Exhibit 12.1
Certification of Chief Executive Officer
I, Enrique Cueto Plaza, certify that:
1. | I have reviewed this amendment to the annual report on Form 20-F of Lan Airlines S.A.; |
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: May 4, 2007
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By: | /s/ Enrique Cueto Plaza | |
Name: | Enrique Cueto Plaza | |
Title: | Chief Executive Officer |