EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated March 13, 2012, relating to the financial statements and financial statement schedules of PHI, Inc., and the effectiveness of PHI, Inc.’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of PHI, Inc. for the year ended December 31, 2011.
/s/ DELOITTE & TOUCHE LLP
New Orleans, Louisiana
May 10, 2012