# Accident 20160721011379A: Grumman Acft Eng Cor-Schweizer G-164A, Topeka, KS, July 21, 2016

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 21, 2016, 07:00 local time
- Place: Topeka, KS
- Airport: Topeka, Billard
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: Agricultural (Part 137)
- Operator: 6HAG
- Location: 39.0628° N, 95.5844° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=39.0628&lon=-95.5844&mi=10
- Aircraft: N7997, a cancelled registration (https://openairdocs.org/deregistered/N7997-2018-02-14) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164A (registry code 3952801, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (OpenAirDocs)
- Reported make and model: GRUMMAN ACFT ENG COR-SCHWEIZER G-164A
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 752 total, 75 in this make and model, 134 in the last 90 days
- NTSB investigation: [NTSB CEN16CA277](https://openairdocs.org/ntsb/CEN16CA277) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20160721011379A

## Narrative

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

ON JULY 21, 2016 AT APPROXIMATELY 0700 LOCAL TIME (1200 UTC), THE AIRMAN, HOLDER OF A COMMERCIAL PILOT?S CERTIFICATE, WAS INVOLVED IN AN AIRCRAFT ACCIDENT WHILE CONDUCTING AERIAL APPLICATION OPERATIONS IN THE VICNITY OF GRANTVILLE, KS.  VISUAL METEOROLOGICAL CONDITIONS PREVALIED AT THE TOPEKA BILLARD AIRPORT (KTOP), LOCATED APPROXIMATELY THREE AND A HALF MILES TO THE SOUTHWEST OF THE ACCIDENT SITE; CLEAR SKIES AND SURFACE WINDS FROM THE SOUTHWEST AT NINE KNOTS WERE REPORTED.  PURSUANT TO THE AIMMAN?S VERBAL STATEMENT, DURING THE PROCESS OF AERIAL APPLICATION IN A NORTH/SOUTH DIRECTION, THE AIRMAN IDENTIFIED AND ATTEMPTED TO AVOID FLYING INTO A SMALL ELECTRICAL SERVICE POWER LINE.  IN THE AIRMAN?S ATTEMPT TO MANEUVER THE AIRCRAFT TO AVOID THE POWER LINE, THE AIRCRAFT?S PROPELLOR CAUGHT THE WIRE AND SLUNG IT ACROSS THE LEFT WING DAMAGING THE LEADING EDGE AND THE TRAILING EDGE JUST OUTBOARD OF THE LEFT AILERON.  THE AIRMAN WAS ABLE TO MAINTAIN CONTROLLED FLIGHT AND PROCEEDED TO A PRIVATE GRASS AIRPORT WHERE THE AIRMAN LANDED THE AIRCRAFT SAFELY.  THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE AS A RESULT OF IT IMPACTING THE POWER LINE; THE AIRMAN, THE SOLE OCCUPANT, WAS NOT INJURED.

## 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 CEN16CA277](https://openairdocs.org/ntsb/CEN16CA277), Jul 21, 2016: Grumman Acft ENG Cor-Schweizer G 164A (N7997), Topeka, KS, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a wire during an agricultural flight.

## Other reports on N7997 (1)

Matched to the same aircraft by N-number and date.

- [Accident 19850609023619A](https://openairdocs.org/incident/19850609023619A), Jun 9, 1985: Scwzer G164A (N7997), Kendrick, ID, Substantial damage. Bearings for supercharger worn, unit failed. Emergency landing in muddy field. Aircraft nosed over onto its back.

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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