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Assumptions for Puget Sound Airvan - 40 mile trips
| Constants | Trip Results | Daily Cost Per Vehicle | Total Costs | % of total | |||
| MPH Cruise | 220 | Seats in vehicle | 6 | Straight line Amortize | ($65K/yr) | $217 | 9% |
| Trip in statute miles | 40 | Available pass. seats | 5 | Maint. daily when flying | ($38K/yr) | $126 | 5% |
| Cruising Altitude - feet | 5,000 | % time pilot is needed | 100% | Advertising daily (3X pilot salary) |
$120 | 5% | |
| Feet/min. during climb | 5,000 | Avg. # pass. round trip | 2.75 | Insurance daily | $.003 *RPM | $16 | 1% |
| Horizontal speed during climb |
60% | Minutes of climb | 1.00 | Overhead, facilities, cleaning (4X pilot) | $160 | 6% | |
| Possible hrs/day | 14 | Gal/hr during climb | 77 | Pilot hr/ Skycar per day | 14 hr | $560 | 22% |
| Flight hrs/day | 12.6 | Gal burned for 1 climb | 1.3G | Staff (1 per pass hr.) | 14 hr | $280 | 11% |
| Hrs. waiting /day | 2 | Pass miles /round trip | 220 | Landing $ | $4/pass | $274 | 11% |
| Days of full use per year | 300 | MPH during climb, descent | 132 | Spare vehicle % | 40% | $87 | 3% |
| % seats filled outbound | 80% | Miles for climb 1 way | 2.2m | Fuel used during day | 225 gal | $338 | 13% |
| % seats filled on return | 30% | Miles of cruise 1 way | 36m | Gnd. Coord/hr (pilot/2) | $20 | $252 | 10% |
| Fuel $/gallon | $1.50 | Gal/hr for cruise | 20.0 | R&D adder (func. of pass. miles) | $0.01 * RPM |
$55 | 2% |
| Maint, Repair $/flight hr |
$10 | Cruise hrs. round trip | 0.32 | Nightly parking (inc. spare) | $40 | $56 | 2% |
| Acq. cost 1 veh. $,000 | $400k | Gallons cruise round trip |
6.47 | TOTAL DAILY COST | $2,541 | 100% | |
| Years of amortization | 10 | Gallons total round trip | 9.04 | Daily Revenue Paying Miles (RPM) | 5,476 | ||
| Annual Interest on $ | 10% | MPG for trip | 8.85 | Avail. SEAT Miles per day | 9,957 | ||
| Pilot salary | $40 | MPG per passenger | 24 | Cost per pass. mile | 46.4 | ||
| Staff Salary | $20 | Hrs. for round trip flight | 0.51 | Ticket price per mile | 20% profit | 55.7 | |
| Mins. between flights | 3m | MPH avg. round trip | 158 | Annual profit per veh. | $152K | ||
| Descent time =3*climb | 3m | Round trips per day | 24.89 | (Pass miles per year) | 1,643K | ||
| Hours for 1 way trip | 0.25 | Ticket price for trip | $22 | ||||
| Fuel & Maint. cost/pass mile | 8.5 |
Last Updated on 8/21/99