United States v. Guy St. Amour
886 F.3d 1009
11th Cir.2018Background
- Guy St. Amour, a ferry pilot, had an unapproved auxiliary fuel system installed in a Cessna 182 he intended to ferry to Paraguay; the system used a plastic marine tank, hoses, duct tape, and an electric pump.
- On March 27, 2013, after mechanics installed the system, St. Amour started the engine, taxied the plane, and had it refueled at an airport maintenance facility.
- DEA agents stopped him that day; St. Amour told agents he planned to depart for Paraguay the next morning.
- He was indicted under 49 U.S.C. § 46306(b)(9) for operating an aircraft with a fuel system known not to comply with FAA requirements.
- St. Amour moved to dismiss, arguing “operate” should be limited to conduct during or imminent to flight (requiring close temporal proximity); the district court denied the motion.
- He pleaded guilty reserving the right to appeal the denial; the Eleventh Circuit affirmed, holding “operate” includes ground acts preparatory or incident to flight (e.g., starting, taxiing, refueling).
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Whether "operates an aircraft" in 49 U.S.C. § 46306(b)(9) covers ground acts preparatory to flight | "Operate" requires conduct during or imminent to flight; taxiing/refueling a day before is not operation | "Operate" includes use of an aircraft to prepare for flight regardless of temporal proximity | The term covers use preparatory or incident to flight; St. Amour operated the aircraft when he started, taxied, and refueled it to prepare for flight |
| Whether statutory/regulatory definitions resolve ambiguity | Argues ambiguity triggers lenity or vagueness protections | Definitions in 49 U.S.C. § 40102(a)(35) and 14 C.F.R. §1.1 define "operate" by purpose, not time | No grievous ambiguity; rule of lenity does not apply; statutory/regulatory definitions give fair notice |
| Whether policy concerns support narrow or broad reading | Narrow reading limits criminal reach and temporal scope | Broad reading promotes safety and allows preventive enforcement before illegal flight | Safety objectives and preventive enforcement favor a broad reading encompassing preparatory ground acts |
| Whether administrative precedent supports scope of "operate" | (implied) administrative decisions can be read narrowly on facts | Administrative (CAB/NTSB) decisions treat starting, taxiing, attempted start as operation when preparatory to flight | Administrative precedent (Ruhland, Hise, Pauly, Collins, Dailey) supports that preparatory/incident acts constitute operation |
Key Cases Cited
- Daily v. Bond, 623 F.2d 624 (9th Cir. 1980) (Ninth Circuit affirmed NTSB: attempted start preparatory to flight constitutes operation)
- Watt v. Alaska, 451 U.S. 259 (1981) (statutory interpretation begins with text/plain meaning)
- Muscarello v. United States, 524 U.S. 125 (1998) (rule of lenity applies only when grievous ambiguity remains)
- Lanier v. United States, 520 U.S. 259 (1997) (vagueness doctrine requires fair warning; criminal statutes must be clear)
- United States v. Haun, 494 F.3d 1006 (11th Cir. 2007) (interpretive approach: adopt meaning that harmonizes with statutory context and policy)