Advisory Circular (AC) 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved Under TSO-C151a for Part 23 Airplanes

---
identifier: "/us/fr/00-16331"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Advisory Circular (AC) 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved Under TSO-C151a for Part 23 Airplanes"
title_number: 0
title_name: "Federal Register"
section_number: "00-16331"
section_name: "Advisory Circular (AC) 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved Under TSO-C151a for Part 23 Airplanes"
positive_law: false
currency: "2000-06-28"
last_updated: "2000-06-28"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Transportation Department"
document_number: "00-16331"
document_type: "notice"
publication_date: "2000-06-28"
agencies:
  - "Transportation Department"
  - "Federal Aviation Administration"
fr_citation: "65 FR 39977"
fr_volume: 65
docket_ids:
  - "AC 23-18"
fr_action: "Notice of issuance of Advisory Circular (AC)."
---


#  Advisory Circular (AC) 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved Under TSO-C151a for Part 23 Airplanes

**AGENCY:**

Federal Aviation Administration, DOT.

**ACTION:**

Notice of issuance of Advisory Circular (AC).

**SUMMARY:**

This notice announces the issuance of Advisory Circular (AC) 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved Under TSO-C151a for Part 23 Airplanes. This AC establishes an acceptable means, but not the only  means, of obtaining FAA airworthiness approval for the installation of a TAWS that has been approved under Technical Standard Order (TSO)-C151a, Terrain Awareness and Warning System, in a Part 23 airplane.

**DATES:**

On June 14, 2000, the Small Airplane Directorate issued AC 23-18.

*How To Request Copies:* Copies of the AC are available from the U.S. Department of Transportation, Subsequent Distribution Office, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, MD 20785. The advisory circular is also available on the internet at http://www.faa.gov/avr/air/airhome.htm.

Issued in Kansas City, Missouri, on June 20, 2000.

Larry Werth,

Acting Manager, Small Airplane Directorate, Aircraft Certification Service.