# NTSB MIA84LA113: Cessna 172M, N1242U, Clearwater, FL, March 16, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 16, 1984, 18:16 local (23:16 UTC)
- Place: Clearwater, FL
- Location: 27.9794° N, 82.7713° W: Placed by OpenAirDocs: center of Clearwater, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.9794&lon=-82.7713&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 31100
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA84LA113
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/31100/pdf
- Page: https://openairdocs.org/ntsb/MIA84LA113

## 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, landing
  - touch-and-go - initiated, pilot in command
  - throttle/power lever,linkage - disconnected (cause)
- Forced landing, landing
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

THE AIRCREW WERE PRACTICING TOUCH & GO LANDINGS WHEN A LOSS OF POWER OCCURRED. SUBSEQUENTLY, THE ACFT WAS DAMAGED DURING AN EMERGENCY LANDING IN A FIELD. AN INVESTIGATION REVEALED THAT THE THROTTLE LINKAGE HAD BECOME DISCONNECTED AT THE CARBURETOR SUPPORT FITTING.

## Aircraft

- Registration: [N1242U](https://openairdocs.org/aircraft/N1242U), registered now, S/N 17266937, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17266937
- Airframe hours: 3454
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Royal Sons Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 5, 1983, 20 hours before
- Airport: St Petersburg-Clearwater, runway 9, 5,165 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 17,000 total, 2,000 in this make and model, 15,000 as pilot in command, 75 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 120° at 10 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: PIE, 5 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 19840316007379A](https://openairdocs.org/incident/19840316007379A), Mar 16, 1984: Cessna 172M, Clearwater, FL, Substantial damage. Crash occurred during emergency landing after throttle linkage separation.

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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