# Accident 19990319002289A: Grumav STCG164, Bay Springs, MS, March 19, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 19, 1999, 14:50 local time
- Place: Bay Springs, MS
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: ZMIG
- Location: 31.9808° N, 89.2806° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=31.9808&lon=-89.2806&mi=10
- Aircraft: N3629T (not matched to a registry record)
- Reported make and model: GRUMAV STCG164
- Reported engine: GARRTT TPE3316252M
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 5,620 total, 2,250 in this make and model, 390 in the last 90 days
- NTSB investigation: [NTSB ATL99LA055](https://openairdocs.org/ntsb/ATL99LA055) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990319002289A

## Narrative

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

ACFT LOST POWER DURING AERIAL APPLICATION AND CAME TO REST IN SOME TREES, OTHER CIRCUMSTANCES ARE UNKNOWN. (.19)ON MARCH 19, 1999, AT 1600 EASTERN STANDARD TIME, A GRUMMAN 164B, N3629T, COLLIDED WITH TREES DURING AN EMERGENCY LANDING, FOLLOWING A LOSS OF ENGINE POWER IN BAY SPRINGS, MISSISSIPPI.  THE AIRPLANE WAS OPERATED BY PAYNE'S FLYING SERVICE, INC., UNDER THE PROVISIONS OF TITLE 14 CRR PART 137, AND VISUAL FLIGHT RULES.  VISUAL METEOROLOGICAL CONDITIONS PREVAILED, AND NO FLIGHT PLAN WAS FILED FOR THE LOCAL AERIAL APPLICTION FLIGHT.  THE PILOT WAS INJURED AND THE AIRPLANE SUSTAINED SUBSTANTIAL DAMAGE.  THE FLIGHTS' EXACT DEPARTURE TIME FROM THE PRIVATE AIRSTRIP IN PELAHATCHIE, MISSISSIPPI, WAS NO DERERMINED.  ACCORDING TO THE FAA, THE AIRPLANE WAS IN A TURN AT LOW ALTITUDE, ACTIVELY SPRAYING CHEMICALS ON A STAND OF TREES, WHEN THE ENGINE LOST POWER.  THE PILOT ATTEMPED AN EMERGENCY LANDING, AND COLLIDED WITH THE TREES. (.4) THE PILOT WAS MANEUVERING AT A LOW ALTITUDE SPRAYING CHEMICALS ON A STAND OF TREES, WHEN THE ENGINE LOST POWER.  THE PILOT SELECTED AN AREA FOR AN OFF-AIRPORT  FORCED LANDING. THE AIRPLANE COLLIDED WITH TREES DURING THE ATTEMPTED FORCED LANDING. THE ENGINE  EXAMINATION REVEALED AN INTERNAL GEARBOX FAILURE, AND METAL DEBRIS, RECOVERED FROM THE OUTPUT HOUSING AT THE FORWARD SCAVENGE STRAINER. THERE WERE ALSO BEARING REMAINS RECOVERED FROM THE GEARBOX ASSEMBLY. THE EXAMINATION OF THE FUEL CONTROL DRIVE TRAIN REVEALED THAT THE INTERMEDIATE GEAR HAD UNCOUPLED FROM THE DUAL IDLER GEAR AND THERE WAS A BEARING FAILURE AT THE INTERMEDIATE GEAR. THE OIL FILTER AND CHIP DETECTOR WERE REMOVED AND BOTH WERE CONTAMINATED WITH METAL PARTICLES.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                (-23) PILOT STATED THAT AIRCRAFT LOST POWER WHILE MANEUVERING AT LOW ALTITUDE AND WENT DOWN IN HEAVY TIMBER. AICRAFT ENGINE IS BEING EXAMINED FOR MALFUNCATION.

## 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 ATL99LA055](https://openairdocs.org/ntsb/ATL99LA055), Mar 19, 1999: Schweizer G-164B (N3629T), Bay Springs, MS, substantial damage. Probable cause: THE FUEL CONTROL DRIVE BEARING FAILURE AT THE INTERMEDIATE GEAR RESULTED IN FUEL STARVATION AND THE SUBSEQUENT LOSS OF ENGINE POWER.

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.

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