2021.06.08 机组应急航油系统检查清单 Operations 2 - Excerpt from Pilot Checklist-Redacted

MK-58HUNTER1Jan2011

Fuel-4

Chg-0

FUELGAUGE

◆

Oneorbothgaugesindicateempty.

◆

Readingsfluctuateerratically.

NOTES1

O

●

Ifable,applynegativeGtoverifytheproperoperationoflow

fuellights.

●

Balancefuelwithreferencetolowfuellights.

FUELIMBALANCE

◆

Leftandrightfuelquantitiesdifferbymorethan100lbs.

O

WARNINGS

●

Followingahydraulicfailuretheaircraftmustnotlandwithany

asymmetricloadotherthananemptyinboardexternalfueltank

unlessalow-speedhandlingcheckhasbeenmade.

●

Investigatethelow-speedhandlingcharacteristicsatasafe

altitude.

Ifaproportionerfailureissuspected,landwhilebothfronttanks

O

●

containfuel.

NOTE2

●

Attempttoensuretheimbalanceisnotcausedbyafuelleak.

O

MK-58HUNTER1Jan2011

Fuel-5

Chg-O

FUELGAUGE

ACTIONS:

N1

1.Boostpumps-VERIFYBOTHON(L)

2.Fueltransferpressure-VERIFYINLINE(MI)

O

3.Fueltankchangeover-VERIFYWING(MI)

Elec/Hyd/FItControl

IFUNABLETOMONITORFUELBYOTHERMEANS:

RTB

FUELIMBALANCE

Engine/Fire

O

ACTIONS:

1.Boostpump(lowside)-CYCLEASREQUIRED(L)

W

IFUNSUCCESSFULANDFUELQUANTITYANDBALANCEPERMIT:

RTB

OTHERWISE:

N2

Fuel

LANDASAP

O

LandingGear

O

FUELGAUGE/FUELIMBALANCE

Miscellaneous

MK-58HUNTER1Jan2011

Fuel-6

Chg-O

FUELLEAK

Fuelgaugereadingsaredecreasingmorequicklythan

normal.

O

O

O

O

MK-58HUNTER1Jan2011

Fuel-7

Chg-0

FUELLEAK

ACTIONS:

IFBOTHSIDESAREDECREASINGFASTERTHANNORMAL:

O

1.Boostpumps-CONFIRMBOTHON(L)

Elec/Hyd/FItControl

LANDASAP

IFONLYONESIDEISDECREASINGFASTERTHANNORMAL:

2.Boostpump(affectedside)-OFF(L)

IFAFFECTEDSIDECONTINUESTODECREASE:

3.Boostpumps-BOTHON(L)

IFFUELQUANTITYANDBALANCEPERMIT:

RTB

Engine/Fire

O

OTHERWISE:

LANDASAP

IFRANGEISCRITICAL:

4.Boostpump(leakingside)-ON(L)

5.Boostpump(goodside)-OFF(L)

Fuel

.Afuelimbalancemightbedeveloping.

WHENAFFECTEDSIDEREDUCESTO300LBS:

O

6.Boostpump(goodside)-ON(L)

7.Boostpump(leakingside)-OFF(L)

.Fuelmaystillbeleaking.

.Fuellowpressurelightmayilluminate.

IFFUELQUANTITYPERMITS,FORAPPROACHANDLANDING:

LandingGear

8.Boostpump(anyside)-ON(L)

IFLOWFUELSTATEISCRITICALATANYTIME:

O

9.Boostpumps-BOTHON(L)

FUELLEAK

Miscellaneous

MK-58HUNTER1Jan2011

Fuel-8

Chg-O

FUELPRESSURELOW

Fuellowpressurewarningison.

WARNING1

O

Ifenginesurgesorreactsabnormally,LANDASAP.

NOTE

IfthewarningremainsdespitetheproperRPM,thesensorisfaulty

andengineoperationisnotaffected.

FUELTANKCHANGEOVER

O

◆

Changeoverindicatorshowsintransitorreartank

whenthereartankshouldbeempty,andthe

associatedfuelgaugereadslessthan1300lbsorfront

tankcontentsonly.

WARNINGS2

●

Relyonlyuponthefuelinthefronttankontheaffectedside

O

(maximum770lbs);anincreasingfuelimbalanceisdeveloping.

●

Minimizethefuelimbalancebyexpeditingrecoveryand

obtainingpriority.

●

Adelaycausingsignificantunusableexternalfuelmayrequireas

muchas190ktstomaintainaircraftcontrol,makinglanding

verydifficultifnotimpossible.

Steepdivesmustbeavoided.

O

MK-58HUNTER1Jan2011

Fuel-9

Chg-O

FUELPRESSURELOW

ACTIONS:

1.RPM-MAINTAIN6000-7200UNTILLANDING

W1

O

2.Throttlesettingsandmovements-MINIMIZE

Elec/Hyd/FItControl

3.Boostpumps-VERIFYBOTHON(L)

N

4.Gforces-MAINTAINMORETHANZEROG

REGARDLESSOFSUBSEQUENTLOWFUELPRESSURELIGHTSTATUS:

RTB

Engine/Fire

O

FUELTANKCHANGEOVER

ACTIONS:

1.Fueltankselector-CYCLETHENSETWING(MI)

W2

IFUNSUCCESSFUL:

Fuel

2.Boostpump(affectedside)-OFF(L)

Anincreasingfuelimbalanceisdeveloping.

O

IFFUELQUANTITYANDBALANCEPERMIT:

RTB

WHENAPPROPRIATE:

3.Frontfueltanks-BALANCE

IFFUELQUANTITYPERMITS,FORAPPROACHANDLANDING:

LandingGear

4.Boostpumps-BOTHON(L)

O

FUELPRESSURELOW/FUELTANKCHANGEOVER

Miscellaneous

MK-58HUNTER1Jan2011

Fuel-10

Chg-0

FUELTRANSFERPRESSURE

◆

Transferpressurecrosslineandfuelquantityshows

fronttankcontentsonlyontheassociatedside.

◆

Alowfuellightisonandfronttankquantityis

O

decreasingwhentransfershouldbeoccurring.

WARNINGS

●

Relyonlyuponthefuelinthefronttankontheaffectedside

(maximum770lbs);anincreasingfuelimbalanceisdeveloping.

●

Minimizethefuelimbalancebyexpeditingrecoveryand

obtainingpriority.

O

●

Adelaycausingsignificantunusableexternalfuelmayrequireas

muchas190ktstomaintainaircraftcontrol,makinglanding

verydifficultifnotimpossible.

●

Steepdivesmustbeavoided.

O

O

MK-58HUNTER1Jan2011

Fuel-11

Chg-0

FUELTRANSFERPRESSURE

ACTIONS:

1.Fueltankselector-CYCLETHENSETWING(MI)

W

O

IFUNSUCCESSFUL:

Elec/Hyd/FItControl

2.Boostpumps(oneorboth)-CONFIRMON(L)

WITHATLEASTONEBOOSTPUMPOPERATING

3.Gforces-APPLYPOSITIVEANDNEGATIVEG

IFUNSUCCESSFUL:

4.Boostpump(affectedside)-OFF(L)

.Anincreasingfuelimbalanceisdeveloping.

Engine/Fire

O

IFFUELQUANTITYANDBALANCEPERMIT:

RTB

OTHERWISE:

LANDASAP

WHENAPPROPRIATE:

5.Frontfueltanks-BALANCE

Fuel

IFFUELQUANTITYPERMITS,FORAPPROACHANDLANDING:

6.Boostpumps-BOTHON(L)

O

LandingGear

O

Miscellaneous

FUELTRANSFERPRESSURE

MK-58HUNTER1Jan2011

Fuel-12

Chg-O

FUELVAPORVALVE

◆

Vapourreleasevalvehasfailedclosed.

◆

Lowfuellightcomesonprematurelywhilefuelremains

AND/

inwing,rearorexternaltanksandallotherindications

OR

arenormal.

Normallyonlyfronttankfuelcontentsareindicatedon

thegauge.Affectedfronttankslowlyrefillswhenits

boostpumpisoff.

◆

Fuelmaybeobservedflowingoutthemainbellyfuel

vent.

WARNINGS

●

Thoughallfuelremainsavailable,cyclingtheboostpumponthe

affectedsidetoavoidanemptyfronttankwillcausean

increasingfuelimbalance.

●

Minimizethefuelimbalancebyexpeditingrecoveryand

obtainingpriority.

●

Adelaycausingsignificantunusableexternalfuelmayrequireas

O

muchas190ktstomaintainaircraftcontrol,makinglanding

verydifficultifnotimpossible.

Avoidexcessiveattitudesandlowinternalfuelquantity.

NOTE

Thisissuewillcauseareducedfueltransferratetothefronttankon

theaffectedside,preventingthefronttankfromremainingfullwhile

transfercontinues.

O

MK-58HUNTER1Jan2011

Fuel-13

Chg-0

FUELVAPORVALVE

ACTIONS:

1.Boostpumps-VERIFYBOTHON(L)

W

O

THEN,WITHATLEASTONEBOOSTPUMPOPERATING:

Elec/Hyd/FItControl

2.Gforces-APPLYPOSITIVEANDNEGATIVEG

N

IFFUELQUANTITYANDBALANCEPERMIT:

RTB

OTHERWISE:

LANDASAP

IFAFFECTEDFRONTTANKQUANTITYREDUCESTO300LBS:

O

3.Boostpump(affectedside)-OFF(L)

Engine/Fire

Anincreasingfuelimbalanceisdeveloping.

IFAFFECTEDFRONTTANKQUANTITYINCREASES: