# Microleve ML 450

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Brazilian ultralight aircraft

ML 450 General information Type Microlight aircraft National origin Brazil Manufacturer Microleve Status Production completed Number built 250 (1998)

The **Microleve ML 450** (sometimes **ML450**) is a Brazilian [microlight aircraft](/source/Microlight_aircraft) that was designed and produced by [Microleve](/source/Microleve) of [Rio de Janeiro](/source/Rio_de_Janeiro). When it was available the aircraft was supplied as a complete ready-to-fly-aircraft or as a kit for amateur construction.[1]

## Design and development

The aircraft features a [strut-braced](/source/Strut-braced) [parasol wing](/source/Parasol_wing), a two-seats-in-[side-by-side configuration](/source/Side-by-side_configuration) open or optionally enclosed cockpit, [cruciform tail](/source/Cruciform_tail), fixed [tricycle landing gear](/source/Tricycle_landing_gear) with [wheel pants](/source/Wheel_pants) and a small tail skid, and a single engine in [pusher configuration](/source/Pusher_configuration).[1]

The aircraft is made from [aluminum](/source/Aluminum) tubing and composites, with its flying surfaces covered in [doped](/source/Aircraft_dope) [aircraft fabric](/source/Aircraft_fabric). Its 10.30 m (33.8 ft) span wing mounts [flaps](/source/Flap_(aircraft)) and has a wing area of 16.48 m2 (177.4 sq ft). The wing is supported by "V" struts, [jury struts](/source/Jury_struts) and [cabane struts](/source/Cabane_strut). The acceptable power range is 50 to 74 hp (37 to 55 kW) and the standard engines used are the 50 hp (37 kW) [Rotax 503](/source/Rotax_503), 64 hp (48 kW) [Rotax 582](/source/Rotax_582) or the 74 hp (55 kW) [Rotax 618](/source/Rotax_618) powerplant.[1]

The aircraft has a typical empty weight of 220 kg (490 lb) and a gross weight of 445 kg (981 lb), giving a useful load of 225 kg (496 lb). With full fuel of 64 litres (14 imp gal; 17 US gal) the payload for the pilot, passenger and baggage is 179 kg (395 lb).[1]

The manufacturer estimated the construction time from the supplied kit as 250 hours.[1]

## Operational history

By 1998 the company reported that 250 aircraft were completed and flying.[1]

Even though the aircraft was marketed in the United States, by January 2014 no examples were [registered](/source/Aircraft_registration) with the [Federal Aviation Administration](/source/Federal_Aviation_Administration).[2]

## Specifications (ML 450)

*Data from* AeroCrafter[1]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Length:** 6.84 m (22.44 ft)

- **Wingspan:** 10.30 m (33.80 ft)

- **Wing area:** 16.48 m2 (177.4 sq ft)

- **Empty weight:** 220 kg (484 lb)

- **Gross weight:** 980 kg (2,161 lb)

- **Fuel capacity:** 64 litres (14 imp gal; 17 US gal)

- **Powerplant:** 1 × [Rotax 618](/source/Rotax_618) twin cylinder, liquid-cooled, [two stroke](/source/Two_stroke) [aircraft engine](/source/Aircraft_engine), 55 kW (74 hp)

- **Propellers:** 3-bladed composite, ground adjustable

**Performance**

- **Maximum speed:** 160 km/h (100 mph, 87 kn)

- **Cruise speed:** 110 km/h (70 mph, 61 kn)

- **Stall speed:** 32 km/h (20 mph, 17 kn)

- **Range:** 357 km (222 mi, 193 nmi)

- **Service ceiling:** 3,000 m (10,000 ft)

- **Rate of climb:** 5.1 m/s (1,000 ft/min)

## References

1. ^ [***a***](#cite_ref-Aerocrafter_1-0) [***b***](#cite_ref-Aerocrafter_1-1) [***c***](#cite_ref-Aerocrafter_1-2) [***d***](#cite_ref-Aerocrafter_1-3) [***e***](#cite_ref-Aerocrafter_1-4) [***f***](#cite_ref-Aerocrafter_1-5) [***g***](#cite_ref-Aerocrafter_1-6) Purdy, Don: *AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition*, page 207. BAI Communications, 15 July 1998. [ISBN](/source/ISBN_(identifier)) [0-9636409-4-1](https://en.wikipedia.org/wiki/Special:BookSources/0-9636409-4-1)

1. **[^](#cite_ref-FAAReg_2-0)** [Federal Aviation Administration](/source/Federal_Aviation_Administration) (15 January 2014). ["Make / Model Inquiry Results"](http://registry.faa.gov/aircraftinquiry/AcftRef_Results.aspx?Mfrtxt=&Modeltxt=ML+450&PageNo=1). Retrieved 15 January 2014.

## External links

- [Photo of an ML 450 in flight](http://www.oocities.org/ultralight/imagens/ml450.jpg)

v t e Microleve Ultralight aircraft Corsario ML 450 ML 500 Echo 2000RG P92 Echo P96 Golf

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Adapted from the Wikipedia article [Microleve ML 450](https://en.wikipedia.org/wiki/Microleve_ML_450) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Microleve_ML_450?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.