# NTSB CHI88IA157: Beech C99, N3063W, Indianapolis, IN, July 7, 1988

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: July 6, 1988, 20:02 local (Jul 7, 1988, 01:02 UTC)
- Place: Indianapolis, IN
- Location: 39.7173° N, 86.2946° W: Placed by OpenAirDocs at INDIANAPOLIS INTL (IND), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7173&lon=-86.2946&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 12 uninjured
- Status: Completed, report June 11, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 13997
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88IA157
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13997/pdf
- Page: https://openairdocs.org/ntsb/CHI88IA157

## Probable cause

COMPONENT FAILURE DUE TO IMPROPER LUBRICATION BY THE OPERATORS MAINTENANCE PERSONNEL.

## Sequence of events

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

- Airframe/component/system failure/malfunction, climb - to cruise
  - landing gear,normal retraction/extension assembly - failure,total (cause)
  - maintenance,lubrication - inadequate, company maintenance personnel (cause)
  - maintenance,aaip/progressive program - inaccurate, faa(principal maintenance inspector) (contributing factor)
- Nose gear collapsed, landing - roll
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - runway

## Aircraft

- Registration: N3063W (not matched to a registry record)
- Reported make and model: BEECH C99
- Category: Airplane
- Serial number: U-230
- Airframe hours: 1296
- Engines: P&W PT-6A-36 715 horsepower turbo prop
- Damage: Minor damage
- Flight: Part 135
- Operator: Air Kentucky Airlines, Inc., doing business as Allegheny Commuter
- Registered owner: Astro Enterprises, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Continuous airworthiness, July 2, 1988, 20 hours before
- Destination: OWB, OWENSBORO, KY
- Flight plan: IFR
- Airport: IND, Indianapolis Int'L, runway 31, 7,600 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; commercial, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 6,815 total, 125 in this make and model, 6,150 as pilot in command, 100 in the last 90 days, 54 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 4 knots
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 88 °F, dew point 70 °F
- Altimeter: 30.00 inHg
- Observed at: IND

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19880706071239I](https://openairdocs.org/incident/19880706071239I), Jul 6, 1988: Beech C99, Indianapolis, IN, Minor damage. Nosewheel jammed in mid retract position after takeoff. Nose gear actuator yoke froze. Lack of grease.

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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