FAA-listed STC holder
Hartwig Aircraft Fuel Cell Repair STCs
The Jun 30, 2026 FAA DRS snapshot lists 25 selected supplemental type certificates with status Current under Hartwig Aircraft Fuel Cell Repair. The records span 115 public aircraft directories and 1 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Aircraft represented
Recently revised records
Showing the 25 most recently revised records. Category directories provide the complete paginated discovery path.
Installation of 18 gallon nylon auxiliary fuel tanks on airplanes equipped with standard range 64 gallon capacity bladder tank or 62 gallon fiberglass fuel tanks. (A185F thru S/N 18503683 and later airplanes originally equipped w/bladder fuel tanks).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of 62 gallon capacity standard range and 77 gallon capacity long range fiberglass fuel tanks in place of original bladder fuel tanks.
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of standard range 62 gallon capacity or long range 77 gallon capacity fiberglass fuel tanks in place of original bladder fuel tanks.
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel caps. (R182 S/N R18200002 THRU R18200583) (182Q THRU S/N 18266590).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of 62 gallon capacity long range fiberglass fuel tanks in place of original bladder fuel tanks.
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (180K S/N 18053001 THRU 18053203).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (TR182 S/N R18200584 THRU R18202032) (T182 S/N 18266591 THRU18268542).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (U206G S/N U20604650 - U20606921).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and and caps. (210R S/N 21058819 THRU 21064950) (P210R S/N P21000001 THRU P21000867) (T210R S/N T210-0198 THRU 21064950).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (177B S/N 17700001 THRU 17702752).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (177RG S/N177RG0001 - 177RG1366).
FAA holder: Hartwig Aircraft Fuel Cell Repair
Installation of fuel inlets and caps. (A185F S/N 18503684 THRU 18504448).
FAA holder: Hartwig Aircraft Fuel Cell Repair