help me develop internal audit checklist for a aviation charter company keeping in view ISO standard

1. **Preparation Phase

Define the scope of the audit.

Identify relevant ISO standards (e.g., ISO 9001, ISO 14001, ISO 45001).

Assemble the audit team with qualified personnel.

Schedule the audit and notify relevant stakeholders.

Review previous audit reports and findings.

2. **Documentation Review

Collect and review the company’s quality manual.

Verify the existence of standard operating procedures (SOPs).

Assess compliance with regulatory requirements.

Evaluate records related to training and qualifications of personnel.

Review maintenance and safety records of aircraft.

3. **Audit Planning

Develop an audit plan outlining objectives, scope, and criteria.

Create an audit schedule detailing the timeline and areas to be audited.

Assign roles and responsibilities within the audit team.

Prepare audit checklists based on documented processes and ISO requirements.

4. **Field Audit Execution

Conduct opening meeting with management and staff.

Perform on-site observations of operations.

Interview staff to assess understanding and adherence to procedures.

Collect evidence through document review, observations, and interviews.

Document non-conformities and observations.

5. **Audit Findings

Analyze collected data and evidence.

Classify findings as non-conformities, observations, or areas for improvement.

Prepare an audit report summarizing findings, evidence, and recommendations.

Review findings with the audit team for accuracy.

6. **Closing Meeting

Conduct a closing meeting with management to present findings.

Discuss the implications of findings and potential corrective actions.

Obtain management’s commitment to address identified issues.

7. **Follow-Up Actions

Develop a corrective action plan for non-conformities.

Assign responsibilities and deadlines for corrective actions.

Monitor the implementation of corrective actions.

Schedule a follow-up audit to verify the effectiveness of corrective actions.

8. **Continuous Improvement

Gather feedback from the audit team and stakeholders on the audit process.

Analyze audit performance and identify areas for improvement in the audit process.

Update audit checklists and procedures based on lessons learned.

Ensure ongoing training for audit personnel and relevant staff.

This checklist can serve as a guide for conducting thorough and effective internal audits in accordance with ISO standards for an aviation charter company.