| | N331UA | Private | Unallocated | -0001 | Unallocated frame, notes 'Homebuilt 3X18M', if known please update accordingly. Owner/Operator Registration Pending |
| | N100W | Private | Unallocated | -0001 | Unallocated frame, notes 'Witwer BIPE ', if known please update accordingly |
| | N4713P | Private | Unallocated | -0001 | Unallocated frame, notes 'Curles John E WIND RIDER', if known please update accordingly |
| | N3152D | Private | Unallocated | -0001 | Unallocated frame, notes 'Tiller-Scott P-CRAFT', if known please update accordingly |
| | N72CA | Private | Unallocated | -0001 | Unallocated frame, notes 'Cook Aircraft Corp JC 1 ', if known please update accordingly |
| | N2XA | Private | Unallocated | 1977 | Unallocated frame, notes 'Massachusetts Inst. Of Tech. BURD II', if known please update accordingly |
| | N7758D | Private | Unallocated | 1983 | Unallocated frame, notes 'Jolley Dee A CONDOR III', if known please update accordingly |
| | N32561 | Private | Unallocated | 1983 | Unallocated frame, notes 'Smith Michael D ULTRALITE J3-2 ', if known please update accordingly |
| | N5531U | Private | Unallocated | 1985 | Unallocated frame, notes 'Aircraft Research Corp DAVIS T-33', if known please update accordingly |
| | N455CB | Private | Unallocated | 1989 | Unallocated frame, notes 'Barlow Carl D ACAPELLA', if known please update accordingly |
| | N20CY | Private | Unallocated | 1997 | Unallocated frame, notes 'Nusbaum Steve JOHN DOE SPIRIT', if known please update accordingly |
| | N1216Z | Private | Unallocated | 2001 | Unallocated frame, notes 'Petz Dave FLYING BOAT', if known please update accordingly |
| | N393AM | Private | Unallocated | 2001 | Unallocated frame, notes 'Johnson Bill COMP ', if known please update accordingly |
| | N5007X | Private | Unallocated | 2005 | Unallocated frame, notes 'Kubasek John W RW1 PIET', if known please update accordingly |
| | N4375D | Private | Unallocated | 2007 | Unallocated frame, notes 'Homebuilt SHADOW', if known please update accordingly. Owner/Operator Risk Dennis W |
| | N403BV | Private | Unallocated | 2007 | Unallocated frame, notes 'Homebuilt RX 550', if known please update accordingly. Owner/Operator Hard Alan N |
| | N662EX | Private | Unallocated | 2008 | Unallocated frame, notes 'Rittenhouse Dwight O DRIA ', if known please update accordingly |
| | N712SA | Private | Unallocated | 2010 | Unallocated frame, notes 'Homebuilt ROOT-SHERPA ', if known please update accordingly. Owner/Operator Ready Aim Flyer Llc |
| | N718TJ | Private | Unallocated | 2010 | Unallocated frame, notes 'James Timothy H CUB', if known please update accordingly |
| | N710YZ | Private | Unallocated | 2011 | Unallocated frame, notes 'Homebuilt ROTORWAY 162F EXEC', if known please update accordingly. Owner/Operator Dumouchel Richard T |
| | N413MM | Private | Unallocated | 2012 | Unallocated frame, notes 'Mikolichek Garlen MIK-2-2', if known please update accordingly |
| | N309M | Private | Unallocated | 2012 | Unallocated frame, notes 'Homebuilt MOSWEY II A ', if known please update accordingly. Owner/Operator Galloway Chris J |
| | N47845 | Private | Unallocated | 2012 | Unallocated frame, notes 'Homebuilt LOEHLE PARASOL', if known please update accordingly. Owner/Operator Kellogg Jeffrey L |
| | N210AV | Private | Unallocated | 2013 | Unallocated frame, notes 'Homebuilt PAV4 ', if known please update accordingly. Owner/Operator Carter Jay Jr |
| | N385SB | Private | Unallocated | 2013 | Unallocated frame, notes 'Sikorsky SZ 338B', if known please update accordingly |
| | N208BU | Private | Unallocated | 2013 | Unallocated frame, notes 'Abadie C/Butterfly Llc AURORA', if known please update accordingly |
| | N725WA | Private | Unallocated | 2013 | Unallocated frame, notes 'Homebuilt BCRAFT MHV HUNTER II', if known please update accordingly. Owner/Operator Alsworth Wayne C Jr |
| | N841PM | Private | Unallocated | 2014 | Unallocated frame, notes 'Homebuilt TURBO CUB ', if known please update accordingly. Owner/Operator Potomac Street Partners Llp |
| | N775AA | Private | Unallocated | 2014 | Unallocated frame, notes 'Azure Films Inc Dba Astraeus A V.3CS', if known please update accordingly |
| | N70678 | Private | Unallocated | 2015 | Unallocated frame, notes 'Homebuilt SQ-2 ', if known please update accordingly. Owner/Operator Landmark Oil & Gas Llc |
| | N109WP | Private | Unallocated | 2016 | Unallocated frame, notes 'Homebuilt SPARROW HAWK', if known please update accordingly. Owner/Operator Kitty Hawk Corp |
| | N712RS | Private | Unallocated | 2016 | Unallocated frame, notes 'Silverlight Aviation Llc DELTA JET-II', if known please update accordingly. Owner/Operator Sharf Roger E |
| | N428AV | Private | Unallocated | 2018 | Unallocated frame, notes 'John Powell Dba J P Aerospace ASCENDER 28', if known please update accordingly |
| | N13VC | Private | Unallocated | 2018 | Unallocated frame, notes 'Smith Aviation Corp PA 18', if known please update accordingly. Owner/Operator White Paul J |
| | N700PY | Private | Unallocated | 2019 | Unallocated frame, notes 'Homebuilt SUPER BREEZY', if known please update accordingly. Owner/Operator African Wildlife Initiative |