| 150-59-70 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 150-71-85 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 150-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 150-F | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 150-FA | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 150-FAM | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 150-T | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 15015963 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 55 | Structures | PMA |
| 15015963, 15016485, 15025963, 15026485, Instl C177 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | | 55 | Structures | PMA |
| 15016485 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 55 | Structures | PMA |
| 15025963 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 15026485 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 152-78-85 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 152-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 152-F | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 152-FA | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 152-FAM | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 152-T | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 170-49-56 | STOL-Kit | Horton STOL Craft | — | 57 | Structures | PMA |
| 170-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 170-F | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 170-FA | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 170-FAM | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 170-T | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 172-56-72 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 172-73-81 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 172-82-86 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 172-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 172-F | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 172-FA | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 172-FAM | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 172-T | Aileron and/or Flap Gap Seals | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 17216386 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 17226386-1 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 55 | Structures | PMA |
| 17226386-2 | Stabilizer Tips, Elevator Tips | Horton STOL Craft | — | 27 | Flight Controls | PMA |
| 172RG-8081 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 172RG-8285 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 172XP-7781 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 175-58-63 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 175-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 175-F | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 175-FA | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 175-FAM | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 175-T | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |
| 177-68-69 | STOL-Kit | Horton STOL Craft | — | 57 | Structures | PMA |
| 177-70-78 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 177RG-7178 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 180-53-72 | STOL-Kit | Horton STOL Craft | | 57 | Structures | PMA |
| 180-73-85 | STOL-Kit | Horton STOL Craft | | 57 | Flight Controls | PMA |
| 180-A | Aileron and/or Flap Gap Seals | Horton STOL Craft | | 27 | Flight Controls | PMA |