Merlin 1A
SpaceX original Merlin 1A liquid-rocket variant used on the first Falcon 1 flight; NASA Falcon-family records distinguish Merlin 1A from the later Merlin 1C used on subsequent Falcon 1 flights.
Identity
- Aliases
- Merlin-1ASpaceX Merlin 1A
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- Merlin 1A
- Status
- retired
Details
- Description
- SpaceX original Merlin 1A liquid-rocket variant used on the first Falcon 1 flight; NASA Falcon-family records distinguish Merlin 1A from the later Merlin 1C used on subsequent Falcon 1 flights.
- Developers
- Family
- Manufacturers
- Propellants
- RP-1liquid oxygen
- Rocket Specs
- Cycle
- gas-generator
- Sea Level Thrust
- …
Links
Assets & Meta
- Creation Time
- August 15, 2026 at 04:56:08 UTC
- Updated Time
- August 23, 2026 at 09:37:59 UTC
Other
- Sources
- Accessed Date
- 2026-08-14
- Note
- NASA identifies Falcon 1 first-stage propulsion as SpaceX Merlin 1A or 1C and distinguishes the Falcon 1e Merlin 1C+ boundary.
- Publisher
- NASA
- Title
- Final Report Environmental Assessment for MARS
- Accessed Date
- 2026-08-14
- Note
- NASA Space Launch Report identifies Merlin 1A on Falcon 1 Flight 1 and records the flight-series engine data, independently establishing the early variant identity.
- Publisher
- NASA Spaceflight Mission Analysis
- Title
- SpaceX Falcon 9 Data Sheet
- Accessed Date
- 2026-08-14
- Note
- FAA documents the Falcon 1 Merlin first-stage engine as pump-driven LOX/kerosene propulsion and the early Falcon 1 launch context.
- Publisher
- Federal Aviation Administration
- Title
- 2007 U.S. Commercial Space Transportation Developments and Concepts