NTSB CAROL · Event
Event DEN80FTM39
Registry · N9198W
FAA Aircraft Registry record.
Make / Model
CESSNA 172R
Year of manufacture
2012
Engine
LYCOMING IO-360-L2A (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20120905
ADS-B equipped
Yes — Mode-S ACBB9F
Registrant of record
OKLAHOMA STATE UNIVERSITY
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Historical record (pre-1982)
NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.
Aircraft
WEATHERLY 201 · N9198W
Damage
None
Craft type
Airplane
Classification
Accident
Light condition
Dawn
Weather
VMC
Phase of flight
DG
Operator type
Part 135 (air taxi/commuter)
Kind of flying
CA
Weather at impact
Sky
CLEAR
Aircraft history
Serial number
000000001033
Total time
842 hrs
Pilot
Certificate
Commercial
Total hours
5,162
Age
23
Investigator remarks
PLT STATED FLAGMAN MOVED INTO ACFT PATH.
Cause factors
- 68/A/K1 A PERSONNEL GROUND SIGNALMAN Cause — pilot/personnel action
Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.
Source: NTSB pre-1982 historical archive. Docket
3 2132.
Source file
NTSB_1980_3_2132.txt.
Modern CAROL record on
data.ntsb.gov ↗.
Beyond the agency record
Search this event elsewhere.
Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.
Entity-clustered aviation events in the press — last 24 hr + 30-day archive.
Official agency record + docket.
Investigative docket: factual reports, photos, transcripts.
Long-running aviation incident database (Flight Safety Foundation).
Community NTSB synthesis blog — often has photos and witness reports.
Gold-standard aviation incident blog.
Aviation industry news search.
GA pilot forum — informed but rumor-prone.
GA pilot subreddit search.
Tail-number page — flight history (free tier limited).
AOPA Air Safety Institute search.
Mainstream press coverage. Recent events only.
Privacy-preserving news search.
External links open in a new tab. We don't ingest their content; we deep-link search queries.
Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Systemic Analysis of Helicopter Instructional Accidents in the United States from 2010 to 2022
A high number of accidents during helicopter training in the United States (U.S.) highlights the need for research to investigate their causal and contributing factors.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Exploring the atmospheric and weather conditions for hoar frost formation at OR Tambo International Airport: A case study of ground aircraft icing events for the period 2017-2023.
Ground aircraft icing has an adverse effect on the aerodynamic performance of aircrafts as well as the efficient operations of airlines and airports.
- Embry-Riddle Scholarly Commons 2023 · Journal article (JAAER)
Safety in Flight Training - An Analysis of the NTSB Data 2014-2018
There were 7,500 safety events in the NTSB data sets from 2013-2018. These events were analyzed using Chi-square, Cramer’s V, and the odds ratio.
- Embry-Riddle Scholarly Commons 2022 · Journal article (JAAER)
A Panel Study of Outsourced Maintenance Impact on Major U.S. Passenger Airlines' Profitability (1995-2019)
This study investigates eight viable United States major passenger airlines' outsourced maintenance impact on profitability between 1995 and 2019 by using panel data analysis.
- NASA NTRS 2019 · Presentation
The Winter 2010 and 2011 FRONT/NIRSS In-Flight Icing Hazard Detection Project
The NASA Icing Remote Sensing System (NIRSS) deploys a vertically-pointing K-band radar, a lidar ceiliometer, and a profiling microwave radiometer to obtain measurements for diagnosing local inflight …
- NASA NTRS 2019 · Conference Proceedings
Selected Papers and Presentations Presented at MODSIM World 2010 Conference and Expo
MODSIM World 2010 was held in Hampton, Virginia, October 13-15, 2010. The theme of the 2010 conference & expo was "21st Century Decision-Making: The Art of Modeling& Simulation".
Browse the full corpus — academia portal ↗