Hiller H-23D accident near Neelyville, Missouri, July 9, 1984
On July 9, 1984 at about 12:00 pm local time, a Hiller H-23D (helicopter), registered N48313, was destroyed in an accident near Neelyville, Missouri. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 9, 1984 · about 12:00 pm local time · cases in 1984
- Place
- Neelyville, Missouri · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Hiller H-23D · all H-23Ds on the register
- Registration
- N48313 · no longer on the register · serial 1213
- Damage
- Destroyed
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
THE ACFT ROLLED OVER DURING AN EMERGENCY LANDING. THE PLT CLAIMED THAT THE ROTOR DISENGAGED AT ABOUT 30 FT AGL DURING TAKEOFF. AFTER THE ACCIDENT THE UPPER HALF OF THE YOKE CONTROL WAS FOUND FRACTURED. A LAB REPORT STATED THAT NO MATERIALDEFECTS WERE RELATED TO THE FAILURE. A VISUAL INSPECTION OF THE CLUTCH ASSEMBLY DID NOT INDICATE ANY REASON TO SUSPECT IT OF FAILURE.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot
- Ratings: single-engine land; rotorcraft: helicopter
- Flight time: 1,637 hours in all; 1,366 in this make and model; 104 in the last 90 days
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 7,355 hours
- Last inspection: annual inspection, June 3, 1984; 53 hours since
- Maximum gross weight: 2,750 lb
- Seats: 1
- Landing gear: fixed
- Engine: Lycoming VO-540 (piston); 0 hours total
The flight
- Departed from: Neelyville MO at 12:00 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 235° at 2 knots
- Visibility: 15 statute miles
- Sky: clear
- Temperature: 72°F (22°C), dew point 64°F (18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under N48313 the same tail number, which may have belonged to a different aircraft at the time
Connections how this case links to the rest of the register
- N48313: not on the register today · the record of its deregistration
- Hiller H-23 8 registered today · the model family and its accident history
- Hiller 242 aircraft on the register
- Engine: Lycoming VO-540 110 aircraft carry this series today · as the NTSB recorded it
- Accidents and incidents in Missouri 1,640 since 1982 · 219 in the last ten years
- Missouri 5,823 aircraft registered
- Other NTSB records under N48313 1 records · the number may have belonged to another aircraft at the time
The whole map of how records connect · these connections as data: /graph/accident/MKC84LA205.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.