Aircraft Flashcards
What type of engine is in the B206 L4 helicopter?
Rolls Royce 250-C30P
How much horsepower does the engine produce?
650hp but Derated to 490 SHP
What is the max gross weight for the L4?
4,450lbs
What type of main rotor system does the B206 L4 have?
Two bladed Semi Rigid
Do we have a slope landing limitation in the L4?
No
What is the VNE with doors off?
90 Kts
What are starting TOT limits?
100-716 Countinous
716-768 5 Min Takeoff (do not exceed 10 seconds above 768)
871 Max Transient
927 Max for Start & Shutdown 1 second max
What are the limits on the starter for starting with battery?
Battery
60sec/60sec
60sec/60sec
60sec/30min
Power Cart
40sec/30sec
40sec/30sec
40sec/30min
Vne for floats arm/disarm?
60 kts
What are our torque limitations?
0-75 Continuous
75-100% 5 min Take Off
100-105% (Do not exceed 5 seconds above 100%)
What are transmission oil temperature limitations?
15c-110c
What are the rotor limitations power on?
99-101 Continuous
101-104% (During low power descents do not exceed 5 min above 101%)
What is maximum allowable weight in the baggage compartment?
250 lbs
What Nr range should we avoid during ground ops?
71.8%-91.5% N2
What are the rotor limitations power off?
90-107%
What is our VNE?
130 Kts
What is VNE for autorotation?
100 kts
If using an APU what is max amperage allowed?
500 amps
If we lose Gen how long can the battery supply Power to DC bus?
3 hrs daytime
1 hrs nightime
At what N1 should the main rotor be turning at?
25% N1
With power applied using either an APU or Aux battery what position must the battery switch be in?
Off
During pre-takeoff engine runup while checking anti ice, what should we see in the TOT?
Turb Out temp should increase when Anti Ice turn on,
Then decrease back to normal when turned off.
What is minimum cockpit weight? Why?
170lbs to stay within CG Limits
What is maximum allowable rotor RPM?
99-101 Power On
90-107% Power Off
At what RPM is rotor brake allowed to be applied?
30-38%
What components receive oil pressure from the transmission oil pump?
Engine Oil Pressure
Torque Pressure
How is the oil cooler fan driven?
By the oil cooler fan shaft
What accessories does the N1 power?
The Gas Producer (N1) Gear Train operates:
S - Starter Generator
T - Tach Generator (N1)
O - Oil Pump (engine driven)
F - Fuel Pump (engine driven)
F - Fuel Control
What does the N2 power?
The Power Turbine (N2) Gear Train operates:
P - Power Turbine Governor
T - Tach Generator (N2)
T - Torque Meter
O - Output Shaft
How many chip detectors are on the engine?
2?
