AW139 Limits Flashcards
Max occupants?
Low-density – 14 High density – 17
Max towing gross weight?
6450 kg
Max airspeed with take off power?
90 KIAS
Max airspeed with NR 102%?
90 KIAS
Minimum airspeed for flight IFR? (Vmini)
50 KIAS
Max airspeed for IFR approach?
150 KIAS
One AP fail Max climb speed? Max a/s? Max rate of climb?
100 KIAS 140 KIAS 1000 FPM
Minimum airspeed for autorotation?
40 KIAS
CAT A Vertical, short field and back up procedures? Clear area procedure?
40 KIAS 50 KIAS
Best rate of climb (Vy)?
80 KIAS
Max airspeed with right cabin door locked open? Max with the left or both cabin doors locked open? Max airspeed opening/closing cabin doors?
100 KIAS 80 KIAS 80 KIAS
Paved surfaces- Max taxi speed? Max emergency landing speed? Max towing speed? Max groundspeed with PARK BRAKE ON?
40 knots (nose wheel locked above 20 kts) 60 knots 23 mph 5 kts
On grass surfaces- Max taxi speed? Max emer landing speed?
20 kts (nose wheel locked above 10 kts) 40 kts
Max rotor start/stop wind speed?
50 knots (>27 kts must be recorded in log book)
Minimum temperature for ground starting?
-40 C
Prohibited maneuvers?
-Aerobatic maneuvers. -Flight into known icing or freezing rain. -Practice autorotative landings. (Eng Mode s/w must not be retarded to idle except emergency) -Take off with MAU inoperative.
CAT A misc- Min helideck size? Min heliport size for confined areas? Takeoff w/ tail wind?
50x50 ft 65x65 ft Prohibited
CAT A misc- Max cross wind? Heater?
-20 kts (between 10 and 20 kts headwind must be 5 kts and a 3 m air gap below helideck) -Must be off.
Max continuous NR/Nf AEO? Min continuous NR/Nf AEO? Cautionary NR/Nf AEO?
101 98 103
Max continuous NR power off? Min continuous NR power off?
110 95
Max transient NR power off? Min transient NR power off?
116 90
Max continuous ITT during start? Max transient ITT during start?
869 1000 (2 seconds)
Max continuous NR/Nf OEI? Min continuous NR/Nf OEI? Cautionary NR/Nf OEI?
101 90 103
Max transient NR/Nf OEI? Min transient NR/Nf OEI?
106 (10 seconds) 85
Max transient NR/Nf AEO? Min transient NR/Nf AEO?
106 (10 seconds) 95
Max continuous PI AEO? Max take off power AEO? Max transient PI AEO?
100 110 (5 minutes) 121 (5 seconds)
Max continuous PI OEI? Max 2.5 PI OEI? Max transient PI OEI?
140 160 (2.5 Min) 176 (5 seconds)
Hydraulic pressure Normal? Max cautionary?
-180 to 225 Bar ~207 Bar= 3000 PSI -250
Hydraulic temperature Normal? Max cautionary?
-20 to +119 +134
Oil temps; -TGBOT, IGBOT, MGBOT? -EOT? -EOT transient/Max?
+1 to +110 +10 to +140 145 (150=1 min)
Oil press MGBOP? (Min start/GI) EOP? (Min start/GI) EOP eng accel? EOP Max cold wx?
3.1 to 6.0 (2.3) 6.3 to 8.9 (4.2) 10 15.2 (5 min)
Max battery discharge? Max battery charge? Min main bus voltage? Max main bus voltage?
-200 Amps +200 Amps 22 volts 29 volts
Engine starter duty cycle?
45 seconds on, 1 minute off 45 seconds on, 1 minute off 45 seconds on, 30 minutes off
Unusable fuel? Low fuel prohibited maneuvers?
-18 lbs per tank -hovering in crosswinds or sideways flight with sustained roll angles greater than +/- 15 degrees when fuel is less than 70 kg in either tank.
Q- line quantity? L-line quantity? Low fuel quantity?
1102 lbs (upper fuel probe transitions to lower probe) 502 lbs (level fuel unavailable w/ inop boost pump) 202 lbs per side
DC generator: Normal? Cautionary? Max? & (note)? MPOG with gen load >75%?
0-100% 101-155% 155% (max cautionary can be exceeded for up to 45 sec for eng start only) Max 20 mins
Wheel brake application? Parking?
Max 40 knots. Slopes up to 10 degrees for 1 hour.
Pitot heat?
On at 4*C or less, off at 10*C or more.
Min AP VFR? Min AP IFR?
2 AP in SAS 2 AP in ATT
CAT 1 ILS up to? Max a/s with glide slope up to 4 degrees? Max a/s with glide slope between 4 and 7.5 degrees? Steep approach PI?
7.5 degrees 150 KIAS 120 KIAS Not less than 5% PI
Increase gross weight supplement?
Supplement 50
Max taxi speed above 6400 kg? Max emergency landing speed above 6400 kg? Grass surfaces above 6400 kg?
20 kts 40 kts Prohibited
Vle/Vlo speed?
150 KIA
Min normal fuel pressure?
0.6 Bar
Idle Ng?
65% auto, 75% manual
Abort start criteria?
-No light off w/in 10 secs of eng mode s/w idle. -Abnormal noises. -ITT increases beyond limits. -RTR not turning by 40% Ng. -Starter fail to disengage at 49% Ng. -Eng hangs below 54% Ng.
Battery hot temp?
>65*C
Eng power check PI?
90%
Nf over speed?
111% fuel cut until 109% then reintroduced.
Engine PMA is energized at what Ng?
40%
Cat A supplement?
12
Starting min voltage?
23 Volts
Tq limiter limits Tq to what?
114% per engine
Overall Vne?
167 KIAS
Land Immediately?
- Any fire u can’t put out. 2. Multiple transmission failures 3. T/R control fail hover 4. T/R drive fail hover 5. T/R binding hover
Land as soon as possible?
- Any fire put out 2. MGB press or temp light 3. IGB or TRGB temp light 4. Cockpit or Baggage door light
Fuel capacities?
3681 lbs total Main 1400/1400 lbs Aux 881 lbs
Max OEI airspeed?
147 knots
Autorotation; Best glide? Max range?
80 100
Volts amber dashes appear on elec page?
15 volts
What happens if gen shows load less than 3%?
Bus Tie Opens
When will the bus tie contactor close?
1)Bus Tie s/w ON and Bat Master and Bat Main-on. 2)External Power plugged in and External Power s/w on. 3) Gen Power lost to Main Bus #1 or #2.
Engine Start Callouts?
*Clock–Start *Engine mode Switch–Idle *NG/ITT/NG–Start/Ignition/Idle *Volts- Stable/Recovering *Oil Pressure- Rising *ITT- In limits *RTR- Turning *Engine Starter- Out @ 49% NG *Engine NF and NR Idle 65% +- 1 *Engine and Transmission- Ts and Ps *Rotor Brake- Caliper Down
Fuel Panel Test?
*MFD- Fuel Page *Cross-feed- Open then Normal *FP 1- Off, press recovers, 2 CAS *FP 1- On *FP 2- Off, press recovers, 2 CAS *FP 1- Off, no pressure *Cross-feed- Close for 15 secs *Cross-feed- Normal *FP 1 and 2- On
What does the illumination of a 1 or 2 DC GEN HOT caution message indicate?
Generator exceeds 166 degrees C.
What does the illumination of the DC BUS FAIL caution message indicate?
A bus fault has been detected on one of the Main Buses due to an overcurrent.
RESET on the Bus Tie s/w does what?
The logic for opening/closing the bus tie is reset.
How many times may the chip burner be activated after an IGB CHIP or TGB CHIP light before landing is required?
A maximum of 3 IGB or 3 TGB chips, after that land as soon as practicable.
What is the Maximum Ambient Operating Temperature for the AW139?
40 Degrees Celcius
What is Minimum NG for Idle AEO ?
55% Ng
In the case of a MAU 1 or 2 failure what information must we NOT use?
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