NTSB CAROL · Event
Event DEN86FA175
Aircraft involved
Factual narrative
N40443 WAS CONTRACTED BY THE WYOMING DEPT OF AG TO SPRAY GRASSHOPPERS. INVESTIGATION REVEALED THE PLT HELD A PVT CERTIFICATE WITH ASMEL RATINGS. HIS MEDICAL CERTIFICATE WAS DENIED BECAUSE HE FAILED TO PROVIDE INFORMATION CONCERNING HIGH BLOOD PRESSURE AND ALCOHOLISM. CO-PLT HELD A COMMERCIAL CERTIFICATE WITH ASEL RATING. NO EVIDENCE WAS FOUND TO INDICATE THAT EITHER PLT HAD ANY OPERATING EXPERIENCE IN THE MARTIN 404 ACFT. FORMER EMPLOYEES OF OPERATOR STATED THAT N40443 WAS NOT WELL MAINTAINED. THE ADI SYSTEM AND INTERIOR LIGHTS WERE INOP. WEIGHT OF ACFT AT THE TIME OF ACCIDENT WAS CALCULATED TO BE 44,492 POUNDS. THE MAX GROSS TOTAL WEIGHT FOR A 'DRY' TAKEOFF FROM A 4,500 FOOT RWY WAS APPROXIMATELY 37,900 POUNDS. THE FLT MANUAL PERFORMANCE CHARTS INDICATE THAT A RWY LENGTH OF OVER 5,500 FEET WOULD BE NEEDED FOR AN ACFT AT 44,492 POUNDS. THE ACFT COLLIDED WITH A DIRT BANK DURING TAKEOFF. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1986_DEN86FA175.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket 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.
- NASA NTRS 2019 · Contractor Report (CR)
Aircraft Engine Sump Fire Mitigation
An investigation was performed of the conditions in which fires can result and be controlled within the bearing sump simulating that of a gas turbine engine; Esso 4040 Turbo Oil, Mobil Jet 2, and Mons…
- Embry-Riddle Scholarly Commons 2016 · Journal article (IJAAA)
A cross-sectional investigation of the relationships education, certification, and experience have with knowledge, skills, and abilities among aviation professionals
The aviation industry is a complex system with many different segments and as such, makes hiring the right person a complicated endeavor.
Browse the full corpus — academia portal ↗