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(10) APU (if available)..............................................................START
when at or below 20,000 feet.
On airplanes 5301 to 5630 without SB 604–49–006 or
604–49–009:
(10) APU (if available)..........................................................START
when at or below 15,000 feet.
(11) APU GEN ............................................................................... ON
(12) PACKs.................................................................................. OFF
(13) WING ANTI-ICE ................................................................... OFF
(14) COWL ANTI-ICE .................................................................. OFF
WARNING
To avoid thermal seizure, increase
airspeed as required to maintain at
least 4% N2 indicated. If the N2 is
allowed to drop to 0%, the engine may
thermally seize and may not rotate
even at higher airspeeds or with starter
engagement.
EMER 1-4
REV 76, Jul 17/09
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QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
EMERGENCIES
Double Engine Failure (Cont’d)
NOTE
1. Between 21,000 feet and 10,000 feet, a minimum
of 12% N2 is necessary for a windmill relight.
2. At 10,000 feet and below, a minimum of 10% N2 is
necessary for a windmill relight.
3. Acceleration to VMO is recommended to attain the
necessary N2 for a windmill relight.
4. The altitude loss when accelerating from
240 KIAS to VMO, could be more than 5,000 feet.
5. A push-over to as steep as 15° nose down may be
required.
Windmill relight is feasible:
Yes
(15) Glide airspeed ................................................... INCREASE
to VMO.
CAUTION
The resulting high rate of descent
(up to 7800 fpm) will cause a
significant reduction of available
gliding distance.
On airplanes 5301 to 5407:
NOTE
With the ADG deployed, an airspeed of 330 knots is
permitted for 12 minutes, and an airspeed of between
331 to 348 knots is permitted for 4 minutes.
(16) Descent .................................................................INITIATE
to 21,000 feet or below, at VMO.
(17) BOOST PUMPs............................................ CONFIRM ON
At 21,000 feet and below, attempt to start both engines at
the same time.
When ITT is ≤ 90°C and
N2 is ≥ 12% (between 21,000 feet and 10,000 feet) or
N2 is ≥ 10% (10,000 feet and below):
(18) CONT IGNITION .......................................... CONFIRM ON
(19) Thrust levers (both) ......................................................IDLE
(20) Engine indications ...............................................MONITOR
engine acceleration, ITT and oil pressure.
EMER 1-5
REV 76, Jul 17/09
▼
QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
EMERGENCIES
Double Engine Failure (Cont’d)
At least one engine relights within 25 seconds
(stable IDLE within 2 minutes):
Yes
(21) Thrust lever(s) ..................................... AS REQUIRED
On airplanes 5301 to 5407:
NOTE
Maximum airspeed for continuous operation of the
ADG is 250 knots.
Operating engine(s):
(22) Applicable GEN(s)...................................................ON
On airplanes 5301 to 5630 NOT incorporating Service
Bulletin 604–49–006 or 604–49–009:
(23) APU GEN ..............................................................OFF
(24) Applicable PACK(s).................................................ON
NOTE
Use only one air-conditioning pack during single
engine operations, unless the APU is the bleed
source.
(25) CONT IGNITION ...................................................OFF
Re-establish normal power:
(26) ADG PWR TXFR....................................... OVERRIDE
(27) CAS messages...............................................REVIEW
(28) Affected systems .........................................RESTORE
Only one engine is operating:
Yes
(29) In-Flight Engine
Failure/Shutdown.......................... ACCOMPLISH
(See Page ABNORM 1–2)
− END −
No
(29) No further action required.
− END −
No
(21) Thrust levers (both) ............................................SHUT OFF
Another windmill relight attempt is feasible:
Yes
(22) Airspeed ..............................................MAINTAIN VMO
(23) Wait 30 seconds, then repeat windmill relight
procedure.
EMER 1-6
REV 76, Jul 17/09
▼
QUICK REFERENCE HANDBOOK
PSP 604-15
POWER PLANT
　
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