The Sky Atis is a Czech single-place paraglider, designed and produced by Sky Paragliders of Frýdlant nad Ostravicí. It was introduced in 2003 and remained in production in 2016 as the Atis 4.[1]

Atis
Role Paraglider
National origin Czech Republic
Manufacturer Sky Paragliders
Introduction 2003
Status In production
Produced 2003-present

Design and developmentEdit

The Atis was designed as a beginner to intermediate glider.[1]

The design has progressed through four generations of models, the Atis, Atis 2, 3 and 4, each improving on the last. The models are each named for their relative size.[1][2]

VariantsEdit

AtisEdit

Atis XS
Extra small-sized model for lighter pilots. Its 10.88 m (35.7 ft) span wing has a wing area of 23.0 m2 (248 sq ft), 53 cells and the aspect ratio is 5.1:1. The optimal pilot weight is 55 kg (121 lb). The glider model is DHV 1-2 certified.[1]
Atis S
Small-sized model for lighter pilots. Its 11.34 m (37.2 ft) span wing has a wing area of 25.2 m2 (271 sq ft), 53 cells and the aspect ratio is 5.1:1. The optimal pilot weight is 65 kg (143 lb). The glider model is DHV 1-2 certified.[1]
Atis M
Mid-sized model for medium-weight pilots. Its 11.82 m (38.8 ft) span wing has a wing area of 27.4 m2 (295 sq ft), 53 cells and the aspect ratio is 5.1:1. The optimal pilot weight is 80 kg (176 lb). The glider model is DHV 1-2 certified.[1]

Atis 4Edit

Atis 4 S
Small-sized model for lighter pilots. Its 10.94 m (35.9 ft) span wing has a wing area of 23.02 m2 (247.8 sq ft), 53 cells and the aspect ratio is 5.2:1. The pilot weight range is 60 to 80 kg (132 to 176 lb) and glider empty weight is 4.60 kg (10 lb). The glider model is EN B/LTF B certified.[2]
Atis 4 M
Mid-sized model for medium-weight pilots. Its 11.37 m (37.3 ft) span wing has a wing area of 24.86 m2 (267.6 sq ft), 53 cells and the aspect ratio is 5.2:1. The pilot weight range is 73 to 95 kg (161 to 209 lb) and glider empty weight is 4.80 kg (11 lb). The glider model is EN B/LTF B certified.[2]
Atis 4 L
Large-sized model for heavier pilots. Its 11.76 m (38.6 ft) span wing has a wing area of 26.60 m2 (286.3 sq ft), 53 cells and the aspect ratio is 5.2:1. The pilot weight range is 87 to 112 kg (192 to 247 lb) and glider empty weight is 5.10 kg (11 lb). The glider model is EN B/LTF B certified.[2]
Atis 4 XL
Extra large-sized model for heavier pilots. Its 12.22 m (40.1 ft) span wing has a wing area of 28.73 m2 (309.2 sq ft), 53 cells and the aspect ratio is 5.2:1. The pilot weight range is 102 to 130 kg (225 to 287 lb) and glider empty weight is 5.40 kg (12 lb). The glider model is EN B/LTF B certified.[2]

Specifications (Atis 4 L)Edit

Data from Manufacturer[2]

General characteristics

  • Crew: one
  • Wingspan: 11.76 m (38 ft 7 in)
  • Wing area: 26.60 m2 (286.3 sq ft)
  • Aspect ratio: 5.20:1
  • Empty weight: 5.10 kg (11 lb)
  • Gross weight: 118 kg (260 lb)

Performance

  • Maximum speed: 53 km/h (33 mph, 29 kn)
  • Cruise speed: 39 km/h (24 mph, 21 kn)
  • Stall speed: 23 km/h (14 mph, 12 kn)
  • Maximum glide ratio: 9:1
  • Rate of sink: 1.15 m/s (226 ft/min)

ReferencesEdit

  1. ^ a b c d e f Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 30. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
  2. ^ a b c d e f Sky Paragliders. "ATIS 4". sky-cz.com. Retrieved 11 November 2016.

External linksEdit