| Construction nr / Line nr | RK-18 |
| Airframe status | Operational |
| Remarks |
| Reg | Type | Operator | Date | Remarks |
|---|---|---|---|---|
| N5598Q | Beech 400A | Beech Aircraft Corp. | May 1991 | |
| N717DD | Beech 400A | Sep 1996 | ||
| N717DW | Beech 400A | 13 Apr 1999 | ||
| N418CW | Beech 400A | Flight Options | 3 Jun 1999 | |
| N402LX | Beech 400A | Flight Options | not taken up | |
| N418CW | Beech 400A | Cerretani Aviation Group LLC | 16 Nov 2005 | |
| N418CW | Beech 400A | Cutter Southwest Aircraft Sales LLC | Feb 2007 | |
| N418CW | Beech 400A | LWood Aviation Inc. | Mar 2007 | |
| TC-ASE | Beech 400A | Sindel Air/Ahmet Ozbey | Jun 2007 | |
| N189GA | Beech 400A | Cloudscape Inc. | Dec 2010 | |
| ZS-MJD | Beech 400A | National Airways Corporation | Jan 2011 | |
| ZS-MJD | Beech 400A | MJD Partnership | Jan 2011 |