Federal Communications Commission 
Before the 
Federal Communications Commission 
Washington, D.C. 20554 
In the Matter of )) 
State of Montana ) 
Aeronautics Division ) File No. EB-09-PO-0032 
Licensee of Multicom Station WOI8 ))
NOV No. V201032920001 
Red Lodge Airport, Montana ) 
NOTICE OF VIOLATION 
Released: October 29, 2009 
By the Resident Agent, Portland Resident Agent Office, Western Region, Enforcement Bureau: 
1. This is a Notice of Violation ("Notice") issued pursuant to Section 1.89 of the 
Commission’s Rules,1 to the State of Montana - Aeronautics Division, licensee of aeronautical multicom 
station WOI8. 
2. On July 17, 2009, in response to a complaint of interference from an aircraft pilot, an 
agent from the Enforcement Bureau’s Portland Resident Agent Office initiated an investigation into the 
allegations and observed the following violation: 
47 C.F.R. § 87.237(a): “The communications of an aeronautical multicom 
(multicom) must pertain to activities of a temporary, seasonal or emergency nature 
involving aircraft in flight. Communications are limited to directing or coordinating 
ground activities from the air or aerial activities from the ground. Air-to-air 
communications will be authorized if the communications are directly connected 
with the air-to-ground or ground-to-air activities described above. Multicom 
communications must not include those air/ground communications provided for 
elsewhere in this part.” 
Investigation by the Portland agent determined an automated weather station had been added to 
the operation of the multicom which resulted in automatic operation of the multicom and 
interference to aircraft. There is no provision in Part 87 of the Commission’s Rules which allows 
automatic operation of a multicom station.2 
1 47 C.F.R. § 1.89. 
2 See, e.g., Section 87.219 of the Commission’s Rules, 47 C.F.R. § 87.219, which allows automatic operation of 
aeronautical unicom stations.

Federal Communications Commission 
2 
3. Pursuant to Section 308(b) of the Communications Act of 1934, as amended,3 and 
Section 1.89 of the Commission's Rules, the State of Montana - Aeronautics Division must submit a 
written statement concerning this matter within 20 days of release of this Notice. The response must fully 
explain each violation, must contain a statement of the specific action(s) taken to correct the violation and 
preclude recurrence, and should include a time line for completion of pending corrective action(s). The 
response must be complete in itself and signed by a principal or officer of the State of Montana – 
Aeronautics Division. All replies and documentation sent in response to this Notice should be marked 
with the File No. and NOV No. specified above, and mailed to the following address: 
Federal Communications Commission 
Portland Resident Agent Office 
P.O Box 61469 
Vancouver, WA 98666-1469 
4. This Notice shall be sent to the State of Montana - Aeronautics Division at its address of 
record. 
5. The Privacy Act of 19744 requires that we advise you that the Commission will use all 
relevant material information before it, including any information disclosed in your reply, to determine 
what, if any, enforcement action is required to ensure compliance. Any false statement made knowingly 
and willfully in reply to this Notice is punishable by fine or imprisonment under Title 18 of the U.S. 
Code.5 
FEDERAL COMMUNICATIONS COMMISSION 
Binh Nguyen 
Resident Agent 
Portland Resident Agent Office 
Western Region 
Enforcement Bureau 
3 47 U.S.C. § 308(b). 
4 P.L. 93-579, 5 U.S.C. § 552a(e)(3). 
5 18 U.S.C. § 1001 et seq.