Known Neptunes of VP-28 as of March 7, 2002.
| BuNo | Code | earlydate | latedate |
|---|---|---|---|
| 127720 | CF-6 | 1 May 53 | |
| 128332 | QC-9 | Jan 60 | May 60 |
| 128339 | QC | 59 | 60 |
| 128339 | QC-8 | Jan 60 | May 60 |
| 128339 | QC-8 | 21 Apr 60 | |
| 128356 | QC | 59 | 60 |
| 128356 | QC-10 | Jan 60 | May 60 |
| 128372 | QC | 59 | 60 |
| 128372 | QC-6 | Jan 60 | May 60 |
| 128377 | QC | 59 | 60 |
| 128377 | QC-12 | Jan 60 | May 60 |
| 128378 | QC-3 | Jan 60 | May 60 |
| 128405 | QC-5 | Jan 60 | May 60 |
| 128408 | QC-7 | Jan 60 | May 60 |
| 128418 | CF | 23 Jul 57 | |
| 128420 | QC-11 | Jan 60 | May 60 |
| 131401 | QC-7 | 62 | |
| 131402 | CF-8 | 56 | 57 |
| 131402 | QC-8 | 57 | 59 |
| 131413 | CF-5 | 56 | |
| 131416 | CF-3 | 56 | 57 |
| 131416 | QC-3 | 57 | 59 |
| 131420 | CF-5 | 56 | 57 |
| 131420 | QC-5 | 58 | 59 |
| 131421 | QC-7 | 57 | 59 |
| 131427 | CF | 23 Mar 54 | |
| 131427 | CF | 24 Dec 54 | |
| 131433 | CF-7 | Sep 56 | 57 |
| 131433 | QC-7 | 57 | |
| 131443 | QC-7 | 57 | 59 |
| 131446 | CF-12 | 56 | 57 |
| 131448 | QC-6 | 57 | 59 |
| 131449 | CF-9 | 56 | 57 |
| 131449 | QC-12 | 57 | 59 |
| 131493 | QC-1 | Jan 60 | May 60 |
| 131517 | QC-1 | 56 | 59 |
| 131526 | CF-4 | 56 | 57 |
| 131526 | QC-4 | 57 | 59 |
| 131537 | QC-2 | Jan 60 | May 60 |
| 131537 | QC-2 | 18 Apr 60 | |
| 131540 | QC | 59 | 60 |
| 131540 | QC-4 | Jan 60 | May 60 |
| 135562 | QC-5 | ||
| 135562 | Dec 63 | Feb 65 | |
| 135578 | QC-7 | ||
| 135578 | Aug 63 | Apr 65 | |
| 135578 | QC | 16 Mar 64 | |
| 135602 | QC-11 | ||
| 135602 | Oct 63 | Jan 65 | |
| 140153 | QC-12 | ||
| 140153 | Jan 64 | Nov 64 | |
| 140160 | QC-9 | ||
| 140160 | Sep 63 | Apr 65 | |
| 141232 | QC-10 | ||
| 141232 | Jan 64 | Nov 64 | |
| 144683 | QC-8 | ||
| 144683 | Oct 63 | Dec 64 | |
| 144684 | QC-6 | ||
| 144684 | Nov 63 | Dec 64 | |
| 145900 | QC-1 | ||
| 145900 | Oct 63 | Mar 65 | |
| 145912 | QC-2 | ||
| 145912 | Sep 63 | Jan 65 | |
| 145916 | QC-4 | ||
| 145916 | Oct 63 | Apr 65 | |
| 147948 | QC-3 | ||
| 147948 | Nov 63 | Nov 64 |