SB04148CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1204 and UM4-1203.
FAA holder: Tom Warren
FAA-listed STC holder
Tom Warren STCs
The Jun 30, 2026 FAA DRS snapshot lists 6 selected supplemental type certificates with status Current under Tom Warren. The records span 3 public aircraft directories and 1 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
6
listed Current at snapshot
3
aircraft directories
1
modification categories
Oct 28, 2016
latest recorded revision
Modification mix
Fuel systems6
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SB04149CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1075 and UM4-1074.
FAA holder: Tom Warren
SB04150CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1187, UM4-1186, and UM4-1185.
FAA holder: Tom Warren
SB04128CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1074 and UM4-1075. The Ultramagic fuel tanks.
FAA holder: Tom Warren
SB04129CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1072 and UM4-1073. The Ultramagic fuel tank.
FAA holder: Tom Warren
SB04130CHFuel systems
Replace the existing fuel tanks with Ultramagic Model M-40D, S/Ns UM4-1074, UM4-1075, UM4-1189, and UM4-1190.
FAA holder: Tom Warren