downloadable computer application software and downloadable software for flight operations, namely, flight requests, flight scheduling, flight planning, aircraft weight and balance calculations, cargo tracking, aircraft performance calculations, airstrip management, pilot rostering, notice to airmen (NOTAM) management, aircraft hour tracking, passenger and customer invoicing, text messaging

downloadable computer application software and downloadable software for flight operations, namely, flight requests, flight scheduling, flight planning, aircraft weight and balance calculations, cargo tracking, aircraft performance calculations, airstrip management, pilot rostering, notice to airmen (NOTAM) management, aircraft hour tracking, passenger and customer invoicing, text messaging