# Accident 19990815012069A: Hynes B2B, Jackson, MI, August 15, 1999 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: August 15, 1999, 19:16 local time - Place: Jackson, MI - Damage: Substantial damage - Phase of flight: Pwr Off Vert Land/Autorotate - Operating rules: General operating rules (Part 91) - Location: 41.8508° N, 84.3398° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=41.8508&lon=-84.3398&mi=10 - Aircraft: N2238U, registered now (https://openairdocs.org/aircraft/N2238U) (OpenAirDocs) - Registry model: Brantly B-2B (registry code 1440506, https://openairdocs.org/model/brantly-b-2b) (OpenAirDocs) - Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs) - Reported make and model: HYNES B2B - Fatal injuries: 0 - NTSB investigation: [NTSB CHI99LA292](https://openairdocs.org/ntsb/CHI99LA292) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19990815012069A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. ACFT MADE AN EMERGENCY LANDING AFTER THE ENGINE QUIT, AND THE ACFT SUSTAINED SUBSTANTIAL DAMAGE ON LANDING. (.19) ON AUGUST 15, 1999, AT 1916 EASTERN DAYLIGHT TIME, A BRANTLY B- 2B, N2238U, PILOTED BY A PRIVATE PILOT, WAS DESTROYED DURING A COLLISION WITH THE GROUND DURING A FORCED LANDING AFTER A TOTAL LOSS OF ENGINE POWER. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE 14 CFR PART 91 PERSONAL FLIGHT WAS NOT OPERATING ON A FLIGHT PLAN. THE PILOT REPORTED MINOR INJURIES. THE FLIGHT DEPARTED A RESTRICTED LANDING AREA NEAR JACKSON, MICHIGAN, EXACT TIME UNKNOWN. THE PILOT REPORTED THE HELICOPTER'S ENGINE "...SPUTTERED..." DURING FLIGHT. HE SAID HE DECIDED NOT TO LAND BECAUSE THE ENGINE POWER RETURNED AND APPEARED NORMAL. ACCORDING TO THE PILOT, THE ENGINE STOPPED RUNNING A SHORT TIME AFTER THE FIRST EVENT. THE PILOT SAID HE WAS MAKING AN AUTOROTATION TO A FORCED LANDING WHEN THE HELICOPTER COLLIDED WITH THE GROUND. (-23)^PRIVACY DA^ HAD TAKEN OFF FROM HIS FARM, LOCATED NEXT TO DAY FILED, NAPOLEAN, MI, AND WAS FLYING SOLO ON A LOCAL FLIGHT. WHEN FLYING AT ABOUT 1000 FEET ABOVE THE GROUND, THE ENGINE STARTED TO SPUTTER. ^PRIVACY DA^ WAS TRYING TO DETERMINE THE CAUSE AND MAINTAIN ADEQUATE AIRSPEED TO CONTROL THE HELICOPTER. AT ABOUT 500 FEET ABOVE THE GROUND THE ENGINE QUIT. AN AUTOROTATION WAS ATTEMPTED AND RESULTED IN A HARD LANDING. THE HELICOPTER HIT ITS TAIL ON LANDING AND THE ROTOR BLADES SLICED INTO THE TAIL CONE. THE HELICOPTER ROLLED ON TO ITS LEFT SIDE AND THE MAIN ROTOR BLADES SEPARATED AT THE FLAPPING HING MIDWAY DOWN THE BLADE. THE TAIL ROTOR AND GEAR BOX SEPARATED FROM THE HELICOPTER. PILOT TURNED OFF ELECTRICAL AND FUEL AND CUT SEAT BELT AND EXITED AIRCRAFT. THERE WAS NO FIRE. SUBSEQUENT INVESTIGATION OF THE ENGINE FAILURE SHOWED A MUD DOBBER HAD PLUGGED THE VENT TO THE FUEL SYSTEM. THE FUEL CAP IS NOT VENTED. ## 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 CHI99LA292](https://openairdocs.org/ntsb/CHI99LA292), Aug 15, 1999: Brantly Helicopter B-2B (N2238U), Hudson, MI, substantial damage. Probable cause: was an inadequate preflight and misjudged flare to landing during the autorotation by the pilot. A factor in this accident was a totally blocked fuel tank vent system. ## Other reports on N2238U (1) Matched to the same aircraft by N-number and date. - [Accident 20030308003099A](https://openairdocs.org/incident/20030308003099A), Mar 8, 2003: Hynes B2B (N2238U), Zelienople, PA, Substantial damage. (-23) The operator (only occupant) of the aircraft was not a certified (licensed) helicopter pilot. He explained that as he hovered above the southern end of… 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.