Table 5. Definitions of technology... | Emerald Publishing

Table 5.

Definitions of technology readiness levels (TRLs)

TRL	Definition
1	Basic principles observed and reported
2	Technology concept and/or application formulated
3	Analytical and experimental critical function and/or characteristic proof of concept
4	Component and/or breadboard validation in laboratory environment
5	Component and/or breadboard validation in relevant environment
6	System/sub-system model or prototype demonstration in a relevant environment
7	System prototype demonstration in an operational environment
8	Actual system completed and ’flight qualified’ through test and demonstration
9	Actual system flight proven through successful mission operations

TRL	Definition
1	Basic principles observed and reported
2	Technology concept and/or application formulated
3	Analytical and experimental critical function and/or characteristic proof of concept
4	Component and/or breadboard validation in laboratory environment
5	Component and/or breadboard validation in relevant environment
6	System/sub-system model or prototype demonstration in a relevant environment
7	System prototype demonstration in an operational environment
8	Actual system completed and ’flight qualified’ through test and demonstration
9	Actual system flight proven through successful mission operations

Note(s):

From Mankins (2009)