# Long March 1D

> member of China's Long March rocket family

**Wikidata**: [Q6672966](https://www.wikidata.org/wiki/Q6672966)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Long_March_1D)  
**Source**: https://4ort.xyz/entity/long-march-1d

## Summary  
The Long March 1D (CZ-1D) is a Chinese expendable carrier rocket and a member of the Long March rocket family, developed by the China Academy of Launch Vehicle Technology. It was first launched on June 1, 1995, from the Taiyuan Satellite Launch Center and was retired on January 3, 2002. The rocket was primarily used for launching small satellites into low Earth orbit.

## Key Facts  
- First flight: June 1, 1995  
- Retired: January 3, 2002  
- Manufacturer: China Academy of Launch Vehicle Technology  
- Operator: China National Space Administration  
- Launch site: Taiyuan Satellite Launch Center  
- Country of origin: People's Republic of China  
- Instance of: Rocket model  
- Subclass of: Long March rocket family  
- Aliases: CZ-1D, Changzheng-1D, 长征一号D, 長征一號丁, etc.  
- Wikipedia languages: Czech, English, Hindi, Indonesian, Italian, Korean, Portuguese, Russian, Chinese  

## FAQs  
### Q: What is the Long March 1D?  
A: The Long March 1D is a Chinese orbital launch vehicle designed for small satellite missions. It was part of the broader Long March rocket program managed by the China National Space Administration.

### Q: When was the Long March 1D first launched?  
A: The first flight of the Long March 1D occurred on June 1, 1995, from the Taiyuan Satellite Launch Center.

### Q: Is the Long March 1D still in use?  
A: No, the Long March 1D was officially retired after its last launch on January 3, 2002.

## Why It Matters  
The Long March 1D played a modest but notable role in China’s early efforts to diversify its space launch capabilities during the mid-1990s. As part of the broader Long March family, which forms the backbone of China's access to space, the 1D variant contributed to the nation's growing experience with lightweight orbital launchers. Though only operational for a few years, it demonstrated technological progression within China’s aerospace sector and supported the deployment of small-scale payloads during a transitional period in the country’s space program. Its retirement marked the end of an experimental phase, leading to more advanced successors in later generations of the Long March series.

## Notable For  
- Being one of the smaller and less powerful variants in the Long March family  
- Having a relatively brief service life from 1995 to 2002  
- Contributing to China’s development of lightweight launch systems  
- Supporting small satellite launches during a formative era of China’s commercial space ambitions  
- Featuring a simplified design compared to heavier Long March models like the CZ-2 or CZ-3 series  

## Body  

### Overview  
The Long March 1D (CZ-1D) is a Chinese orbital launch vehicle derived from earlier models in the Long March family. It was specifically tailored for launching lighter payloads into low Earth orbit (LEO). The rocket had a limited operational lifespan, flying just a handful of times before being phased out in favor of newer technologies.

### Development and Manufacturer  
- Developed by: China Academy of Launch Vehicle Technology (CALVT)  
- Part of the Long March family under supervision of the China National Space Administration (CNSA)  
- Designed as a cost-effective solution for small satellite missions  

### Technical Specifications  
- Class: Small-lift launch vehicle  
- Payload capacity: Limited; suitable for microsatellites and technology demonstrators  
- Stages: Three-stage liquid-fueled rocket  
- Propellants: UDMH/N₂O₄ (Unsymmetrical Dimethylhydrazine / Nitrogen Tetroxide)  
- Height: Approximately 29 meters  
- Diameter: Around 2.25 meters  

### Launch History  
- First launch: June 1, 1995  
- Final launch: January 3, 2002  
- Total launches: Fewer than ten documented flights  
- Launch site: Exclusively at the Taiyuan Satellite Launch Center  

### Legacy  
- Served as a stepping stone toward more sophisticated small-lift vehicles in the Long March fleet  
- Demonstrated incremental advancements in propulsion and structural engineering  
- Helped establish infrastructure and expertise relevant to future Chinese small-satellite launch programs

## References

1. [Source](https://space.skyrocket.de/doc_lau/cz-1.htm)
2. Freebase Data Dumps. 2013