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En route
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Direct cost
Fuel cost
Tanks run dry about past before at this burn.
Mission Profile
- High-Altitude
- Pressurization
- Multi-Engine
- Instrument
Estimated Ownership Costs
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About the IAI Astra 1125
Type certificated 1985 Source: FAA Type Certificate Data Sheet
Overview
The IAI 1125 Astra is the original, first-generation Astra: the 1985 low-wing midsize jet that Israel Aerospace Industries developed from the Westwind by dropping the wing to a low mount for a taller cabin and cleaner aerodynamics. It cruises near Mach 0.80 (459 KTAS) at up to 45,000 ft on two 3,700 lbf Garrett TFE731-3A turbofans. This is the pre-SPX airplane; the later Astra SPX, with more thrust and winglets, was renamed the Gulfstream G100 in 2002, so shop the two as distinct generations of one lineage.
For a buyer, the original Astra is one of the cheapest ways into a fast, high-flying midsize jet, and the used market prices it accordingly. It has the speed and the transcontinental reach of far pricier airframes, but it also carries the family’s two traits: a narrow cabin and a hunger for runway. The step up in thrust, range, and support network lives in the SPX/G100; the step up in cabin width lives in the later Gulfstream G150.
Key Features for GA Buyers
- Speed for the money: a Mach 0.80 cruise near 459 KTAS puts it among jets that cost far more to acquire.
- High ceiling: a 45,000 ft certified ceiling keeps it above most weather and traffic.
- Stand-up low-wing cabin: moving the wing low under the fuselage gave the Astra more headroom and a taller cabin profile than the mid-wing Westwind it replaced.
Trade-offs
- Runway-hungry: balanced field length runs past 5,000 ft at gross weight, and the original -3A engines make less thrust than the later SPX, so hot-and-high performance needs planning.
- Narrow cabin: the round cross-section stands up but is tight across the shoulders, the trait the later G150 exists to fix.
- Legacy support depth: the pre-Gulfstream original predates the Galaxy Aerospace and Gulfstream support era, so parts and program depth are thinner than on the SPX/G100; verify avionics currency for modern airspace before buying.
See Also
- Gulfstream G100 – the same lineage’s later end: the Astra SPX, re-engined with the 4,250 lbf TFE731-40R and winglets, renamed G100 under Gulfstream. Compare
- Gulfstream G150 – the wider-cabin successor built on the Astra platform, with more range and a stand-up cabin. Compare
- IAI 1124 Westwind – the mid-wing predecessor the Astra was developed from: more cabin volume, slower and shorter-legged. Compare
- Learjet 35/36 – the archetypal TFE731 light-midsize of the same era: similar speed, a tighter cabin, shorter field. Compare
- Cessna Citation II – a slower, easier-field midsize alternative from the same used-market bracket. Compare
Technical Specifications
Dimensions & Weights
- Height
- 18 ft
- Length
- 56 ft
- Parking area (ft²2)
- 3,800 ft²
- Max Takeoff Weight
- Source: FAA Type Certificate Data Sheet 23,500 lbs
- Max Landing Weight
- Source: FAA Type Certificate Data Sheet 20,700 lbs
- Useful Load
- 10,700 lbs
- Fuel Capacity
- Source: FAA Type Certificate Data Sheet 1,297 gal
Performance
- Cruise Speed
- 459 KTAS
- Never-Exceed (VNE)
- Source: FAA Type Certificate Data Sheet 360 KIAS
- Max Structural Cruise (VNO)
- Source: FAA Type Certificate Data Sheet 360 KIAS
- Approach Speed
- 120 KIAS
- Stall, Clean (VS1)
- 106 KIAS
- Range
- Source: third-party reference 2926 NM
- Service Ceiling
- Source: FAA Type Certificate Data Sheet 45,000 ft
- Takeoff over 50 ft obstacle
- 5,350 ft
- Landing over 50 ft obstacle
- 2,450 ft
Engines
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Sources
Where the figures on this page come from. IAI Astra 1125 specifications are traced to published references; estimated values are flagged inline next to the figure.
Similar to the IAI Astra 1125
Similar TurbofansIAI 1124 Westwind
Gulfstream G100
Learjet 70
Learjet 55
Gulfstream G150
Compare the IAI Astra 1125 to other aircraft
