- Aviation accident vs incident: Accidents involve fatal injuries, serious harm, or substantial damage.
- Incident definition: An occurrence that does not meet the severity criteria of an accident.
- Reporting timeline: Notify authorities within 10 days for accidents; serious incidents require notification only if requested.
- Source reference: All definitions and timelines are located in NTSB 830.2.
- Preserve wreckage: Always secure the scene and prevent tampering after any event.
Defining the Differences
Understanding the distinction between an aviation accident vs incident is fundamental for safety and regulatory compliance. The primary factor separating these two categories is the severity of the outcome regarding people and the aircraft. An accident is the most severe classification, reserved for events resulting in death, serious injury, or substantial damage to the aircraft. An incident encompasses everything else—situations where something happens, but it does not reach the threshold of an accident. This distinction is crucial for determining reporting obligations.
To easily distinguish the two, remember that accidents involve severe outcomes, while incidents are lesser events that could have been worse.
Video Highlights:
- Clear explanation of the timeframe from boarding to disembarking.
- Breakdown of the three subcategories defining an accident.
- Explanation of immediate notification triggers.
Classifying an Accident
To determine if an event qualifies as an accident, you must evaluate three specific subcategories. If any one of these conditions is met, the event is legally classified as an accident. The classification applies from the moment anyone boards the aircraft with the intention of flight until all persons have disembarked.
| Category | Description | Key Criteria |
|---|---|---|
| Fatal Injury | Death resulting from the event. | Any death occurs within 30 days of the accident. |
| Serious Injury | Significant physical harm requiring hospitalization. | Hospitalization > 48 hours within 7 days; major fractures; 2nd/3rd degree burns > 5% of body; severe organ damage. |
| Substantial Damage | Damage that compromises structural integrity or airworthiness. | Failure or major damage to primary components; usually means the aircraft is "totaled" or requires major repair. |
The accident phase covers the entire duration from boarding to disembarking. An event on the ground during engine start can be an accident if it causes substantial damage or serious injury.
Fatal Injury
- Death within 30 days
- Includes passengers and crew
- Highest severity level
Serious Injury
- Hospitalization > 48 hours
- Severe burns or fractures
- Internal organ damage
Substantial Damage
- Structural failure
- Aircraft totaled
- Compromises airworthiness
Understanding Incidents
An incident is essentially a catch-all category for any occurrence that does not meet the strict definition of an accident. These events are less severe but still noteworthy in the context of aviation safety. While they do not automatically trigger the same rigorous reporting requirements as accidents, specific types of incidents must still be documented if requested by authorities.
| Feature | Accident | Incident |
|---|---|---|
| Severity | High (Fatal/Serious/Substantial) | Low to Moderate |
| Reporting | Mandatory immediate notification | Notify only if requested (usually) |
| Impact | Loss of life or airworthiness | Unsafe condition but no major damage |
| Examples | Crash, engine failure causing fire | Engine flameout, minor runway excursion |
Even if an event is classified as an incident, it creates an opportunity to improve safety protocols and prevent future accidents.
Immediate Notification Rules
Knowing when and how to notify the authorities is a critical skill for any pilot. The requirements differ based on the classification of the event. The term "immediate notification" is defined as reporting the information "expeditiously," meaning as quickly as possible using the fastest means available, such as telephone or email.
Determine the Event Type
Assess the situation to see if it fits the criteria for an accident, serious incident, or overdue aircraft.
Check Notification Requirements
Accidents and overdue aircraft require you to initiate contact immediately. Serious incidents generally require notification only if the authorities ask for it.
Submit the Report
Send the notification via the most expeditious method available, adhering to the specific time limits.
Failing to notify authorities within the required timeframe can lead to serious regulatory consequences.
| Event Type | Notification Required | Timeframe | Initiator |
|---|---|---|---|
| Accident | Yes | Within 10 days | Pilot/Operator must notify NTSB |
| Serious Incident | Only if requested | Upon request | NTSB requests, you respond |
| Overdue Aircraft | Yes | Within 7 days of awareness | Pilot/Operator must notify |
| Minor Incident | No | N/A | No action required unless asked |
Post-Event Actions:
- Ensure safety of all persons on board
- Preserve the wreckage and do not tamper with evidence
- Classify the event as accident or incident
- Determine if immediate notification is mandatory
- Submit the report to the appropriate authority if required
Frequently Asked Questions
Q: Where can I find the official definitions for an aviation accident vs incident?
The official definitions, detailed criteria for injuries, and reporting requirements are found in the Code of Federal Regulations, specifically Part 830. It is recommended to tab this section in your AIM for quick reference.
Q: Does damage to landing gear count as substantial damage?
Not always. Minor damage to landing gear, fairings, or antennas that does not affect the structural integrity or flight characteristics of the aircraft typically does not qualify as substantial damage.
Q: What is the difference between a serious incident and a regular incident?
A serious incident involves circumstances that indicate there was a high probability of an accident but did not result in one, such as an in-flight fire or flight control malfunction. Regular incidents are less severe and do not carry the same immediate hazard level.
Q: Who is responsible for preserving the wreckage after an accident?
The operator or pilot is responsible for preserving the wreckage to the fullest extent possible. You must treat the site like a crime scene and prevent tampering until authorities release it.