When is the NTSB report released? Preliminary vs final
Every aviation accident in the news produces the same search wave: first the tail number, then "NTSB report," then — weeks later, from people who checked too early and gave up — "why isn't the report out?" The answer is that there isn't one report; there's a sequence, on a fairly predictable clock.
Here's the timeline, what each document contains, and how to stop checking manually.
The sequence
An investigation produces documents in this order:
- 1
Accident record opens — days
The event appears in the NTSB system with basic facts: aircraft, location, date, injuries. AvDB surfaces new records as they post.
- 2
Preliminary report — typically 2 to 5 weeks
First factual narrative: what's known so far, no cause analysis. High-profile accidents sometimes post faster.
- 3
Factual updates & dockets — months
Investigations accumulate interviews, data, and exam results; major cases open public dockets along the way.
- 4
Final report with probable cause — usually 12 to 24 months
The analysis and probable-cause finding. Complex or high-profile investigations can run longer.
Reading each stage honestly
The preliminary answers "what happened" in the narrowest factual sense and deliberately avoids "why" — treating early facts as cause is the classic mistake in post-accident discourse. The final report is where the board commits to analysis and probable cause, with the pilot's experience, the aircraft's maintenance state, and the sequence of events weighed together.
In AvDB, the full report content is readable in the app as it exists at each stage — summary, factual, analysis, probable cause, pilot information — joined to the aircraft's registry record and the owner at the time.
Stop checking — get told
If you're waiting on a specific investigation — your airport, a type you fly, an aircraft you knew — favorite the aircraft in AvDB. New NTSB records against a favorited tail land in your Change Log with a badge, alongside ownership and registration changes. The report finds you the day it posts, instead of you re-running the search for a year.
Frequently asked questions
How long after a crash is the NTSB preliminary report released?+
Typically two to five weeks. It's factual only — no cause. High-profile accidents sometimes post sooner.
How long until the final NTSB report?+
Most general-aviation finals arrive 12–24 months after the accident; complex airline investigations can take longer. The probable-cause finding is in the final, not the preliminary.
How can I be notified when a report posts?+
Favorite the aircraft in AvDB — new NTSB records against that tail appear in your Change Log automatically, badged by type.
Run it in AvDB
The whole federal record, one search box
Every lookup in this guide is a single search in AvDB — free to download, with free searches every month.