2005 Federal Sentencing Guidelines
Chapter 2 - PART A - OFFENSES AGAINST THE
PERSON
§2A5.3. Committing Certain
Crimes Aboard Aircraft
(a) Base Offense Level: The offense level applicable to the underlying offense.
Commentary
Statutory Provision: 49 U.S.C. § 46506
  (formerly 49 U.S.C. § 1472(k)(1)).
Application Notes:
1. "Underlying offense" refers to the offense listed in 49 U.S.C. § 46506
  of which the defendant is convicted.
2. If the conduct intentionally or recklessly endangered the safety of the
  aircraft or passengers, an upward departure may be warranted.
Historical Note: Effective
  October 15, 1988 (see Appendix
  C, amendment 65). Amended effective November 1, 1989 (see Appendix
  C, amendment 98); November 1, 1995 (see Appendix
  C, amendment 534).