me features may come as add-ons or raise the cost beyond base charter price: VIP amenities: Leather interiors, refreshments, possibly WiFi, premium sound system, luxury trims. Door-off operations or photo flights. External load / sling load capability. Night flight capability (if flown under night/VFR or IFR). Landing fees, airport/helipad fees, overflight charges, permits for some regions. Crew waiting time, repositioning flights, fuel surcharges depending on fuel price.