| P100-058-619-00 | Electronic Digital Engine Tachometer Model P-1000 | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-030-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-105-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100030-106-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-405-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-407-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-411-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100030-431-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100030-622-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100030-811-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100050-147 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100050-151 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100050-426 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100051-143 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100051-145 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100051-182 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100051-184 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100052-141 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100052-160 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100053-143 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100053-145 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-141-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-142-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-160-00 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-160-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-161-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-162-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100054-163-03 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-140 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-146 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-148 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-149 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-187 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-188 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-847 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100055-887 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100056-149 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100056-164 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100056-176 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100056-186 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | — | 77 | Instruments | PMA |
| P100057-141 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100057-162 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100058-166 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100058-168 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100058-188 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100058-866 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100058-871 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100059-141 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100059-142 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |
| P100059-162 | Electronic Engine Digital Tachometer | Horizon Insturments Inc | | 77 | Instruments | PMA |