# NTSB ATL84LA132: Mitsubishi MU-2B-20, N5HE, Charlotte, NC, March 23, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 23, 1984, 11:47 local (16:47 UTC)
- Place: Charlotte, NC
- Coordinates: 35.169231, -80.800399 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.1692&lon=-80.8004&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 6 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6432
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL84LA132
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6432/pdf
- Page: https://openairdocs.org/ntsb/ATL84LA132

## Sequence of events

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

- Nose gear collapsed, landing - roll
  - landing gear,nose gear - failure,total (cause)
  - material inadequate, production/design personnel (cause)
  - landing gear,nose gear - fatigue (cause)
  - maintenance,inspection - inadequate, company maintenance personnel (cause)

## Analysis

UPON LANDING THE NOSE LANDING GEAR SHEARED OFF THE ACFT. EXAM OF THE NOSE GEAR REVEALED THAT TWO FATIGUE CRACKS HAD PROPOGATED TO THE POINT OF TOTAL FAILURE. THE GEAR WAS THE SUBJECT OF AN AIRWORTHINESS DIRECTIVE THAT REQUIRED INSPECTION OF THE GEAR PERIODICALLY PRIOR TO 4000 HRS TOTAL TIME. THE ACCIDENT LANDING GEAR HAD ACCUMULATED 2371 HRS TOTAL TIME.

## Aircraft

- Registration: N5HE (not matched to a registry record)
- Reported make and model: MITSUBISHI MU-2B-20
- Category: Airplane
- Serial number: 233
- Airframe hours: 2371
- Engines: GARRETT TPE-331-A-151 705 horsepower turbo prop
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Holmberg Electronics Corp.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 6, 1983, 72 hours before
- Departed: PIT, PITTSBURGH, PA
- Destination: CLT, CHARLOTTE, NC
- Flight plan: IFR
- Airport: CLT, Charlotte/Douglas Intl., runway 36, 7,845 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 6,415 total, 2,645 in this make and model, 6,152 as pilot in command, 56 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: 15,000 ft overcast
- Temperature: 61 °F, dew point 23 °F
- Altimeter: 30.00 inHg
- Observed at: CLT

## 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 19840323007239A](https://openairdocs.org/incident/19840323007239A), Mar 23, 1984: Mtsbsi MU2B20, Charlotte, NC, Substantial damage. Nose gear sheared off during landing. Outer cylinder previously cracked. A d issued to inspect after 4000 hours.

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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