# NTSB CHI88LA166: Gulfstream Aerospace G-21-G, N77AQ, Elyria, OH, July 13, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 13, 1988, 19:40 local (23:40 UTC)
- Place: Elyria, OH
- Location: 41.3315° N, 82.1003° W: Placed by OpenAirDocs at ELYRIA (1G1), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3315&lon=-82.1003&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 7, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 14114
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88LA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14114/pdf
- Page: https://openairdocs.org/ntsb/CHI88LA166

## Sequence of events

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

- Airframe/component/system failure/malfunction, landing - roll
  - landing gear,normal brake system - incorrect (cause)
  - maintenance,installation - improper, other maintenance personnel (cause)
  - landing gear,normal brake system - worn (cause)
  - maintenance,annual inspection - inadequate, other maintenance personnel (cause)
- Loss of control - on ground/water, landing - roll
  - ground loop/swerve - inadvertent
- Main gear collapsed, landing - roll
  - landing gear,main gear - overload (contributing factor)

## Aircraft

- Registration: [N77AQ](https://openairdocs.org/aircraft/N77AQ), registered now, S/N 1205 (OpenAirDocs)
- Reported make and model: Gulfstream Aerospace G-21-G
- Registry model: [Mckinnon G21G](https://openairdocs.org/model/mckinnon-g21g) (registry code 5550120) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 1205
- Airframe hours: 2704
- Engines: P&W PT6A-27 715 horsepower turbo prop
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Kalt Manufacturing Co.
- Registered owner: Kalt Manufacturing Co.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 1, 1987, 4 hours before
- Airport: 1G1, Elyria, runway 27, 3,047 × 48 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 60; airline transport, flight instructor; airplane ratings: multi-engine land, single-engine land, multi-engine sea, single-engine sea; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 24,200 total, 103 in this make and model, 23,435 as pilot in command, 107 in the last 90 days, 18 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 14 knots
- Visibility: 6 statute miles
- Lowest ceiling: 6,500 ft broken
- Temperature: 88 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: CLE, 12 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 19880713026989A](https://openairdocs.org/incident/19880713026989A), Jul 13, 1988: Mckinn G21G, Elyria, OH, Substantial damage. Ground looped the amphibian on landing roll. Found brakes worn out and had mismatched brake pads. Poor maintenance.

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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