# Accident 20100805043239A: Dayton Jame JD-2, Hollywood, MD, August 5, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 5, 2010, 10:09 local time
- Place: Hollywood, MD
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 38.3472° N, 76.5750° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.3472&lon=-76.5750&mi=10
- Aircraft: N43015, registered now (https://openairdocs.org/aircraft/N43015) (OpenAirDocs)
- Registry model: Dayton James Leroy JD-2 (registry code 05619CX, https://openairdocs.org/model/dayton-james-leroy-jd-2) (OpenAirDocs)
- Registry engine: Continental 0-200 series (registry code 17020, https://openairdocs.org/engine/continental-0-200-series) (OpenAirDocs)
- Reported make and model: DAYTON JAME JD-2
- Reported engine: ROTEC R2800
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 2,000 total, 350 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB ERA10LA400](https://openairdocs.org/ntsb/ERA10LA400) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100805043239A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

8/5/10  TWO INSPECTORS FROM THE WASHINGTON, D.C. FSDO WERE ASSIGNED TO AN EXPERIMENTAL AIRCRAFT ACCIDENT IN ST. MARY'S COUNTY, MD.  THE INSPECTORS ARRIVED ON SCENE OF MD ROUTE 235 AND CLOVERHILL ROAD AT 13:45 LOCAL TIME. AIRCRAFT  N43015 WAS PARKED ON A CORNER PROPERTY LOT. MR. JAMES DAYTON WAS WITH HIS AIRCRAFT. HE STATED THAT HE HAD EXPERIENCED A SUDDEN INCREASE IN ENGINE RPM AND THEN LOST FORWARD THRUST.  MR DAYTON MADE AN EMERGENCY LANDING ON ROUTE 235 STRIKING A TREE WITH THE RIGHT WING TIP. MR. DAYTON THEN PUSHED THE AIRCRAFT OFF OF ROUTE 235 ONTO A RESIDENTIAL PROPERTY.  RIGHT WINGTIP DAMAGE AND RIGHT WING SPAR DAMAGE AT THE WING TO FUSELAGE ATTACH POINT WERE OBSERVED. THE PROPELLER WAS ABLE TO BE SPUN FREELY WITH NO ENGINE COMPRESSION RESISTANCE NOTED. MR DAYTON WAS ADVISED THAT HE NEEDED TO SUPPLY HIS PHASE II FLIGHT SIGN-OFF, LAST CONDITIONAL INSPECTION FOR THE AIRCRAFT AND HIS LAST BIANNUAL FLIGHT REVIEW TO THE WASHINGTON, D.C. FSDO.8/11/10 TWO INSPECTORS FROM THE WASHINGTON, D.C. FSDO TRAVELED TO ST MARY COUNTY AIRPORT TO OBSERVE MR. DAYTON REMOVE PROPELLER AND HUB ASSEMBLY FROM CRANKSHAFT. THE FIRST OBSERVATION WAS THAT THE CRANKSHAFT TAPERED FLANGE WAS SCORED. CORESPONDING SCORING WAS ALSO OBSERVED INSIDE THE TAPERED PROPELLER HUB FLANGE. A CASTELLATED NUT AND 44MM WASHER SECURED THE HUB FLANGE TO THE CRANKSHAFT. THIS  44MM WASHER WAS EXTREMELY SCORED AND WARPED. ENGINE/PROP HAD 35.0 HOURS AT FAILURE.8/12/10 NTSB WAS NOTIFIED AND SUPPLIED WITH AIRCRAFT PHOTOGRAPHS AND COPIES OF PERTINENT AIRCRAFT, ENGINE LOG BOOK RECORDS AND PILOT STATEMENT.   ^PRIVACY DATA OMITTED^ OF THE NTSB WAS ASSIGNED TO THE CASE.  HE WILL PROVIDE NTSB REPORT TO THE FSDO.  FAA FORM 8020-23 WILL BE UPDATED ONCE THIS REPORT IS RECEIVED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA10LA400](https://openairdocs.org/ntsb/ERA10LA400), Aug 5, 2010: Dayton JD-2 (N43015), Hollywood, MD, substantial damage. Probable cause: The pilot's improper installation of the propeller hub to the engine crankshaft, which resulted in a loss of engine thrust.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.