top of page
Safety Management System


Emergency Response Plan (ERP): Be Ready for the Day You Hope Never Comes
Every operator hopes the Emergency Response Plan (ERP) is something that never has to be used. But that doesn’t mean it should be left to gather dust on a shelf . An ERP must be simple, practical, and tailored to your operation. When a crisis hits, clarity matters more than complexity. Emergency Response Plan — clear roles, calm action, and coordinated response when it matters most. Keep It Simple — Start Small and Build Too many operators make the mistake of starting with
Margrét Hrefna Pétursdóttir
Nov 5, 20252 min read


Safety Promotion: Turning Reporting into Learning
Safety Promotion is one of the four pillars of a Safety Management System, and in practice, it’s the pillar that gives life to all the others . It’s how safety becomes visible, meaningful, and trusted across the organization. Without effective safety promotion, even the best safety reports risk ending up in a drawer. Safety Promotion – the pillar of communication and feedback Closing the Loop with Feedback Every occurrence report deserves feedback . Not “when time allows” — a
Margrét Hrefna Pétursdóttir
Nov 3, 20253 min read


Safety Performance Indicators: Turning Data into Meaning
In the last article, we discussed the purpose and value of Safety Performance Indicators (SPIs) how they show whether safety controls are working as intended. Today, let’s take that one step further: how to build and calculate SPIs that actually reflect your operation. Ten key indicators — monitoring what truly matters in aviation safety Choosing the Right Safety Performance Indicators There are many ways to structure SPIs, but I’ve always believed in starting with the bas
Margrét Hrefna Pétursdóttir
Oct 31, 20254 min read


Safety Performance Indicators: Measuring What Matters in Aviation Safety
Safety Assurance monitors whether safety controls work as intended. Safety Performance Indicators (SPIs) show how well they work. SPIs turn complex operational data into measurable insight. They make safety performance visible, and that visibility is what allows organizations to make informed, timely decisions. Safety Performance Indicators — the pulse check of your safety system. What Are Safety Performance Indicators? Safety Performance Indicators are measurable metrics u
Margrét Hrefna Pétursdóttir
Oct 29, 20253 min read


Safety Assurance: Monitoring the Health of Your Safety System
In aviation, hazard identification tells us what could go wrong. Safety assurance tells us whether our defenses are working. Safety assurance is the third pillar of the Safety Management System (SMS). It verifies that the organization’s safety processes are functioning as intended, not just on paper, but in daily operations. When done well, it turns safety management from reactive problem-solving into continuous improvement. The Safety Assurance pillar — verifying that your
Margrét Hrefna Pétursdóttir
Oct 27, 20252 min read


Reactive Hazard Identification: Mandatory Occurrence Reporting
Doing What’s Required EU Regulation 376/2014 sets out what must be reported through the Mandatory Occurrence Reporting (MOR) system. Most operators comply, and that’s a good thing. It’s the backbone of reactive hazard identification. When something significant happens, an aircraft system malfunction, a runway incursion, a loss of separation, the MOR process ensures it’s documented, analyzed, and shared across the system. That’s how we learn from what has already happened. B
Margrét Hrefna Pétursdóttir
Oct 24, 20252 min read


Safety Policy: More Than Just a Tick in the Box
Every operator has a Safety Policy. It is a requirement, after all. But in my experience at Glacier Aviation Consulting, when assisting...
Margrét Hrefna Pétursdóttir
Sep 22, 20252 min read


Part-145 SMS: On Paper vs. In Practice
In December 2024, the requirement for Safety Management Systems in Part-145 organisations became mandatory. The intention is clear:...
Margrét Hrefna Pétursdóttir
Aug 27, 20252 min read


Myth Buster: Passing an Audit Means Your SMS Works
Myth: “If your SMS passed an audit, it must be working.” Fact: Passing an audit doesn’t always mean your Safety Management System (SMS)...
Margrét Hrefna Pétursdóttir
May 23, 20251 min read


Myth Buster: “SMS Is Just Paperwork
One of the most persistent myths in aviation is this: “Safety Management Systems (SMS) are just red tape—they don’t actually make flying...
Margrét Hrefna Pétursdóttir
May 17, 20251 min read
bottom of page
