TBRA

RMS Rocket Motors
D15-4T, D15-7T, E6-RCT, E7-RCT, F22-5J, F22-7J, F62-10FJ, G75J, H73J, H97J, H130W, H550ST, I115W, I170G, I180W, J99N, J250FJ, K513FJ, L1250DM, L400W, M1075DM, M1500G, M1600R, M1800FJ, M2100G, M2220DM, M2225W, plus all other RMS motors previously designated as Intermittent Seasonal Production.

* NOTE: Motor reload kits for discontinued motor hardware will continue to be produced for the next 3 - 5 years.

Estes has announced that they are discontinuing the E12 series of black powder motors.

Aerotech announced on April 24, 2026 that they are discontinuing the following rocket motors and hardware.

RMS Hardware

18/20, 24/20-40R/C, *24/40, *29/60, *29/100, *29/120, *38/120, 38/20-720 Combo, *54/426, 54/420-2800 Combo, 54/852-1706 System, *75/1280, 75/2560-6400 Combo, *98/2560, 98/2560-10280 System, 29mm EFC motor closure adapter, 38mm EFC motor closure adapter, 54mm EFC motor closure adapter, 54mmEFC extended motor closure adapter, plus all other hardware previously designated as Intermittent Seasonal Production.

Single Use / DMS Rocket Motors
A3-6FJ, B4-6FJ, C12-8FJ, C18-8W, D16-4FJ (25 pack), D16-6FJ (25 pack),
D20-4W (25 pack), D20-6W (25 pack), D22-10W, F23-4FJ, F23-7FJ,
F25-9W, F26-9FJ, F52-12C, F67-NC, G38-4FJ, G79-4W, G79-7W, G79-10W,
G75M, G85T, H13ST, H13ST NTR, H145ST NTR, I40N, I65W, L875DM
plus all other single use or DMS motors previously designated as Intermittent Seasonal Production.

Estes 

Aerotech