---
kind: "section"
citation: "47 C.F.R. § 87.109"
title: "47"
number: "87.109"
heading: "Station logs."
url: "https://uscodex.org/cfr/47/87.109"
---

# §87.109. Station logs.

- (a) A station at a fixed location in the international aeronautical mobile service must maintain a log in accordance with Annex 10 of the ICAO Convention.
- (b) A station log must contain the following information:
  - (1) **The name of the agency operating the station.**
  - (2) **The identification of the station.**
  - (3) **The date.**
  - (4) **The time of opening and closing the station.**
  - (5) The frequencies being guarded and the type of watch (continuous or scheduled) being maintained on each frequency.
  - (6) Except at intermediate mechanical relay stations where the provisions of this paragraph need not be complied with, a record of each communication showing text of communication, time communications completed, station(s) communicated with, and frequency used.
  - (7) **All distress communications and action thereon.**
  - (8) **A brief description of communications conditions and difficulties, including harmful interference.** Such entries should include, whenever practicable, the time at which interference was experienced, the character, radio frequency and identification of the interfering signal.
  - (9) A brief description of interruption to communications due to equipment failure or other troubles, giving the duration of the interruption and action taken.
  - (10) Such additional information as may be considered by the operator to be of value as part of the record of the stations operations.
- (c) Stations maintaining written logs must also enter the signature of each operator, with the time the operator assumes and relinquishes a watch.

## Notes

### Amendments

[69 FR 32879, June 14, 2004]

### Authority

Authority: 47 U.S.C. 154, 303 and 307(e), unless otherwise noted.

### Source

Source: 53 FR 28940, Aug. 1, 1988, unless otherwise noted.

### Amendments

[69 FR 32879, June 14, 2004]