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DO228
Dornier 228-202 General Knowledge
144
Other
Not Applicable
02/11/2018

Additional Other Flashcards

 


 

Cards

Term
What is the Minimum Fuel For Takeoff?
Definition
200 lbs per tank. This does not meet the fuel requirements for part 135 operations.
Term
What is the total fuel carried aboard the DO228-202?
Definition
4251 lbs (634 Gallons)
Term
What is the Total Usable Fuel on board?
Definition
4156 lbs (620 Gallons)
Term
What is the Minimum Fuel for Jet Pump Operations?
Definition
17lbs
Term
What is the maximum allowable fuel imbalance?
Definition
700 lbs 300 lbs for crosswind of more the 15kts and/or single engine operations.
Term
What is the maximum oil capacity per tank?
Definition
6.25 quarts
Term
What is the maximum useable oil per tank?
Definition
5.25 quarts
Term
What is the maximum oil consumption allowed?
Definition
1 quart per 12.5 hours of operation
Term
What is the maximum ramp weight?
Definition
13735 lbs
Term
What is the maximum takeoff weight?
Definition
13669 lbs
Term
What is the maximum landing weight using flaps 1 or 2?
Definition
13448 lbs
Term
What is the maximum landing weight with flaps up?
Definition
13007 lbs
Term
What is the maximum zero fuel weight?
Definition
12324 lbs
Term
What is the maximum forward baggage compartment weight?
Definition
265 lbs
Term
What is the maximum aft baggage compartment weight?
Definition
463 lbs
Term
What is the maximum operating altitude without MAAS installed?
Definition
15000 ft
Term

What is the maximum operating altitude with MAAS installed?

 

Definition
25000
Term
What are the oil temperature limitations for engine start?
Definition
-40 to 55 degrees C
Term
What are the outside air temperature parameters for engine operation?
Definition
-54 to 55 degrees C
Term
What are the generator capacities?
Definition

250A Continuous

375A for 2 minutes

500A for 3 seconds

Term
What are the DC voltage limits and what is the start voltage limit?
Definition
18-30V minimum 24V for start
Term
What are the AC voltage limits?
Definition
110-120V
Term
What are the hydraulic system pressure limits?
Definition
180-230 bar
Term

What are the Brake pressue parameters?

 

Definition
80-250 bar
Term
Rotation speed V1 (max gross)
Definition
92 kts
Term
Takeoff safety speed (max gross)
Definition
96 kts
Term
Best rate of climb single engine VYSE
Definition
105 kts
Term
Best angle of climb VX
Definition
90 kts
Term
Best rate of climb VY
Definition
120 kts
Term
Maneuvering Speed VA
Definition
147 kts
Term
Flap speeds VFE/VFO
Definition
Flaps 1 150 kts
Flaps 2 130 kts
Term
Landing gear VLE/VLO
Definition
160 kts
Term
Maximum operating speed VMO
Definition
200 kts
Term
Minimum operating speed VMC
Definition
Flaps up 81 kts
Flaps 1 81 kts
Flaps 2 76 kts
Term
Best glide
Definition
100 kts
Term
Tire limit speed
Definition
140 kts
Term
What are the dimensions of the DO228-202
Definition
54' 4" long
55' 8" wide
15' 11" high
Term
What is the maximum crosswind speed for Ground Operations, for Takeoff and Landing?
Definition
45 kts ground operations 30 kts takeoff/landing
Term
Maximum takeoff weight is limited by
Definition
T/O distance, accelerate/stop distance, climb gradient, enroute climb gradient.
Term
Maximum landing weight is limited by
Definition
Landing distance, balked landing climb gradient
Term
Maximum positive G's
Definition
Flaps up 3.11g
Any other flap position 2.0g
Term
What color are the Master Warning and associated annunciator lights
Definition
Red
Term
What color are the Master Caution and associated annunciator lights
Definition
Amber
Term
Where is the lamp test button located
Definition
Center pedestal
Term
The landing gear horn has a ______ pitched tone that is ____________
Definition
Low, cycling
Term
The Master Caution/Warning horn has a ________ pitched tone that is __________
Definition
Medium, continuous
Term
The Autopilot disconnect horn has a _________ pitched tone that is __________
Definition
High, continuous
Term
The DO 228 has ________ inverters, and what is their purpose
Definition
2, convert 24V DC to 115V AC
Term
What instruments use AC power
Definition
HSI and attitude indicator
Term
The aileron trim is controlled ____________ and the trim control is located where
Definition
Electrically, center pedestal
Term
The rudder trim is controlled ____________ and the rudder trim control is located where
Definition
Manually, R/H overhead panel
Term
The horizontal stabilizer trim is controlled ____________ and the control is located where
Definition
Electrically, outboard yoke
Term
What type of flaps are on the DO228
Definition
Fowler
Term
How are the flaps actuated on the DO228
Definition
Electrically
Term
Where is the flap control lever located?
Definition
Center pedestal
Term
What flap settings are approved for takeoff in the DO228
Definition
Flaps UP, 1, and 2
Term
What is the purpose of the flap asymmetry control unit?
Definition
To sense an asymmetric deployment of the flaps, If the flap asymmetry unit senses an asymmetry, it will stop the flaps and hold them in the current position.
Term
What systems use hydraulic power
Definition
Brakes, Landing Gear, Nosewheel Steering
Term
Where is the hydraulic power pack located?
Definition
LH wheel sponson
Term
With the hydraulic switch in the NORM position what provides electricity to the hydraulic pump
Definition
The generators or the GPU.
Term
With the hydraulic switch in the MAN position what provides electricity to the hydraulic pump
Definition
The generators, the GPU, or the Batteries
Term
The landing gear is ____________ controlled and ______________actuated
Definition
Electrically, hydraulically
Term
The microswitches for the landing gear are located where
Definition
On the up and down locks
Term
In normal operation, both the gear indication lights and the hydraulic pump operation are controlled by?
Definition
The landing gear micro switches
Term
What is the recommended tire pressures for the DO228 nose tire/main tires?
Definition

Nose 30 psi

Mains 72psi

Term
How is the gear warning horn activated
Definition
One or both of the power levers is retarded near flight idle and the landing gear is not down or locked
Term
Describe the procedure used to extend the landing gear with the EMERG LDG gear handle.
Definition
Speed below VLO, hydraulic switch off, landing gear lever down, pull clip off handle, pull emergency handle, check for 3 green.
Term
What are the 5 criteria that must be met before the nosewheel steering will operate in the 45 degree mode
Definition
NLG actuator microswitch closed (DN and Locked)
Weight on Wheels switch closed
Nosewheel steering switch is in on position
Speed levers low
Nosewheel steering 45 degree button depressed
Term
What does the nosewheel steering bypass light indicate
Definition
Nosewheel steering is in bypass or the hydraulic pump is off
Term
What does the nosewheel steering 45 degree light indicate
Definition
45 degree steering is available
Term
What are the 3 positions of the nosewheel steering switch
Definition
Bypass
On
Test
Term
What kind of powerplant is on Bighorn Airways DO228s
Definition
Garrett TPE331-10 conversion.
Term
What propellors are installed on Bighorn Airways DO228-202
Definition
Hartzell HC-B4TN-5 ML/LT 10574
Term
What is Beta mode
Definition
Any time the power levers control the propellor pitch
Term
What is the purpose of the Enrichment Valve
Definition
To enrich the fuel to maintain engine acceleration and temperature during start
Term
What is the purpose of the overspeed governor
Definition
To keep the engine from overspeeding. It is set to maintain 104% rpm +/- 1%
Term
The engine mounted fuel shutoff valve that is located downstream of the FCU is electrically opened by
Definition
The 10% speed switch or the manual ignition switch if performing a manual start
Term
What is the purpose of the underspeed fuel governor? How does it do this?
Definition
To keep the engine from bogging down below 70% rpm
By adding fuel
Term
What are the two ways the engine mounted fuel shutoff valve is closed
Definition
Start switch to stop Speed lever to Shutoff
Term
What does NTS stand for
Definition
Negative Torque Sensing
Term
What is the purpose of the NTS system, how does it accomplish this?
Definition
To reduce control loads to a manageable level in the event of an engine failure by driving the propellor toward feather
Term
How do we limit EGT in the Bighorn Airways DO-228
Definition
We set the bugs for the temperature of the day and limit the EGT with the power levers
Term
Describe the 5 positions of the Engine Speed Lever
Definition
High
Cruise
Low
Shutoff
Feather
Term
Describe the 5 positions of the Engine Power Lever
Definition
Max
Flight Idle
Start
Ground Idle
Reverse
Term
When must the propellor sycrophaser be turned off for what operations?
Definition
Takeoff, Landing, Single Engine Operations
Term
What are the torque limits for Bighorns DO228s
Definition
100%
Term
What are the EGT limits for Bighorns DO228s
Definition
The EGT for the day is set before takeoff and landing using a chart and bugs.
Term
What are the oil temperature limits
Definition
55-110 continuous
110-127 for 5 minutes
Term
What are the oil pressure limits
Definition
70-120 Cruise/Flight Idle
40-120 Ground Idle
70-120 Reverse
Term
What is the purpose of the oil vent valve and when does it close?
Definition
To reduce start loads by venting the oil system, 55% RPM
Term
Is it OK to mix oil types?
Definition
No
Term
What kind of oil does Bighorn use in its TPE331 engines
Definition
Eastman 2380
Term
At what pressure will the red OIL warning light illuminate?
Definition
40 psi
Term
During a normal/manual start at what RPMs should the ignition system be turned on/off?
Definition
10% and 55%
Term
How is the ignition/fuel flow started in a manual start?
Definition
With the Manual Ignitor Switch,
Term
Describe the three positions of the manual ignition switch.
Definition
CONT-continuous ignition on
OFF- System may be actuated by starter switch
START- System is active as long as switch is held in start position.
Term
When are the ignition lights illuminated?
Definition
When the ignition is active 10-55% rpm
Term
Describe the three positions of the Starter Switch
Definition

Start- Power will be applied to the starter when the START selector switch is in the position GROUND or VENT. In the position AIR, the unfeathering pump will be activated. 

Stop- The starter is disengaged, or the unfeathering pump is deactivated. The fuel solenoid closes causing the engine to shutdown due to fuel starvation, and the fuel purge system is activated. 

The middle position isn't labeled, it is a neutral position, this is the guarded position

 

Term
Describe the three positions of the Start Selector Switch
Definition

Ground- for ground starts, start switch activates starter Vent- In this position the auto ignition and fuel circuits are de-activated. This position is used for Engine Motoring or Manual Start. The starter switch must be held in the START position for operation

Air- for air starts, start switch activates unfeathering pump, windmilling propellor provides engine RPM. Ignition and Fuel will be activated automatically at about 10% RPM

Term
What is the maximum EGT temperature for start
Definition
770 C for one second
Term
What are the starter limits on the DO228
Definition
60 seconds on 60 seconds off
60 seconds on 5 minutes off
60 seconds on 1 hour off
Term
What is the minimum airspeed for an airstart
Definition
92 knots
Term
What is the recommended max tailwind for starting
Definition
10 knots
Term
When a battery start is performed, after the generator is turned on, wait until the amp load drops below ______ amps before attempting to start the second engine
Definition
200 amps
Term
While starting the second engine the generator should be turned ________ prior to engaging the starter and ________ 25% rpm
Definition
Off
On
Term
During the start the engine should be enriched to maintain a starting temperature of _________
Definition
695 degrees +/- 5 degrees
Term
How is a normal start aborted?
Definition
Hit the Stop switch
Term
List observed conditions the require a start to be aborted
Definition
Start sequence fails
Batt Warn light illuminates
RPM doesn't reach 10%
No EGT rise within 10 seconds 5 seconds on warm engine
No EGT rise within 20% and fuel is unlit
EGT approaches 770 degrees or temps rise rapidly
Any unusual noise or vibration
Instruments indicate unusual condition
Term
How is excessive engine heat (fire) detected and indicated?
Definition
A fire loop around the engine detects heat A fire light in the fire handle indicates heat along with an aural warning
Term
How many engine fire extinguishers are available for engine fires
Definition

2 total

1 bottle for each engine

Term
What indications of engine fire bottle servicability are there?
Definition
There is a pressure gauge and an overpressure blowout disc, both are located in the leading edge of the wing just outboard of the nacelle.
Term
How is the fire bottle discharged?
Definition
Pull the associated fire handle to close the fuel valve, turn the handle to discharge the bottle
Term
If a fuel imbalance is observed, how can we balance the fuel in flight?
Definition
Crossfeed
Term
If both pumps in one wing become inoperative in flight how much un-usable fuel can you expect?
Definition
About 200 lbs or nearly 30 gallons
Term
If a FUEL QTY light illuminates how much fuel is remaining
Definition
About 180 lbs or about 27 gallons
Term
What is the purpose of the FIRE COCK switch?
Definition
To open or close the firewall fuel shutoff valve. The FIRE COCK switch is connected directly to the battery.
Term
When fueling with the single point system, what PSI should be used?
Definition
50 psi
Term
To maximize the fuel load what should we do while fueling?
Definition
Turn on the boost pumps to fill the feeder tanks to maximum
Term
What does a GEN caution light indicate?
Definition
Generator off line
Term
If both Generators have failed how long might the batteries last if appropriate actions are taken?
Definition
Approximately 30 minutes
Term
When using external power, what settings should the external source be set to?
Definition
1000A, 24V
Term
How many batteries does the DO228 have and where are they located?
Definition
2 Batteries, under the floor of the nose bag compartment.
Term
Describe the three positions of the Battery switches
Definition
ON- Batteries are connected to the DC BUS
OFF- Battery relay is disconnected from the BUS
EXT-External power is supplied to the Electrical BUS if available
Term
Describe the three positions of the TIE switch
Definition
TIE-center, guarded, BUS 1 and 2 connected
BATT BUS 1- BUS 1 and 2 are separated Batteries are connected to BUS 1
BATT BUS 2- BUS 1 and 2 are separated Batteries are connected to BUS 2
Term
What does the CABIN TEMP caution light indicate?
Definition
The ducting has reached a temperature of over 65 degrees, an Overtemp
Term
What is the procedure for a CABIN TEMP light?
Definition

Temp mode MAN

Manual control COLD

hold to cold until light extinguishes

 

If light stays on

A/C off

A/C RAM

Term
What does the BLEED PRESS light indicate?
Definition
The air pressure entering the pack is too high
Term
What is the corrective action for a BLEED PRESS light?
Definition
A/C master off, if the light is still on, turn off R or L bleed. When light off, operate A/C with remaining bleed.
Term
The pilots airspeed indicator operates off of the _________ pitot tube, and the ___________ static source
Definition
Left, S1 (left)
Term
Is there an alternate static source on the DO228?
Definition
Yes but only for the left instruments
Term
The left pitot heat activates what other anti-ice system?
Definition
Lift transducer heat
Term
When the RSD needle is pointed at the Triangle, what speed is indicated?
Definition
1.3 Vs
Term
At what speed above a stall does the Stall Warning activate?
Definition
5-12 kts
Term
What conditions cause the RSD to become unreliable?
Definition
Icing
Term
At what temperature should the Engine Intake heat be activated?
Definition
+5c
Term
How long can the Engine Air Inlet heat be operated above 5C
Definition
10 seconds
Term
What de-ice system switch is labeled SURF?
Definition
Wing and Tail Boots
Term
What is the maximum speed Windshield Wipers can be operated?
Definition
140 kts
Term
In the event of a dual Generator failure, and assuming adequate voltage remains, what additional action is required to lower the landing gear normally?
Definition
The Hydraulic pump must be switched to Manual.
Term
What does the DO228 allow for emergency fuel?
Definition
Avgas
Term
What hydraulic fluid do we use in the DO228?
Definition
MIL 5606
Term
On the RH side of the engine above the oil tank is a red pop out indicator, what does it indicate if it's popped out?
Definition
Oil filter bypass
Term
Does the DO228 incorporate trim tabs?
How does the trim on the DO228 work?
Definition
The rudder trim uses a trim tab
The Aileron and Horizontal Stab trim work by repositioning the surfaces.
Term
The DO228 has a very effective flap system. What other control surface helps contribute to this effectiveness?
Definition
The ailerons droop with flap deployment.
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