# NTSB FTW87DRA03: Grumman G-164B, N6667Q, Egypt, TX, June 8, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 8, 1987, 14:30 local (19:30 UTC)
- Place: Egypt, TX
- Coordinates: 29.420454, -96.22998 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.4205&lon=-96.2300&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 16, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 22188
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW87DRA03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22188/pdf
- Page: https://openairdocs.org/ntsb/FTW87DRA03

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(partial) - mech failure/malf, maneuvering - aerial application
  - engine assembly,cylinder - cracked (cause)
  - engine assembly,crankshaft - fatigue (cause)
  - fluid,fuel - contamination (contributing factor)
  - fuel system - water (contributing factor)
- Forced landing, descent - emergency
- In flight collision with object, landing - flare/touchdown
  - terrain condition - high vegetation (contributing factor)
  - terrain condition - ditch (contributing factor)
  - terrain condition - none suitable (contributing factor)
- Nose over, landing - flare/touchdown

## Analysis

ACFT EXPERIENCED A POWER LOSS DRNG AN AERIAL APP MANEUVER. DURING THE ENSUING EMERG LNDG, THE LEFT WING STRUCK HIGH WEEDS ON THE SHOULDER OF A ROAD, VEERED LEFT INTO A DITCH, AND FLIPPED OVER. INVESTIGATION REVEALED NO. 7 CYLINDER HAD A PRE-EXISTING CRACK IN ITS DOME. IN ADDITION, FUEL CONTAMINATION, IN THE FORM OF WATER, WAS FOUND IN SUFFICIENT QUANTITY TO AFFECT THE ENG'S ABILITY TO DEVELOP FULL PWR.

## Aircraft

- Registration: [N6667Q](https://openairdocs.org/deregistered/N6667Q-2006-06-12), registration cancelled 2006-06-12, S/N 189B, built 1977 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 189B
- Airframe hours: 4887
- Engines: P&W R-1340-AN-1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Lissie Flying Service
- Registered owner: Lissie Flying Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 11, 1987, 89 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial, flight instructor; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 15,000 total, 8,000 in this make and model, 14,500 as pilot in command, 300 in the last 90 days, 100 in the last 30 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 5 knots
- Visibility: 6 statute miles
- Lowest ceiling: 4,000 ft overcast
- Temperature: 75 °F, dew point 72 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19870608019239A](https://openairdocs.org/incident/19870608019239A), Jun 8, 1987: Scwzer G164B, Egypt, TX, Substantial damage. Engine failed. Aircraft hit a ditch on landing. Nunber 7 cylinder cracked. Water contaiminated fuel had been used.

## Other investigations on N6667Q (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 DFW05CA236](https://openairdocs.org/ntsb/DFW05CA236), Sep 14, 2005: Grumman G-164B (N6667Q), Epps, LA, substantial damage. Probable cause: The pilot's failure to maintain clearance with the power lines.

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.

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