# NAICS 4881: Support Activities for Air Transportation

No SBA size standard is recorded for NAICS 4881.

| Field | Value |
| --- | --- |
| Code | 4881 |
| Title | Support Activities for Air Transportation |
| Level | 4 |
| Parent | 488 |
| Size standard | - |
| Footnote | - |

## Description

This industry group comprises establishments primarily engaged in providing services to the air transportation industry. These services include airport operation, servicing, repairing (except factory conversion and overhaul of aircraft), maintaining and storing aircraft, and ferrying aircraft.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/4881/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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