# NTSB MIA90LA180: Cessna 172M, N6600H, Plymouth, FL, September 7, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 7, 1990, 11:30 local (15:30 UTC)
- Place: Plymouth, FL
- Location: 28.7066° N, 81.5814° W: Placed by OpenAirDocs at ORLANDO APOPKA (X04), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.7066&lon=-81.5814&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report November 9, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 32698
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA90LA180
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/32698/pdf
- Page: https://openairdocs.org/ntsb/MIA90LA180

## Probable cause

THE FAILURE OF THE PILOT TO ARREST THE HIGH RATE OF DESCENT PRIOR TO TOUCHDOWN.

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - flare - improper, pilot in command (cause)

## Analysis

THE PLT STATED THAT THE SIGHTSEEING FLT WAS UNEVENTFUL BUT WHILE ON APPROACH TO LAND, A HIGH SINK RATE DEVELOPED RESULTING IN A HARD LANDING. HE FURTHER STATED THERE WAS NO ENG FAILURE OR MALFUNCTION.

## Aircraft

- Registration: [N6600H](https://openairdocs.org/deregistered/N6600H-2001-09-21), registration cancelled 2001-09-21, S/N 17265502 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17265502
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Orlando Country Aviation, Inc.
- Registered owner: Orlando Country Aviation, Inc
- Airport: X04, Orlando Country, runway 33, 3,000 × 30 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; medical: class 3, expired; flight hours: 120 total, 20 in this make and model, 60 as pilot in command, 1 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 350° at 6 knots
- Visibility: 6 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: -0 °F, dew point -0 °F
- Observed at: ORL, 23 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 19900907042279A](https://openairdocs.org/incident/19900907042279A), Sep 7, 1990: Cessna 172M, Plymouth, FL, Substantial damage. High sink rate on final resulted in a damaging hard landing.

## Other investigations on N6600H (1)

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.

- [NTSB MIA96LA184](https://openairdocs.org/ntsb/MIA96LA184), Jul 16, 1996: Cessna 172M (N6600H), Orlando, FL, substantial damage. Probable cause: the student pilot's improper level off during landing.

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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