Tower 1240531 — Johns Island, SC
ConstructedFCC Antenna Structure Registration 1240531 — tower (type not specified) near Johns Island, South Carolina. 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 1240531 is a 10 m (33 ft) tower near Johns Island, Charleston County, South Carolina. Its registration status is constructed, with construction recorded on Jul 2, 2004. It is registered to Charleston County Aviation Authority.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1240531 |
| Unique system identifier | 2639317 |
| Status | Constructed (C) |
| Structure type | Tower (type not specified) (TOWER) |
| Date constructed | Jul 2, 2004 |
| Registration issued | Oct 3, 2003 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 03-ASO-510-NR |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
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
Charleston County Aviation Authority
Charleston, SC · FRN 0009643727
Location
- Address
- Charleston Executive Airport
- City
- Johns Island
- State
- South Carolina
- ZIP
- 29455
- County
- Charleston County
- County FIPS
- 45019
- Coordinates
- 32.70244, -80.00581
Within ~40 km
Nearby structures
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Dismantled
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
Tower (type not specified) · Constructed
How tall is structure 1240531 compared with others?
At 10 m, structure 1240531 is about 14% of the 72 m average across the 236 structures registered in Charleston County. It is about 12% of the South Carolina average of 81 m across 4,407 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 13% of that figure.
The supporting structure itself measures 9 m; antennas and other appurtenances on top bring the overall height above ground to 10 m. The site's filed ground elevation is 5 m, which puts the top of the structure 15 m above mean sea level.
Where is structure 1240531, and what is registered around it?
The registration places the structure near Johns Island in Charleston County, South Carolina, at coordinates 32.70244, -80.00581, with the site address filed as "Charleston Executive Airport". Charleston County has 236 FCC-registered antenna structures, the 4th-largest count among the 46 South Carolina counties with registrations, and 169 of them are marked constructed. South Carolina as a whole has 4,407 registrations, the 18th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Awendaw, SC · 1051231, a tower at 610 m (constructed).
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 1240531 on Oct 3, 2003. Nationally, 141,898 of the 197,833 registrations (71.7%) carry the constructed status, including 3,415 in South Carolina.
Who owns antenna structure 1240531?
The FCC record lists Charleston County Aviation Authority of Charleston, SC as the registered owner, under FCC Registration Number 0009643727.
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 03-ASO-510-NR, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1240531?
Its registered overall height above ground is 10 m (33 ft), and 15 m (50 ft) above mean sea level.
Who owns tower 1240531?
The registered owner is Charleston County Aviation Authority.
Where is antenna structure 1240531?
It is located near Johns Island, Charleston County, South Carolina at Charleston Executive Airport (32.70244, -80.00581). Its status is constructed; it was constructed on Jul 2, 2004.
What type of structure is 1240531?
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 Charleston County, SC?
Charleston County has 236 FCC-registered antenna structures, 169 of them constructed — the 4th-largest count among 46 counties in South Carolina.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1240531, 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 1240531, Johns Island, Charleston County, South Carolina”, https://towercensus.com/towers/south-carolina/johns-island-1240531 (data as of October 20, 2026).