
- Nose-up --------------------10°
- Nose-down----------------- 6°
- Sideways ------------------ 8° |
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Term
Sliding landing
Excluding failures, the maximum speed for performing sliding landings is... |
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Definition
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Term
INSTRUMENT MARKINGS
Color code |
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Definition
- Red -----------------------------Safety limit
- Yellow---------------------------Caution range
- Green --------------------------Normal operating range
- White ---------------------------Equipment operating limit
- Red triangle--------------------Transient limit |
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Term
PITOT
Pitot heating system not
energized |
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Definition
- Check the push-button (ON).
- Monitor airspeed indicator. |
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Term
FUEL
Fuel quantity less than
(15.8 US gal) |
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Definition
- Avoid large attitude changes.
Note: approximately 18 minutes level
flight remain at maximum continuous
power. |
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