# NTSB CHI91LA285: Monocoupe 90A, N11793, Creve Coeur, MO, September 1, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 1, 1991, 18:15 local (23:15 UTC)
- Place: Creve Coeur, MO
- Coordinates: 38.700046, -90.469703 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7000&lon=-90.4697&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 25, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15179
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI91LA285
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15179/pdf
- Page: https://openairdocs.org/ntsb/CHI91LA285

## Probable cause

A PREMATURE LIFTOFF AND IMPROPER REMEDIAL ACTION BY THE PILOT DURING A TAKEOFF GROUND RUN.

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - lift-off - premature, pilot in command (cause)
- Dragged wing,rotor,pod,float or tail/skid, takeoff - roll/run
  - remedial action - improper, pilot in command (cause)

## Analysis

THE ACCIDENT AIRPLANE LOST CONTROL DURING TAKEOFF GROUND RUN AND DRAGGED A WING ON THE RUNWAY.  ACCORDING TO THE PILOT THE WING DRAGGED AS HE TRIED TO CORRECT FOR A NOSE HIGH ATTITUDE AND RE INITIATE CLIMB AFTER A PREMATURE LIFTOFF.

## Aircraft

- Registration: [N11793](https://openairdocs.org/aircraft/N11793), registered now, S/N A717, built 1936 (OpenAirDocs)
- Reported make and model: Monocoupe Aircraft 90A
- Registry model: [Monocoupe 90A](https://openairdocs.org/model/monocoupe-90a) (registry code 5810104) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: A717
- Engines: LYCOMING O-320-A313 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Frank And Carol Kerner
- Airport: 1H0, Creve Coeur, runway 34, 2,820 × 160 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; flight hours: 575 total, 49 in this make and model, 460 as pilot in command, 12 in the last 90 days, 3 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 5 statute miles
- Lowest ceiling: 5,000 ft overcast
- Temperature: -0 °F, dew point -0 °F

## 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 19910901037329A](https://openairdocs.org/incident/19910901037329A), Sep 1, 1991: Mncoup 90A, St Louis, MO, Substantial damage. Lifted off prematurely,lost control and dragged a wing on runway trying to reinitiate climb. Impact tore off engine

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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