# NTSB MIA83LA107: Stinson 10A, N39431, Miami, FL, March 30, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 30, 1983, 09:55 local (14:55 UTC)
- Place: Miami, FL
- Coordinates: 25.6109, -80.339355 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=25.6109&lon=-80.3394&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30865
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA83LA107
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30865/pdf
- Page: https://openairdocs.org/ntsb/MIA83LA107

## Sequence of events

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

- Loss of control - in flight, takeoff
  - stolen aircraft/unauthorized use - intentional, pilot in command (contributing factor)
  - aircraft handling - improper, pilot in command (cause)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command
- In flight collision with terrain/water, takeoff
- Nose over, takeoff

## Analysis

THE OWNER OF THE ACFT SAID THAT THE PLT WAS NEGOTIATING TO BUY THE ACFT BUT CONDUCTED THIS FLT WITHOUT PROPER AUTHORITY IN THE ACFT THAT WAS NOT AIRWORTHY. THE PLT HAD LANDED THE ACFT EARLIER IN AN EMERGENCY SITUATION DECLARING A LOSS OF OIL PRESSURE AND RPM. AFTER LOOKING THE PLANE OVER AND CHARGING THE BATTERY TO GET THE ACFT STARTED THE PLT TOOK OFF AGAIN AND STRUGGLED HALFWAY AROUND THE TRAFFIC PATTERN IN A SEMI-STALLED STATE UNTIL HE CRASHED AND NOSED OVER.THE PLT GAVE A FICTICIOUS NAME TO AUTHORITIES AND DISAPPEARED. HIS TRUE IDENTITY WAS NOT DETERMINED. THE OWNER SAID THE PLT HAD READ THE ACFT LOGBOOKS AND KNEW THE ACFT WAS NOT AIRWORTHY.

## Aircraft

- Registration: [N39431](https://openairdocs.org/deregistered/N39431-2012-11-14), registration cancelled 2012-11-14, S/N 8231, built 1941 (OpenAirDocs)
- Reported make and model: STINSON 10A
- Registry model: [Stinson 10A](https://openairdocs.org/model/stinson-10a) (registry code 8632102) (OpenAirDocs)
- Registry engine: [Franklin 4AC199D&E series](https://openairdocs.org/engine/franklin-4ac199d-e-series) (registry code 27009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 8231
- Airframe hours: 860
- Engines: FRANKLIN 4AC-199-E3 90 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Mel Marengo
- Airworthiness certificate: Standard, Normal
- Airport: Kendall Gliderport, runway 9, 3,500 × 100 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airplane ratings: single-engine land; medical: unknown, unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 9 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 61 °F
- Altimeter: 30.00 inHg
- Observed at: TMB, 8 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 19830330013979A](https://openairdocs.org/incident/19830330013979A), Mar 30, 1983: Stnson 10ASTNSON, Miami, FL, Destroyed. Pilot flew unairworthy aircraft knowing its condition. Aircraft crashed after takeoff due to engine malfunction.

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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