Credit
Original uploader was User:Ahunt at en:wikipedia · Public domain · Resized · Public domain · Source ↗ · Modified
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At a glance
Measured figures
F28F · Length
Single source29 ft 3 in (8.92 m)[source]
333 · overall
Single sourceConfiguration
| Specification | Enstrom F-28 | Schweizer S333 |
|---|---|---|
| Type | Light helicopter[source] | Light utility and trainer helicopter[source]Schweizer 330 / S333 |
| Manufacturer | Enstrom Helicopter Corporation[source] | Schweizer Aircraft Corporation Sikorsky Aircraft[source]Schweizer 330 / S333 |
| Manufactured | 1965-present[source] | 1988–present[source]Schweizer 330 / S333 |
| Introduction date | 1965[source] |
31 ft 2 in (9.50 m) overall[source]
F28F · 1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine
Single source1 × Lycoming HIO-360-F1AD four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engine, 225 hp (168 kW)[source]
333 · 1 × Rolls-Royce M250-C20W turboshaft engine, 235 shp (
Single source1 × Rolls-Royce M250-C20W turboshaft engine, 235 shp (175 kW)[source]
F28F · Endurance
Single source3 hr 30 min[source]
F28F · Service ceiling
Single source12,000 ft (3,700 m)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
1992[source]Schweizer 330 / S333 |
| Variants | Enstrom TH180 Spitfire Mark I[source] | — |
|---|
| Developed into | Enstrom 480[source] | MQ-8 Fire Scout Sikorsky S-434[source]Schweizer 330 / S333 |
|---|
| Capacity | two passengers[source] | 1–3 passengers[source] |
|---|
| Main rotor area | 804 sq ft (74.7 m 2 ) NACA 0013.5[source] | 594 sq ft (55.2 m 2 ) ( blade section: NACA 0015 modified )[source] |
|---|
| Country of origin | Vereinigte Staaten[source]Country of design · Entwurfsland | — |
|---|
| Status | — | Active In production[source]Schweizer 330 / S333 |
|---|
| Primary users | — | Dominican Air Force Royal Saudi Land Forces[source]Schweizer 330 / S333 |
|---|
| First flight | — | June 14, 1988[source]Schweizer 330 / S333 |
|---|
| Developed from | — | Schweizer S300[source]Schweizer 330 / S333 |
|---|
Maximum take-off; 333 · Max takeoff weight
Single source