# NTSB DEN84LA204: Grumman G-164A, N5332, Page, ND, June 29, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 29, 1984, 11:30 local (16:30 UTC)
- Place: Page, ND
- Coordinates: 47.150356, -97.570213 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.1504&lon=-97.5702&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16419
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA204
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16419/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA204

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, takeoff - initial climb
  - exhaust system,turbocharger - failure,partial (cause)
  - altitude - inadequate (contributing factor)
- Forced landing, descent - emergency
- In flight collision with object, descent - emergency
  - object - tree(s)

## Analysis

ENGINE SIEZED DURING TAKEOFF CLIMB AT ALT OF APRX 100 FT AGL. ACFT CONTACTED TREES DURING THE FORCED LANDING. EXAMINATION OF ENGINE TURBO SECTION REVEALED THE BLOWER SECTION HAD SEPARATED AS A RESULT OF BEARING FAILURE. ACCORDING TO A MECHANIC WHO DISASSEMBLED THE TURBO SECTION, THE BALL BEARING RACE HAD DISINTEGRATED ALLOWING THE INTERNAL GEARS OF THE UNIT TO MISALIGN.

## Aircraft

- Registration: [N5332](https://openairdocs.org/deregistered/N5332-2014-10-27), registration cancelled 2014-10-27, S/N 612, built 1969 (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: 162
- Airframe hours: 2926
- Engines: P&W R985-14B 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Timothy L. Mcpherson
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 11, 1984, 170 hours before
- Departed: PVT, PAGE, ND

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 3,400 total, 1,800 in this make and model, 3,220 as pilot in command, 300 in the last 90 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 7 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °F
- Altimeter: 30.00 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 19840629029279A](https://openairdocs.org/incident/19840629029279A), Jun 29, 1984: Scwzer G164A, Page, ND, Substantial damage. Engine quit on takeoff climb. Turbo section ball bearing race disintegrated, caused gear failure.

## Other investigations on N5332 (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 DEN84LA253](https://openairdocs.org/ntsb/DEN84LA253), Aug 17, 1984: Grumman G-164A (N5332), Arthur, ND, substantial damage
- [NTSB FTW72FRA09](https://openairdocs.org/ntsb/FTW72FRA09), Sep 3, 1971: Grumman G-164A (N5332), Navasota, TX, 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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