The doors come off the aircraft, so nothing sits between you and the city — not for a moment of it. That changes the preparation, not the flying. Be there at least an hour early: latecomers can be turned away, because the safety briefing and the harness take that time. You are strapped to the airframe and given a tether that holds your phone to the harness. Closed shoes, nothing loose — anything that can fall out will. Seats are assigned by weight and balance, so you do not pick your side.
Twenty minutes gives you the western beaches — Barra da Tijuca, Joatinga, São Conrado, Leblon — then the Rodrigo de Freitas lagoon, the Jockey Club, the botanical garden and Christ the Redeemer. Thirty minutes adds Arpoador, the rock between Ipanema and Copacabana. Forty adds the Maracanã stadium, and it is the only doors-off length that leaves the coast behind. Christ the Redeemer is on all three.
One operator builds the whole flight around the pictures: thirty-five minutes with two photo pauses — the seller calls them “stops” — where you may hang your feet outside. One is above Pedra do Arpoador between Ipanema and Copacabana, the other at Christ the Redeemer with Sugarloaf behind it. The legs listed on that product add up to seventeen minutes of flying; the rest of the advertised time is those two pauses. That is the flight to book if the photograph matters more to you than the kilometres. Everything else in this category is an ordinary circuit with the doors removed.