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The pressurised EMBRAER EMB-121 Xingu featured a reduced-span version of the EMB-110P wing, a fuselage of circular cross-section similar to that of the Brasilia, and followed the same general configuration with twin turboprop engines and retractable tricycle landing gear, but differed by having a cantilever T-tail.

EMBRAER EMB-121 Xingu Article

The first pressurized twin turboprop general purpose transport to be built in Brazil, it had accommodation for a crew of two and nine passengers.
The prototype Xingu (PP ZXI) flew for the first time on 10 October 1976, followed by the first production aircraft just over six months later.
The Xingu has PT6A 28 engines, six psi pressurisation, an anticipated cruise of 265 knots at 12,000 feet, a five to nine place cabin and max gross of 11,000 pounds.
The original version, designated EMB-121A Xingu I, was powered by two Pratt & Whitney Canada PT6A-28 turboprop engines. From this was developed the EMB-121A1 Xingu II with 559kW PT6A-135 turboprops, these being available also as retrofits for the Xingu I. Thirty-two earlier machines were later reworked to this standard.
A prototype of the EMB-121V Xingu III was flown. It was generally similar to its predecessors except that it had the fuselage lengthened by 0.89m, and was powered by two 634kW PT6A-42 engines. Seating the same number of passengers but in greater comfort, the Xingu III featured an optional ‘club’ layout for seven passengers, with folding tables and a galley.
A total of 111 were built, including six for use by the special transport group of the Brazilian air force under the designation VU-9 as a VIP transport. Other users include the French navy and air force with 41 aircraft as multi-engined trainers and liaison aircraft, and five others serve with the SABENA pilot training school.
Production of the Xingu 121 ended in 1986.

EMB-121A Xingu I
Engines: 2 x Pratt & Whitney Aircraft of Canada PT6A-28 turboprops, 507kW
Max take-off weight; 5670 kg / 12500 lb
Loaded weight; 3620 kg / 7981 lb
Wingspan; 14.45 m / 47 ft 5 in
Length; 12.25 m / 40 ft 2 in
Height; 4.74 m / 15 ft 7 in
Wing area; 27.5 sq.m / 296.01 sq ft
Max. speed; 450 km/h / 280 mph
Cruise speed; 365 km/h / 227 mph
Ceiling; 7925 m / 26000 ft
Range; 2270 km / 1411 miles

EMB-121 Xingu II
Engine: 2 x P&WAC PT6A.
Installed pwr: 1120 kW.
Span: 14.4 m.
Length: 12.2 m.
Wing area: 27.5 sq.m.
Empty wt: 3710 kg.
MTOW: 5670 kg.
Payload: 780 kg.
Cruise speed: 465 kph.
Initial ROC: 550 m / min.
Ceiling: 8540 m.
T/O run: 580 m.
Ldg run: 560 m.
Fuel internal: 1720 lt.
Range/payload: 1630 km with 780 kg.
Capacity: 7 pax.

EMB-121V Xingu III
Engine: 2 x 634kW PT6A-42
Length: 13.09 m.
Span: 14.4 m.
Wing area: 27.5 sq.m.
Capacity: 7 pax.