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Captains,
I spent this weekend testing the wonderfull 707, even flying her in an online-event on the IVAO network from Munich to Frankfurt. I collected some usefull information on flying the old lady from various sources (CS manual, AVSIM, etc.) As a result I would like to share some of the expierience with all of you.
Please note: these data are not from an official source but a destillation of my personal opinion, public information and so on. Please feel free to ignore it and find a better solution-it's just my personal way to treat this old lady kindly.
Boeing 707-320 speed chart
ISA, standard day, all speeds in KIAS
Acft weight (lbs.) Tresh. speed Stall speed flaps
50 40 25 14 up Climb speed
120 111 85 86 87 91 102 170
130 115 89 90 91 95 106 180
140 119 92 94 95 99 110 185
150 123 95 97 98 103 114 195
160 128 99 101 102 106 118 200
170 133 103 104 105 110 121 205
180 136 105 107 108 112 125 215
190 139 107 109 111 115 128 220
200 143 110 112 113 118 131 225
flaps schedule and speed bug settings for approach:
Vfl50=Vth = treshold speed (see chart above), approximately Vstall50*1,3
Correction: headwind component+1/2 gust component, in total max. 20 knots
Vapp = Vth + 5 + wind/gust correction
Flaps 50 40 25 14 0
Speed Vapp Vapp+10 ...+20 ...+30 ...+40
Bug 1: Vapp+50, Bug 2 Vapp+20, Bug 3 Vapp
Precision-(ILS-) approach:
-LOC intercept: max. Vapp+50
-2 dots below G/S Vapp+20, Flap 25
-1 dot below G/S gear down (for high speed approaches when passing 1500 ft AFE)
-1000 ft AFE Vapp, Flap 50
non-precision-approach, visual, circling:
-reach final fix with Vapp+20, flap 25, gear down
-reach 1000 ft AFE with Vapp, flap full, stabilized, landing checklist complete
missed approach:
-set thrust, at positive rate gear up, flaps 25, climb at Vapp+20, when clear of obstacles or passing 800 ft. AFE flap 14, accelleration to establish climb speed, fully retract flaps
Happy landings
Stefan
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speed settings (Read 2998 times)
