# NTSB ATL86LA206: Cessna 150, N4519U, Surfside Beach, SC, July 23, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 23, 1986, 11:45 local (15:45 UTC)
- Place: Surfside Beach, SC
- Coordinates: 33.689579, -78.890602 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.6896&lon=-78.8906&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 7156
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86LA206
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7156/pdf
- Page: https://openairdocs.org/ntsb/ATL86LA206

## 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, maneuvering
  - ignition system,magneto - worn (cause)
  - maintenance - improper, other maintenance personnel (cause)
- Forced landing, descent - emergency
- In flight collision with object, landing
  - object - tree(s)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

DURING FIRST BANNER TOW OF THE DAY, PLT REPORTED THAT THE ENG LOST POWER DURING INITIAL CLIMB AFTER THE BANNER WAS HOOKED. THE BANNER WAS RELEASED AND ACFT DESCENDED INTO TREES 1 MILE FROM THE PICK-UP POINT. INSPECTION OF THE ENG CONFIRMED A MAGNETO IGNITION SYSTEM MALFUNCTION DUE TO EXCESSIVE WEAR.

## Aircraft

- Registration: N4519U (not matched to a registry record)
- Reported make and model: CESSNA 150
- Category: Airplane
- Serial number: 15060519
- Airframe hours: 2800
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Destroyed
- Flight: Other work use, Part 91
- Registered owner: John C. Thrower
- Airworthiness certificate: Standard, Normal; Standard, Utility
- Last inspection: Annual, March 1, 1986
- Departed: SC28, JAVIKA, SC

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 320 total, 320 in this make and model, 270 as pilot in command, 91 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 91 °F, dew point -0 °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 19860723035559A](https://openairdocs.org/incident/19860723035559A), Jul 23, 1986: Cessna STC150, Surfside Beach, SC, Destroyed. The engine failed during banner pickup. Aircraft struck trees during forced landing. Magneto found malfunctioning.

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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