| 词条 | Neiva Universal | ||||||||||||||||
| 释义 |
The Neiva N621 Universal is a Brazilian propeller-driven basic trainer and ground attack aircraft manufactured by Indústria Aeronáutica Neiva. It is a cantilever, low-wing monoplane of all-metal construction, with retractable undercarriage and side-by-side seating. Design and developmentThe Universal was designed in 1963 as a new primary trainer for the Brazilian Air Force, as a replacement for the T-6 Texan and Fokker S-11/S-12 types then in use. The prototype (Registration PP-ZTW) first flew on 29 April 1966. The Brazilian Air Force ordered 150 aircraft as the T-25 Universal, and increased this order in 1978 by an additional 28 aircraft. A further developed version (designated the YT-25B Universal II) first flew on 22 October 1978 but was not put into production. The Universal was also adopted as a counter-insurgency aircraft. It was later replaced by the Tucano in both the advanced training and attack roles, but it is still used as a primary and basic trainer at the Academia da Força Aérea Brasileira (Brazilian Air Force Academy). Ten aircraft were ordered by the Chilean Army. These aircraft were later transferred to the Chilean Air Force. In 1983 five FaCH T-25s were donated to the Paraguayan Air Force. In 2005, the Brazilian Air Force donated six T-25s to the Fuerza Aérea Paraguaya and another six to the Fuerza Aérea Boliviana. Operators
Specifications (Universal){{aircraft specifications/switch|plane or copter?=plane |jet or prop?=prop |ref=Jane's Aircraft Recognition Guide [1] |crew=2: student, instructor |length main=28 ft 9 in |length alt=8.76 m |span main=36 ft 1 in |span alt=11.00 m |height main=9 ft 9 in |height alt=2.97 m |area main= 185.15 ft² |area alt= 17.20 m² |empty weight main=2,535 lb |empty weight alt=1,150 kg |loaded weight main= |loaded weight alt= |useful load main= |useful load alt= |max takeoff weight main=3,747 lb |max takeoff weight alt=1,700 kg |engine (prop)=Lycoming IO-540 |type of prop= six-cylinder horizontally-opposed air-cooled piston engine |number of props=1 |power main=224 kW |power alt=300 hp |max speed main=172 mph, 150kt |max speed alt=277 km/h |max speed more= |never exceed speed main= |never exceed speed alt= |range main=621 nm |range alt=1,150 km |ceiling main= |ceiling alt= |climb rate main= |climb rate alt= |loading main= |loading alt= |thrust/weight= |armament=two hardpoints; 7.62 mm machine gun pods; bombs; rockets}} References1. ^{{cite book|title=Jane's Aircraft Recognition Guide|last=Rendall|first=David|pages=505|year=1995|isbn=0-00-4709802|publisher=HarperCollinsPublishers|location=Glasgow, UK}} External links{{commons category|Neiva aircraft}}
4 : Neiva aircraft|Brazilian military trainer aircraft 1960–1969|Low-wing aircraft|Single-engined tractor aircraft |
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