# NTSB MIA84LA211: Piper PA-36-285, N57593, Bainbridge, GA, July 25, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 25, 1984, 17:00 local (21:00 UTC)
- Place: Bainbridge, GA
- Location: 30.9049° N, 84.5730° W: Placed by OpenAirDocs: center of Bainbridge, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.9049&lon=-84.5730&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): 31161
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA84LA211
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31161/pdf
- Page: https://openairdocs.org/ntsb/MIA84LA211

## Sequence of events

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

- Airframe/component/system failure/malfunction, takeoff - initial climb
  - propeller system/accessories,hub - failure,total (cause)
  - propeller system/accessories,hub - fatigue (cause)
  - propeller system/accessories,blade - separation (cause)
  - remedial action - not possible, pilot in command
- Loss of engine power(total) - mech failure/malf, takeoff - initial climb
  - engine assembly,cylinder - separation
- Forced landing, descent - emergency
- On ground/water collision with object, landing - flare/touchdown
  - object - tree(s)

## Analysis

SHORTLY AFTER TAKEOFF AT ABOUT 150 FT AGL THE PROPELLER HUB FAILED ALLOWING ONE PROPELLER BLADE TO SEPARATE FROM THE ACFT. THE PILOT FLEW THE FORCED LANDING STRAIGHT AHEAD INTO TREES. METALLURGICAL EXAMINATION OF THE HUB REVEALED EVIDENCE OF A FATIGUE FRACTURE IN THE FORWARD HALF OF THE HUB.

## Aircraft

- Registration: [N57593](https://openairdocs.org/deregistered/N57593-2013-06-27), registration cancelled 2013-06-27, S/N 36-7560128, built 1975 (OpenAirDocs)
- Reported make and model: PIPER PA-36-285
- Registry model: [Piper PA-36-285](https://openairdocs.org/model/piper-pa-36-285) (registry code 7103610) (OpenAirDocs)
- Registry engine: [Continental 6-285-A](https://openairdocs.org/engine/continental-6-285-a) (registry code 17038, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 36-7560128
- Airframe hours: 2482
- Engines: LYCOMING IO-720-A1B 375 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: Potter Flyers Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 30, 1984, 51 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: center; flight hours: 2,500 total, 2,000 in this make and model, 200 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 90 °F, dew point 73 °F
- Altimeter: 30.00 inHg
- Observed at: DHN, 24 nm away

## 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 19840725034929A](https://openairdocs.org/incident/19840725034929A), Jul 25, 1984: Piper PA36285, Bainbridge, GA, Destroyed. Loud bang, vibration and ol on the windshield on takeoff climb. Crash landed in trees. Propeller hub broke off.

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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