www.khamsin.org - Aircraft & scenery for flight simulator X-Plane

Boeing B-17G Flying Fortress V1.3 for X-Plane V10.25
Flight manual

Checklist

CHECK-LISTS FOR

[IMPORTANT] This plane is designed to be started from a "Cold & Dark" configuration. Systems are not configured to work properly if the plane is loaded with engines running.

[IMPORTANT]Checklist done to B.3.3 MUST be executed in 3d view with the mouse, NOT with shortcuts !

A - PREFLIGHT

A.1 - IMMOBILIZATION OF B17G

  • Push the brakes primer
  • Set brake primer (pull back 25% for grass, 50% for hard surfaces)
  • Park Brake ON (handle up)
  • Lock the tail wheel (only unlock when ready to taxi)
  • Open cowl flaps
  • Check trims : ailerons, rudder, elevators at neutral position
  • Check payload and fuel (menu Aircraft/Payload & Fuel) - Wing tanks (1 & 3) must be 100% filled before using central tank (2) - Consider 800lb/100nm or 1350lb/hr
  • Set fuel cross-feeds to NONE
  • Set tank selector to NONE

A.2 - CALIBRATE PEDESTAL

  • Toggle Manifold Pressure Selector (MPS) all the way round
  • Set MPS to 1
  • Toggle torque limiter all the way round from MAX (pushed forward) to none (pulled all the way aft)
  • Set torque limiter to none
  • Toggle all 4 waste-gates from on (pushed in) to off (pulled out)
  • Set all 4 waste-gate to ON (pushed in)
  • Toggle Prop speed handles all the way up and down
  • Set prop speed handle to high RPM
  • Toggle throttles from min to max
  • Cut off throttles
  • Set magnetos to OFF
  • Set the LOCK MIXTURE AFT (auto system ON)

B - SETTING SYSTEMS TO “READY”

B.1 - TURNING ELECTRICALS ON

  • Turn on Battery 1
  • Turn on inverters 1 & 2
  • Turn NAV lights ON
  • Turn left wing light ON
  • Turn on the radio stack
  • Set NAV1 frequency as needed - PDI should come to life
  • Set COM1 frequency
  • Set transponder to STBY mode
  • Turn IDI ON
  • Acknowledge weather
  • Turn IDI OFF - Short alarm must ring
  • Set IDI HDG
  • Set IDI FL
  • Set IDI Bank to 5
  • Contact tower to file flight plan
  • Contact tower to pick up flight plan
  • Set COM1 frequency
  • Set the transponder code
  • Contact tower for taxi clearance

B.2 - START-UP SEQUENCE

  • Set MPS to 8
  • Set tank selector to ALL
  • Turn on batteries 2 & 3
B.2.1 - STARTING THE ENGINES

IF RESTARTING IN FLIGHT : feather the propeller

IF RESTARTING IN FLIGHT : turn generator off

  • advised starting order : 1 2 3 4
  • Unfeather propeller ONLY IF ON GROUND
  • Turn fuel pump ON - Fuel pressure -> 15 PSI
  • Turn fuel valve ON
  • turn on magnetos to BOTH
  • Throttle 1/3 aft
  • Engage starter - 15 seconds max - ONLY IF ON GROUND
  • IF RESTARTING IN FLIGHT : set 2500 rpm and unfeather propeller
B.2.2 - WHEN ENGINE IS RUNNING
  • Turn the engine's generator ON
  • Check electrical power is actually delivered
  • Set throttle for Manifold Pressure 25
  • Engine Temp should be 40 degrees C or greater at engine idle
  • Redo B.2.1 & B.2.2 for other 3 engines

B.3 - ENGINES TESTING

B.3.1 - PREPARATION
  • Check PROP pitch to high RPM
B.3.2 - TESTING
  • advised order : 1 2 3 4
  • Test both magnetos (left and right, per engine) : loss of 150 rpm max when cut off acceptable
  • Set magnetos to both
  • set MP42
  • FEATHER the prop : engine should NOT stall and keep > 720rpm and < 950rpm
  • Redo B.3.2. for engines 2, 3 and 4.
B.3.3 - SETTING UP TAKE-OFF CONFIGURATION (ENGINE RUN-UP)
  • Unfeather all propellers
  • Check 4 engines RPM < 2400 rpm
  • Reset all engines to : IDLE
  • Contact Tower for altimeter setting
  • Set proper barometric pressure
  • Fix vacuum compass heading
  • Check all instruments panel readings for any out of range condition

C - TAKE-OFF

C.1 - TAXIING

  • Turn on Beacon
  • unlock tail wheel
  • unlock park brake
  • Do not exceed 20mph
  • Keep manifold pressure below 15
  • use only external engines with differential power to turn in combination with rudder - DO NOT USE ailerons !
  • if you don't have a multi throttle joystick, please, see faq.
  • Keep stick pulled
  • Parkbrake on
  • Contact tower for take-off clearance
  • Confirm tail wheel is relocked after lined up on runway

C.2 - TAKE-OFF

C.2.1 - COURSE
  • Flaps 1/5 (45000lb) 1/2 (65000lb)
  • Check all 4 waste-gates ON
  • Stick pulled 1/3 : remember – this is a 3-point take-off so no conventional rotation!
  • Reset timer if needed. Start timer
  • Park Brake to OFF
  • Set manifold pressure 46
  • Engines protected from wind : -100rpm / 10kt PA should be > 42 inches of mercury
  • While IAS > 30kt = unlock tail wheel
  • Spontaneous 3-points take-off at or above 90mph
C.2.2 - INITIAL CLIMB
  • Park Brake ON
  • Gear UP
  • Maintain 500ft/mn max
  • 105mph : flaps UP
  • Maintain 500ft/mn max > 130mph
  • Maintain 130mph > 1500ft above ground

D - CLIMB

  • Turn IDI ON : Master, Auto, Servos
  • Set manifold pressure 42
  • Set prop speed 2400 rpm
  • Turn off left landing light
  • When wings are levelled, turn fuel pumps OFF
  • When reaching 10000ft, set barometric pressure to 2992
  • alt.> 17000ft(+/-2000ft), set manifold pressure selector to 8.5
  • Maintain vertical speed between 500ft/mn and 1000ft/mn
  • Close cowl flaps
  • To reach very high altitude, refer to manual : Engine management

E - CRUISE

  • Turn off beacon
  • Ceiling : 50000lb = 38000ft (75mn from sea level)
  • Ceiling : 65000lb = 32000ft (50mn from sea level)
  • When IDI alarm rings, Target FL within 300ft = reduce throttle to obtain +200ft/min
  • Check IDI has locked onto target FL
  • When the plane levels off, adapt engines settings.
  • Calculate heading correction
  • Turn Auto IDI OFF
  • IDI : set corrected heading
  • IDI : set BANK according to weather and payload
  • IDI : turn Auto ON
  • Maintain speed (20000ft: max 215mph) (38350ft: max 125mph)

F - DESCENT

  • NB : Begin Check-List F at least 60mn before next waypoint
  • Turn on beacon
  • Turn fuel pumps ON
  • Turn anti-ice on (all systems)
  • Turn pitot heat on
  • Mixture lock AFT to on
  • IDI : SERVOS off
  • IDI : auto off
  • Dial new low flight level
  • IDI : Master off
  • Slow down 150 mph
  • IDI : Master on
  • IDI : Auto on
  • IDI servos on
  • All 4 waste-gates to on
  • Torque limiter to none
  • Open cowl flaps
  • MPS set to 7
  • Set rpm to 2500
  • RPM lock down to off
  • Cut throttles
  • Control descent rate with throttles
  • 150mph max, -1500ft/min max
  • At 10000ft, control tower for altimeter setting

G - LANDING

  • Fuel pumps ON
  • Waste-gates ON
  • RPM lever lock on (up)
  • Set prop speed 2500rpm
  • Set 125 mph
  • Torque limiter set to 1/5
  • Brake Primer set according to landing strip surface
  • Landing lights ON if needed
  • Navigation Lights ON
  • Manifold Pressure between 32 and 38 inches of mercury
  • IDI master off
  • IAS below 147mph
  • Flaps 1/2
  • IAS below 105
  • Unlock Park Brake
  • Gear down
  • Flaps all down
  • Engine protected from wind : -150rpm
  • Over the runway end : engines to idle + wind difference
  • !!! Contact 3-Points !!! (nose up slightly)
  • Plane on ground and lined up : tail wheel lock
  • 60mph = stick tail to ground
  • Stall inboard engines - Turn off fuel valves 2 & 3
  • Feather inboard engines
  • 50mph : regular braking

H - EMERGENCY : LOSS OF ONE ENGINE

H.1 - WITH NO FIRE

  • IMMEDIATELY feather the prop
  • IDI activate Emergency
  • Set manifold pressure 46 - set rpm 2500
  • Stabilise with trims (rudder first)
  • ATTEMPT TO RESTART (B.2.1) ; IF ATTEMPT FAILS =
  • SHUT THE ENGINE DOWN AS IF IT WORKED NOMINALLY
  • Mixture : AUTO system locked FORWARD (disengaged)
  • Turn fuel pump to OFF
  • Throttle full aft
  • Feather the prop
  • Mixture : full lean
  • Magnetos : OFF
  • Turn generator OFF
  • Push the torque limiter to +1/10 position
  • Transfer fuel from affected side to central tank
  • !!! DO NOT RE-ENGAGE AUTO systems !!!

H.2 - WITH ENGINE FIRE

  • !!! DO NOT USE EXTINGUISHER NOW!!!
  • !!! DO NOT ATTEMPT B.2.1 !!!
  • !!! FUEL PUMP MUST STAY ON !!!
  • IMMEDIATELY feather the prop
  • IDI activate Emergency
  • Set manifold pressure 46 - set rpm 2500
  • Stabilise with trims (rudder first)
  • Turn generator OFF
  • Throttle full aft for faulty engine
  • Mixture : AUTO system locked FORWARD (disengaged)
  • Mixture : full lean
  • Magnetos : OFF
  • !!! TURN ON EXTINGUISHER NOW !!!
  • Transfer fuel from affected wing TO the other wing: Leave the transfer valve set in the FROM position on the damaged wing in order to keep the tank depressurized
  • ASAP, divert to land
  • Begin CHECK-LIST I

I - EMERGENCY LANDING

  • If possible : empty tank 2 (belly tank)
  • Mixture : AUTO system locked FORWARD (disengaged)
  • Set rpm 2500
  • RPM : AUTO system locked DOWN (disengaged)
  • All payload jettisoned
  • If landing on rough terrain : gear UP, flaps all down
  • If landing on runway : Gears DOWN, flaps 1/2
  • If landing gear out-of-order : GEAR UP
  • 5 seconds to impact : feather props
  • 5 seconds to impact : all mixtures full lean

www.khamsin.org - 2014