# NTSB ATL84FA252: Boeing A75N1, N1357N, Cumming, GA, August 11, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Field investigation · Final report
- Date: August 11, 1984, 10:30 local (14:30 UTC)
- Place: Cumming, GA
- Location: 34.2061° N, 84.1338° W: Placed by OpenAirDocs: center of Cumming, GA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2061&lon=-84.1338&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6296
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL84FA252
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6296/pdf
- Page: https://openairdocs.org/ntsb/ATL84FA252

## 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
  - fuel system,carburetor - leak (contributing factor)
  - propeller system/accessories,governor - deteriorated (contributing factor)
  - propeller system/accessories,governor - pressure too low (contributing factor)
  - maintenance,inspection - inadequate, other maintenance personnel (contributing factor)
  - maintenance,installation - improper, other maintenance personnel (cause)
- Forced landing, descent - emergency
- In flight collision with terrain/water, landing
  - terrain condition - ditch

## Analysis

THE ACFT EXPERIENCED A PARTIAL PWR LOSS DURING TAKEOFF. THE PILOT RELEASED THE BANNER THE ACFT WAS TOWING, MADE A LEFT TURN INTO A VALLEY AND COLLIDED WITH A DITCH DURING A FORCED LANDING. INVESTIGATION REVEALED MAINTENANCE DEFICIENCIES IN BOTH THE CARBURETOR AND PROPELLER GOVERNOR.

## Aircraft

- Registration: [N1357N](https://openairdocs.org/aircraft/N1357N), registered now, S/N 75-5423, built 1943 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: PT-17
- Airframe hours: 5371
- Engines: P&W R-985-AN-3 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Registered owner: Mcdonald Properties, Inc.E
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 14, 1984, 18 hours before
- Departed: 84A, CUMMING, GA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; seat: rear; flight hours: 11,000 total, 370 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 360° at 6 knots
- Visibility: 11 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 68 °F
- Altimeter: 29.00 inHg
- Observed at: PDK

## 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 19840811039799A](https://openairdocs.org/incident/19840811039799A), Aug 11, 1984: Boeing A75N1, Cumming, GA, Substantial damage. Partial power loss, landed in rough terrain. No gasket between carb and adapter. Prop govenor had worn parts.

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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