| Hangar and Classroom Rent |
Fixed |
Include $3,500 per month before counting any students, flights, or course starts. |
Spreading rent only across filled seats and hiding idle capacity. |
| Professional Liability Insurance |
Fixed |
Include $2,200 per month as a required operating charge for the planning range. |
Linking insurance to enrollment when coverage is needed before students fly. |
| Core Instruction and Enrollment Payroll |
Fixed |
Include the chief flight instructor at $85,000 per year, Year 1 assistant instructor at $55,000, and 0.5 FTE enrollment manager at $24,000. |
Treating scheduled instructor coverage as variable after students finish paying. |
| Equipment Maintenance and Inspections |
Variable |
Model at 5% of first-year revenue, so the charge rises with student volume and gear use. |
Leaving out gear wear when higher occupancy adds training cycles. |
| United States Hang Gliding and Paragliding Association Student Registration Fees |
Variable |
Model at 3% of first-year revenue because the fee load tracks student activity. |
Putting certification-related fees in overhead instead of course margin. |
| Digital Marketing and Lead Acquisition |
Variable |
Model at 8% of first-year revenue while the school is buying leads to fill classes. |
Assuming referrals fill open seats before paid demand is proven. |
| Field Transportation and Fuel |
Variable |
Model at 4% of first-year revenue because more flying days and students add shuttle trips. |
Using one monthly fuel estimate even as billable days rise. |
| Assistant Instructor Expansion and Equipment Technician |
Semi-fixed |
Add staffing in steps as capacity grows: assistant instructors rise from 1.0 FTE in Year 1 to 5.0 FTE in Year 5, and the equipment technician starts after launch. |
Modeling added staff as perfectly variable instead of hired before full utilization. |