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Nav: Thun Echallens

Navigation: Thun Echallens

Airplane: HB-TDR (C182S)

Planning speed: 120kts (climb: 90kts)

Variation: 2°E

Mass

Front: 160 kg
Rear: 150 kg
Luggage: 5 kg

Waypoint	TC	MC	Dist.	Altitude	EET	Wind		MH	GS	EET	ETO	ATO	Notes
Waypoint	[°]	[°]	[NM]	[ft]	[min]	[°]	[kts]	[°]	[kts]	[min]	ETO	ATO	Notes
LSGE
Stockhorn Spiez	106	104	28	8000	©19+5					©+5			FRI
Zweisimmen	239	237	17		9
Montreux	249	247	21		11
Echallens	320	318	18		9
Romont	089	087	12	4000	6
LSGE		VAC	8		4+5					+5
			104		68
Alternate
LSGT		VAC	10		5+5					+5
			10		10

Climb: don't forget speed is lower!

TOD:

120kts (2NM/min) 500 ft/min (children <12y: 300)
1NM attitude change
Speed decreasing 2NM
Approach check 2NM if needed

Compute TH with wind:

α1 = (360 + TC - WH) % 360 and sign=1
if α1 > 180: α1 = (360 + WH - TC) % 360 and sign=-1
α2 = arcsin(WS/TS sin(α1))
α3 = 180 - α1 - α2
TH = TC + sign α2
GS = sin(α3) / sin(α1) TS

Fuel per hour: 13 USG/h

	Theory		Realm
	time	fuel [USG]	time	fuel [USG]
Trip:	1:08	15
Alternate:	0:10	3
Reserve:	0:45	10	0:45
Unusable:		4
Minimum fuel:		32
Extra +5%:		2
Ramp fuel:		34

	Mass	Arm	Moment
	[lbs]	[in]	[in lbs]
Empty	1975		75174
Front	352	37	13024
Rear	330	74	24420
Luggage	11	116	1276
Unusable fuel	3	46.5	139.5
0-fuel		min: 41	114033.5
	2671	42.693
		max: 46
Fuel	198	46.5	9207
Take-off		min: 41	123240.5
	2869	42.956
	max:2950	max: 46

1 USG = 3.785 liters

1 ImpG = 4.55 liters

1 l AVGAS = 0.72 kg

1 USG AVGAS = 6 lbs

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