The Office of Airports Compliance and Field Operations is a division within the Federal Aviation Administration (FAA) in the United States. The primary role of this office is to ensure that airports in the country comply with federal regulations, guidelines, and standards related to airport safety, security, and environmental concerns.

Some of the key responsibilities of the Office of Airports Compliance and Field Operations include:

1. Conducting inspections and audits: The office conducts regular inspections and audits of airports to verify compliance with federal regulations, including those related to airport safety, security, and environmental protection.
2. Providing technical assistance: The office provides technical assistance and guidance to airports to help them understand and comply with federal regulations and guidelines.
3. Investigating complaints: The office investigates complaints and allegations of non-compliance with federal regulations and takes enforcement action as necessary.
4. Monitoring airport compliance: The office monitors airports' compliance with federal regulations, including those related to airport operations, maintenance, and construction.
5. Developing and implementing policies: The office develops and implements policies and procedures related to airport compliance and enforcement.

The Office of Airports Compliance and Field Operations plays a critical role in ensuring that airports in the United States operate safely, securely, and in an environmentally responsible manner. By enforcing federal regulations and providing technical assistance, the office helps to protect the public and the environment, while also promoting the overall safety and efficiency of the national airspace system.

In the context of aviation and aerospace, the Office of Airports Compliance and Field Operations is an important component of the FAA's overall regulatory framework, working to ensure that airports meet the highest standards of safety, security, and environmental responsibility.