| Serial | Type | Code/Notes | Status | Noted | |
|---|---|---|---|---|---|
| ZH121 | Grob Vigilant T1 | TG, NOT at Wing Farm | Stored, offsite | Feb 2024 |  |
| ZH123 | Grob Vigilant T1 | TJ, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH124 | Grob Vigilant T1 | TK, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH147 | Grob Vigilant T1 | TU, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH187 | Grob Vigilant T1 | TZ, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH188 | Grob Vigilant T1 | UA, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH189 | Grob Vigilant T1 | UB, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH192 | Grob Vigilant T1 | UE, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH195 | Grob Vigilant T1 | UH, NOT at Wing Farm | Stored, offsite | Aug 2024 | |
| ZH207 | Grob Vigilant T1 | UN, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH247 | Grob Vigilant T1 | US, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH265 | Grob Vigilant T1 | UX, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH266 | Grob Vigilant T1 | UY, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH279 | Grob Vigilant T1 | SG, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZH890 | Grob Vigilant T1 | SE, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
| ZJ962 | Grob Vigilant T1 | SK, NOT at Wing Farm | Stored, offsite | Feb 2024 | |
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| ZH121 | ZH123 | ZH147 | ZH187 |
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| ZH188 | ZH207 | ZH247 | ZH266 |
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| ZH279 | ZJ962 |