A transmission for a gas turbine engine, the transmission comprising: an input shaft configured to rotationally communicate with the gas turbine engine; an output shaft configured to rotationally communicate with an aircraft accessory; and a gear system connected between the input shaft and the output shaft, characterized by the gear system including: a first epicyclical gear set and a second epicyclical gear set that are axially adjacent to each other, wherein the first epicyclic gear set includes a first ring gear, a first sun gear, a first planetary gear set, and a first planetary carrier, and wherein the first planetary carrier is connected to the first planetary gear set, wherein the second gear set includes a second ring gear, a second sun gear, a second planetary gear set, and a second planetary carrier, and wherein the second planetary carrier is connected to the second planetary gear set, wherein the input shaft is coupled to the first ring gear and the second planetary carrier, and the second ring gear is coupled to the first planetary carrier; a plurality of clutches that are axially aligned and radially offset, the plurality of clutches configured to engage in parallel the output shaft and shift the transmission via engaging the first epicyclical gear set and the second epicyclical gear set to generate a plurality gear speeds; and a plurality of pistons that are configured to engage the respective plurality of clutches, the plurality of pistons being hydraulically controlled and adapted to receive fluid from a respective plurality of ports in the output shaft. an input shaft configured to rotationally communicate with the gas turbine engine; an output shaft configured to rotationally communicate with an aircraft accessory; and a gear system connected between the input shaft and the output shaft, characterized by the gear system including: a first epicyclical gear set and a second epicyclical gear set that are axially adjacent to each other, wherein the first epicyclic gear set includes a first ring gear, a first sun gear, a first planetary gear set, and a first planetary carrier, and wherein the first planetary carrier is connected to the first planetary gear set, wherein the second gear set includes a second ring gear, a second sun gear, a second planetary gear set, and a second planetary carrier, and wherein the second planetary carrier is connected to the second planetary gear set, wherein the input shaft is coupled to the first ring gear and the second planetary carrier, and the second ring gear is coupled to the first planetary carrier; a plurality of clutches that are axially aligned and radially offset, the plurality of clutches configured to engage in parallel the output shaft and shift the transmission via engaging the first epicyclical gear set and the second epicyclical gear set to generate a plurality gear speeds; and a plurality of pistons that are configured to engage the respective plurality of clutches, the plurality of pistons being hydraulically controlled and adapted to receive fluid from a respective plurality of ports in the output shaft. a first epicyclical gear set and a second epicyclical gear set that are axially adjacent to each other, wherein the first epicyclic gear set includes a first ring gear, a first sun gear, a first planetary gear set, and a first planetary carrier, and wherein the first planetary carrier is connected to the first planetary gear set, wherein the second gear set includes a second ring gear, a second sun gear, a second planetary gear set, and a second planetary carrier, and wherein the second planetary carrier is connected to the second planetary gear set, wherein the input shaft is coupled to the first ring gear and the second planetary carrier, and the second ring gear is coupled to the first planetary carrier; a plurality of clutches that are axially aligned and radially offset, the plurality of clutches configured to engage in parallel the output shaft and shift the transmission via engaging the first epicyclical gear set and the second epicyclical gear set to generate a plurality gear speeds; and a plurality of pistons that are configured to engage the respective plurality of clutches, the plurality of pistons being hydraulically controlled and adapted to receive fluid from a respective plurality of ports in the output shaft.