Tower 1252881 — Helena, MT
ConstructedFCC Antenna Structure Registration 1252881 — tower (type not specified) near Helena, Montana. Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole.
At a glance
FCC Antenna Structure Registration 1252881 is a 15 m (51 ft) tower near Helena, Lewis and Clark County, Montana. Its registration status is constructed, with construction recorded on Nov 1, 2006. It is registered to Lewis & Clark County Sheriff, which holds 2 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1252881 |
| Unique system identifier | 2652045 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Nov 1, 2006 |
| Registration issued | Apr 11, 2006 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2005-ANM-2670-OE |
| FAA circular | 70/7460-1K |
| Painting / lighting spec | 4, 5, 12 |
| Marking / lighting code | FAA Style A (9) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
Helena, MT · FRN 0005770490
Holds 2 FCC structure registrations — view the full portfolio →
Location
- Address
- Nob Hill
- City
- Helena
- State
- Montana
- ZIP
- 59601
- County
- Lewis and Clark County
- County FIPS
- 30049
- Coordinates
- 46.57478, -111.98525
Within ~40 km
Nearby structures
- Helena, MT · 1226387105 m
Tower (type not specified) · Canceled
- Helena, MT · 1226391105 m
Tower (type not specified) · Canceled
Tower (type not specified) · Constructed
Antenna tower array (tower 3 of 4) · Constructed
Antenna tower array (tower 1 of 4) · Constructed
Antenna tower array (tower 4 of 4) · Constructed
How tall is structure 1252881 compared with others?
At 15 m, structure 1252881 is about 41% of the 38 m average across the 91 structures registered in Lewis and Clark County. It is about 29% of the Montana average of 53 m across 1,459 registrations. Among the 75,198 registrations nationwide filed under the same structure-type code (TOWER), the average overall height is 76 m, so this one is about 20% of that figure.
The site's filed ground elevation is 1,326 m, which puts the top of the structure 1,341 m above mean sea level.
Where is structure 1252881, and what is registered around it?
The registration places the structure near Helena in Lewis and Clark County, Montana, at coordinates 46.57478, -111.98525, with the site address filed as "Nob Hill". Lewis and Clark County has 91 FCC-registered antenna structures, the 2nd-largest count among the 56 Montana counties with registrations, and 60 of them are marked constructed. Montana as a whole has 1,459 registrations, the 39th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Helena, MT · 1226387, a tower at 105 m (canceled).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1252881 on Apr 11, 2006. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 1,057 in Montana.
Who owns antenna structure 1252881?
The FCC record lists Lewis & Clark County Sheriff of Helena, MT as the registered owner, under FCC Registration Number 0005770490. Across the registry it holds 2 structure registrations, including 2 in Montana. Its most common filed structure-type code is TOWER (2 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2005-ANM-2670-OE and FAA Advisory Circular 70/7460-1K, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 9, is listed on the FCC registration form as "FAA Style A". The painting and lighting specification on file cites FAA chapters 4, 5, 12.
Frequently asked questions
How tall is antenna structure 1252881?
Its registered overall height above ground is 15 m (51 ft), and 1,341 m (4,401 ft) above mean sea level.
Who owns tower 1252881?
The registered owner is Lewis & Clark County Sheriff, which holds 2 FCC antenna structure registrations.
Where is antenna structure 1252881?
It is located near Helena, Lewis and Clark County, Montana at Nob Hill (46.57478, -111.98525). Its status is constructed; it was constructed on Nov 1, 2006.
What type of structure is 1252881?
It is filed with the FCC under structure-type code TOWER, which decodes to "Tower (type not specified)". Filed under the FCC's older general tower code, which does not record whether the tower is guyed, lattice or a monopole. 75,198 registrations nationwide use the same code.
How many antenna structures are registered in Lewis and Clark County, MT?
Lewis and Clark County has 91 FCC-registered antenna structures, 60 of them constructed — the 2nd-largest count among 56 counties in Montana.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1252881, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 20, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1252881, Helena, Lewis and Clark County, Montana”, https://towercensus.com/towers/montana/helena-1252881 (data as of October 20, 2026).