# NTSB MKC90LA139: Grumman G-164A, N5203, Swifton, AR, June 27, 1990

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 27, 1990, 15:30 local (20:30 UTC)
- Place: Swifton, AR
- Coordinates: 35.820415, -91.119796 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.8204&lon=-91.1198&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 28, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 35009
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC90LA139
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35009/pdf
- Page: https://openairdocs.org/ntsb/MKC90LA139

## Probable cause

FAILURE OF THE ENGINE DRIVEN BLOWER ASSEMBLY. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

## 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, takeoff - initial climb
  - eng assembly,blower/impeller/integral supercharger - failure,total (cause)
  - emergency procedure - performed, pilot in command
- Forced landing, descent - emergency
- Nose over, landing
  - terrain condition - none suitable (contributing factor)

## Analysis

THE COMMERCIAL PLT SAID THAT SHORTLY AFTER TAKEOFF, THE ENGINE FAILED, DURING AN AERIAL APPLICATION OPERATION. AN EMERGENY LDG WAS ATTEMPTED, IN A RICE FIELD, WHICH RESULTED IN A NOSE OVER. POST ACCIDENT INVESTIGATION REVEALED THE CAUSE OF THE LOSS OF POWER TO BE AN ENGINE BLOWER FAILURE.

## Aircraft

- Registration: N5203 (not matched to a registry record)
- Reported make and model: GRUMMAN G-164A
- Category: Airplane
- Serial number: 1125
- Airframe hours: 3627
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Southland Flying Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, February 17, 1990
- Departed: NONE

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 58; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 14,000 total, 8,000 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 5 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 91 °F, dew point -0 °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 19900627023909A](https://openairdocs.org/incident/19900627023909A), Jun 27, 1990: Scwzer G164A, Swifton, AR, Substantial damage. Engine failed on climbout. Nosed over on hard forced landing. Engine blower had failed.

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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