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Fuel pressure supplied by high pressure fuel pump?
700psi
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Fuel pressure supplied by low pressure fuel pump?
40psi
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Over wing refueled full fuel load?
1200lbs
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SPR refueled full fuel load?
1100lbs
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Collector tank capacity?
40lbs
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Normal wing tank capacity?
530lbs ea.
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How much torque is the engine producing at 100% indicated torque?
2900ft/lbs
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What is the max shaft horsepower?
1100hp
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What is the basic empty weight and maximum takeoff gross weight?
4900 lbs, 6500 lbs
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What is the oil system capacity?
18.5 quarts
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When must the oil level be serviced?
Within 30 minutes of engine shutdown. For most accurate readings, check 15-20 minutes after shutdown.
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What are normal oil pressure indications when the engine is not running?
0-4 psi
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When will the amber OIL PX light illuminate?
- IDLE: 15-40 psi
- NORMAL: 40-90 psi for 10 seconds
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When will the red OIL PX light illuminate?
- IDLE: <15 psi
- OTHER: <40 psi
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When will both red and amber OIL PX lights illuminate?
IDLE: 15-40 for >5 seconds
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What function does the reduction gearbox have?
Reduces power turbine output (30,000 RPM) to propeller operating speed (2000 RPM)
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What is the diameter of the propeller?
97 inches
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How much torque is the engine producing at 100% indicated torque?
2900 ft-lbs
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What is the blade angle at the low pitch setting?
15°
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What powers the PMU?
32 VAC Permanent magnet alternator unless NP is below 40-50%
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When will the PMU abort an auto start attempt?
ITT exceeds 940° C for 2 sec; 870° C for 4 sec; 840° C for 19 sec; N1 acceleration rate <50% of normal
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What happens when IOAT is 96 - 121° C?
The PMU defaults to 121°C, IOAT and ITT data will be invalid, EDM FAIL will be displayed.
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What happens when IOAT is >121° C
PMU will go offline, PMU FAIL annunciator will illuminate
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When does automatic fuel balancing occur?
More than 20 lbs imbalance for >30 sec
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When does auto fuel balance system shut off?
If fuel imbalance is not reduced to <30 lbs within 2 minutes
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amber PMU STATUS
in flight: mismatch weight on wheels, w/not revert ground mode, MASTER CAUTION; Ground: a fault
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red PMU FAIL
PMU in/op; amber PMU STATUS, MASTER WARN/CAUTION
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red CHIP
metal in oil; MASTER WARNING
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amber CKPT ALT
cockpit pressure > 19,000ft; MASTER CAUTION flashes
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red CKPT PX
dif. pressure > 3.9-4.0psi; MASTER WARN flashes
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red FIRE
engine temp exceeds limitations; MASTER WARN
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red FUEL PX
fuel pressure <10psi
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amber L/R FUEL LO
L/R wing tank < 110lbs
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amber FUEL BAL
fuel imbalance > 30lbs.; fuel probe fail
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M FUEL BAL
fuel balance switch not in AUTO position
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amber HYDR FL LO
Hydraulic fluid < 1qt; MASTER CAUTION light
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amber EHYD PX LO
pressure in emergency accumulator < 2400psi +/-150; MASTER CAUTION flashes
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amber TAD FAIL
trim aid device failure
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To what quantities do the fuel probes indicate?
Outer: 445 ± 50 lbs; Mid: 308 ± 50 lbs; Inner: 20 lbs
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What are the components of the electrical system?
28 VDC, 300 amp starter/generator; 24 VDC, 42 ampere-hour battery' 24 VDC, 5 ampere-hour auxiliary battery
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What is the capacity of the hydraulic system?
5 quarts
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When does the normal hydraulic system pressure relief valve open?
3250 to 3500 psi
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What is the normal hydraulic system pressure?
3000 ± 120 psi
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What is the minimum normal hydraulic pressure to operate components?
1800 psi
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What function does the check valve have?
Prevents emergency system from bleeding into the main system
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What function does the hydraulic fuse have?
Prevents emergency system from bleeding into the main system; 20-30 cubic inches (0.5 quarts) to leak at a rate of 0.25 GPM
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How much do the flaps extend for flaps TO and LDG?
TO: 23°; LDG: 50°
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How much do the ailerons move?
20° up; 11° down; ±6° trim
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How much can the elevators move?
18° up; 16° down; 5.5° up trim; 22° down trim
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How much can the rudder move?
L/R ±24°; Trim ±9°
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Under what situations should engine start be aborted?
ITT rate of increase appears likely to exceed 1000° C; Normal N1 increase is halted; No rise of ITT is evident within 10 seconds after fuel flow indications (no start); BAT BUS annunciator illuminates during the start sequence; PCL is moved or the ST READY annunciator extinguishes during the start sequence
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What are indications of engine fire on the ground?
Primary are FIRE and MASTER WARN annunciators;
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Under what conditions should the engine be shutdown on the ground?
Engine Fire; Prop strike; Chip Light; Departing a prepared surface; Any other serious ground emergency
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What are indications of a complete engine failure immediately after takeoff?
A total loss of power and a fairly rapid reduction in airspeed.
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What are initial indications of engine failure/flameout?
Low of power and airspeed; Rapid decay of N1, torque, and ITT; Propeller movement towards feather due to loss of oil pressure
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At what percent does Torque being to indicate?
8%
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What annunciators will illuminate after an engine failure?
Initially, GEN, FUEL PX, OIL PX; Followed by OBOGS FAI
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What should the initial reaction to any engine malfunction at low altitude be?
Trade Airspeed for altitude; Zoom if above 150 KIAS, maintain level glide if below 150 KIAS
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What kind of pull should be initiated if above 150 KIAS and the engine fails?
2G pull up to a 20° climb. Use 20 KIAS lead to initiate a 0 to +0.4 G pushover to capture glide airspeed
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How much altitude gain can be expected from 200 KIAS? 250 KIAS?
200 KIAS: 600 to 900 ft ; 250 KIAS: 1170 to 1550 ft
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How much altitude loss can be expected with each airstart attempt?
1200 ft total, 1350 to 1500 ft/min
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How long will it take before useful thrust can be developed after an airstart attempt?
40 Seconds
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How long will it take before the propeller RPM unfeathers and accelerates to normal operating RPM?
Approximately 20 seconds after N1 reaches 45%
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What is the airstart envelope?
SL – 15,000 ft: 125-200 KIAS; 15,001 – 20,000 ft: 135-200 KIAS
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What are the indications of an engine rollback?
Uncommanded reduction in power/thrust; Lower than expected fuel flow, uncommanded decrease in N1, high RITT on the AEDD
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How long do fluctuations in engine indications usually last during a prop sleeve touchdown?
15-20 seconds
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What are initial indications of compressor stalls?
Abnormal engine noise (bangs, backfires, engine sputtering); Increasing ITT; Decreasing N1 and torque; Fluctuating engine indications
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What are indications of PMU Failure?
Simultaneous illumination of PMU FAIL and PMU STATUS; Step change in engine power
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How long will it take to drain the battery if starter is left in MANUAL?
10 minutes
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How long will the generator and battery buses be powered?
Until 16 volts
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When are flaps LDG landings performed?
When landing distances are >=80% of runway length
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When are flaps TO landings performed?
For full-stop landings with 10 knot or greater crosswind
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When are flaps UP landings performed?
Full-stop landings with >20 knot crosswinds if landing distance is not a factor
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When should a breakout from inside downwind be performed?
Aircraft in final turn and not in sight; Straight in inside 2 miles and not in sight; ELP inside low key and normal spacing cannot be maintained; Pattern spacing cannot be maintained within normal ground track; Not properly configured by the perch point
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How should approach speeds be changed with high weight?
Above 700-800 lbs of fuel, approximately 3-5 knots above final turn and final airspeed.
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What is the airspeed to altitude relationship?
10 knots airspeed can be traded for 100 feet of increased altitude
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How much altitude can be lost in a 360° turn?
30° bank – 2,000 ft; 45° bank – 1,500 ft; 60° bank – 1,000 ft
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What is the expected glide ratio for a clean, feathered aircraft?
2 miles per 1,000 ft (2:1) with 1,350 – 1,500 fpm descent rate
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