Non-towered · Class G at the surface
Mansfield Municipal (1B9) radio calls
Mansfield, MAFAA identifier 1B9; no ICAO code assigned
Mansfield Municipal is a non-towered airport in Mansfield, MA. Nobody clears you to do anything: you self-announce on the CTAF, 123.0, as Mansfield Municipal Traffic, with the airport name at the start and end of each call. The approach control for the area is Boston Approach on 124.1, which is who you call for VFR flight following.
No Class B, C, D or E surface area is designated for this airport in the FAA data, so the airspace at the surface is Class G.
Frequencies
| CTAFMansfield Municipal Traffic | 123.0 |
|---|---|
| Approach / DepartureBoston Approach | 124.1 |
Airport
- Runways
- 04 · 22 · 14 · 32
- Elevation
- 123 ft
- Position
- 42.001, -71.198
Non-towered airport: self-announce on the CTAF
Sample calls at 1B9
Mansfield Municipal has no operating control tower. Every call below goes out on the CTAF, 123.0, to the other aircraft, not to a controller. The runway shown is 04; use whichever runway the wind and the traffic dictate on the day.
The aircraft is the AIM’s own example, Cessna Three One Six Zero Foxtrot; the squawk codes, altitudes and headings are illustrative. Frequencies, station names and runway numbers are this airport’s, from the FAA data.
- Tune 123.0. Nobody clears you; you announce and you listen. The airport name goes at the start and the end of every call, and the runway is always a number, never "the active" (AIM 4-1-9 g 8).
- YouMansfield Municipal traffic, Cessna Three One Six Zero Foxtrot, taxiing to runway zero four, Mansfield Municipal.
- YouMansfield Municipal traffic, Cessna Six Zero Foxtrot, departing runway zero four, departing the pattern to the north, Mansfield Municipal.
- Announce until you are about 10 miles out; on the way back, start announcing at 10 miles (AIM 4-1-9 c 1, TBL 4-1-1).
- YouMansfield Municipal traffic, Cessna Three One Six Zero Foxtrot, one zero miles south, two thousand five hundred, landing Mansfield Municipal, Mansfield Municipal.
- YouMansfield Municipal UNICOM, Cessna Six Zero Foxtrot, one zero miles south, request wind and runway information, Mansfield Municipal.
- A UNICOM operator, if one is on, answers with the wind and the runway in use (AIM 4-1-9 h). If nobody answers, choose the runway from the wind and the pattern traffic you can hear.
- YouMansfield Municipal traffic, Cessna Six Zero Foxtrot, entering left downwind runway zero four, full stop, Mansfield Municipal.
- YouMansfield Municipal traffic, Cessna Six Zero Foxtrot, left base runway zero four, Mansfield Municipal.
- YouMansfield Municipal traffic, Cessna Six Zero Foxtrot, final runway zero four, full stop, Mansfield Municipal.
- YouMansfield Municipal traffic, Cessna Six Zero Foxtrot, clear of runway zero four, Mansfield Municipal.
If things change. Want flight following after departure? Call Boston Approach on 124.1 once clear of the pattern: identification, type, position, altitude, destination, "request VFR flight following" (AIM 4-1-18 a 3). Do not use "any traffic in the area, please advise"; the AIM says it is not to be used under any condition (AIM 4-1-9 g 1).
Phraseology from AIM 4-1-9 c 1, g 1, g 8, h; TBL 4-1-1; 4-3-3. What TowerTalk grades against →
The calls you will make here
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Frequencies, runways and airspace from the FAA National Airspace System Resources (NASR) 28-day subscription, cycle effective Sep 3, 2026. Training use only. Always verify against a current Chart Supplement and sectional chart before flight; frequencies change. TowerTalk is not affiliated with the FAA. Report a discrepancy.
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