| I, Neal D. Crispin, certify that: |
| 1. I have reviewed this report on Form 10-Q/A of AeroCentury Corp.; and |
| 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| Date: February 14, 2011 | By: | /s/ Neal D. Crispin | |
| Name: Neal D. Crispin | |||
| Title: President & Chief Executive Officer | |||
