# NTSB CHI84LA091: Piper PA-34-220T, N8424D, Chicago, IL, January 10, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 9, 1984, 22:22 local (Jan 10, 1984, 04:22 UTC)
- Place: Chicago, IL
- Location: 41.9769° N, 87.9081° W: Placed by OpenAirDocs at CHICAGO O'HARE INTL (ORD), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.9769&lon=-87.9081&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12532
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA091
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12532/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA091

## Sequence of events

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

- On ground/water collision with object, taxi - from landing
  - light condition - dark night (contributing factor)
  - object (contributing factor)
  - visual lookout - inadequate, driver of vehicle (cause)

## Analysis

THE ACFT WAS BEING TAXIED FROM LANDING. AT A SERVICE ROAD INTERSECTION A BAGGAGE TUG COLLIDED WITH THE RIGHT WING. THE ACFT LIGHTS WERE REPORTEDLY ON AT THE TIME OF THE ACCIDENT. THE DRIVER OF THE TUG SAID HE WAS NOT LOOKING FOR A SMALL ACFT ON THE TAXIWAY, BUT INSTEAD HE JUST LOOKED FOR BIG ACFT.

## Aircraft

- Registration: N8424D (not matched to a registry record)
- Reported make and model: PIPER PA-34-220T
- Category: Airplane
- Serial number: 34-8233185
- Airframe hours: 960
- Engines: CONTINENTAL TSIO-360 220 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Operator: Aviation Management Corp.
- Registered owner: John F. Bush, Jr., Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 1, 1983, 887 hours before
- Departed: MSN, MADISON, WI
- Flight plan: Unknown
- Airport: ORD, O'Hare Intl

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; flight instructor, 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: 4,580 total, 520 in this make and model, 4,470 as pilot in command, 150 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 270° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 5 °F, dew point 5 °F
- Altimeter: 30.00 inHg
- Observed at: ORD

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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