The Scaled Composites Model 437 Vanguard is a stealth demonstration aircraft built by Scaled Composites and Northrop Grumman. [2] Based on the Scaled Composites 401 the model 437 includes manual piloting capabilities and an engine change from the Pratt & Whitney Canada JT15D-5D to the more powerful Pratt & Whitney PW535.

2024年9月11日 · The Model 437 Vanguard is an innovative stealthy aircraft concept, evolving from the Model 401 Sierra blueprint, developed by Scaled Composites, an aerospace company based in the US and subsidiary of Northrop Grumman. The project aims to pioneer a versatile, cost-effective, and expendable aircraft solution.

2024年8月30日 · The Model 437 Vanguard is a crewed variant of the original concept powered by a single Pratt & Whitney 535 engine with approximately 3,400 pounds of thrust. The aircraft has a wingspan of 41 feet and is 41 feet long with a gross takeoff weight of 10,000 pounds.

2024年8月29日 · The first known prototype of the Model 437 from Northrop Grumman subsidiary Scaled Composites has flown. The design has been in development as an advanced “loyal …

2024年8月29日 · The Model 437 Vanguard is a crewed variant of the original concept powered by a single Pratt & Whitney 535 engine with approximately 3,400 pounds of thrust. The aircraft has a wingspan of 41 feet and is 41 feet long with a gross takeoff weight of 10,000 pounds.

2024年8月11日 · 軍聞網站《戰區》（The Warzone）報導，美國國防承包商諾斯洛普·格魯曼公司（Northrop Grumman，簡稱諾格）最新研發的437 型（Model 437）先進空中作戰匿蹤無人機近日首度曝光。

2021年9月13日 · Model 437将以Model 401飞机为基础，可内置和外挂多种载荷，飞行速度预计可达1000千米/小时。 Model 437的最终配置取决于“天空博格人”项目的要求，在美国空军的资助下，该公司提议在14个月内开发无人化的Model 401，以测试Model 437的概念。

2024年9月6日 · US defence manufacturer Northrop Grumman has released video showing first flight of a low-cost jet developed to demonstrate new manufacturing techniques. Assembled and flown by Northrop subsidiary...

2024年8月29日 · The Model 437 Vanguard is a crewed variant of the original concept powered by a single Pratt & Whitney 535 engine with approximately 3,400 pounds of thrust. The aircraft has a wingspan of 41 feet...

2021年9月8日，诺斯罗普-格鲁门（诺格）公司公布了与其下属的缩比复合材料（ Scaled Composites）公司联合研制的437型无人机概念，作为美国空军的“天空博格人”和英国的“蚊子”项目的“忠诚僚机”。