# NTSB SEA85LA098: Grumman G-164A, N5285, Kendrick, ID, April 26, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 26, 1985, 10:30 local (18:30 UTC)
- Place: Kendrick, ID
- Coordinates: 46.640979, -116.540618 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.6410&lon=-116.5406&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- ADs cited in the narratives: [AD 76-13-10](https://openairdocs.org/ad/76-13-10) (OpenAirDocs)
- NTSB case key (mKey): 40147
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA098
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40147/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA098

## Sequence of events

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

- Main gear collapsed, landing - flare/touchdown
  - landing gear,main gear - undetermined (cause)
- Loss of control - on ground/water, landing - roll
  - directional control - not possible
  - ground loop/swerve - uncontrolled
- Nose over, landing - roll

## Analysis

THE PLT STATED THAT HE HAD COMPLETED A SPRAY APPLICATION & WAS MAKING A NORMAL LANDING WHEN THE LEFT MAIN GEAR FAILED. SUBSEQUENTLY, THE ACFT VEERED OFF THE LEFT SIDE OF THE RWY & NOSED OVER. AD 76-13-10, PERTAINING TO A DYE PENETRANT INSPECTION OF THE MAIN GEAR, HAD BEEN COMPLIED WITH.

## Aircraft

- Registration: [N5285](https://openairdocs.org/deregistered/N5285-2006-09-12), registration cancelled 2006-09-12, S/N 565, built 1968 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (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: 565
- Airframe hours: 6300
- Engines: P&W R-985-AN1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Heimgartner Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: 100 hour, January 20, 1985, 87 hours before
- Airport: Heimgartner

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 3,300 total, 2,900 as pilot in command, 100 in the last 90 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 64 °F
- Altimeter: 29.00 inHg

## 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 19850426015089A](https://openairdocs.org/incident/19850426015089A), Apr 26, 1985: Scwzer G164A, Kendrick, ID, Substantial damage. The left main gear collapsed on landing. Overstress caused by a hard landing or side load on gear.

## Other investigations on N5285 (2)

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 SEA87LA121](https://openairdocs.org/ntsb/SEA87LA121), Jun 24, 1987: Grumman G-164A (N5285), Viola, ID, substantial damage
- [NTSB DEN69F0161](https://openairdocs.org/ntsb/DEN69F0161), Jan 6, 1969: Grumman G-164A (N5285), Snowville, UT, substantial damage

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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