# NTSB MKC88LA006: Boeing A-75, N1754M, Creve Coeur, MO, October 9, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 9, 1987, 17:15 local (22:15 UTC)
- Place: Creve Coeur, MO
- Coordinates: 38.620071, -90.350173 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.6201&lon=-90.3502&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 16, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 34512
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC88LA006
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34512/pdf
- Page: https://openairdocs.org/ntsb/MKC88LA006

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- Main gear collapsed, landing - roll
  - landing gear,main gear - overload (contributing factor)

## Analysis

WHILE PRACTICING STOP AND GO LDGS, PLT LOST CONTROL DURING ROLLOUT. ACFT SWERVED AND ENTERED AN INADVERTENT GROUND LOOP. THE RIGHT MAIN LANDING GEAR FAILED AND THE RIGHT LOWER WING CONTACTED THE GROUND.

## Aircraft

- Registration: [N1754M](https://openairdocs.org/deregistered/N1754M-2022-03-05), registration cancelled 2022-03-05, S/N 75-5705 (OpenAirDocs)
- Reported make and model: BOEING A-75
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Lycoming R680-4P-B4](https://openairdocs.org/engine/lycoming-r680-4p-b4) (registry code 41542, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 75-5705
- Airframe hours: 1886
- Engines: LYCOMING A-680-8 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Bernard F. Groceman
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, December 8, 1986
- Airport: 1HO, Creve Coeur, runway 7, 3,000 × 150 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: rear; flight hours: 1,645 total, 20 in this make and model, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 8 knots
- Visibility: 6 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 66 °F, dew point 41 °F
- Altimeter: 30.00 inHg
- Observed at: STL, 10 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 19871009059659A](https://openairdocs.org/incident/19871009059659A), Oct 9, 1987: Boeing A75N1, St Louis, MO, Substantial damage. Ground looped on 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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