# NTSB CHI88FA128: Dornier 228-201, N259MC, Chicago, IL, June 5, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Field investigation · Final report
- Date: June 5, 1988, 11:40 local (16:40 UTC)
- Place: Chicago, IL
- Coordinates: 41.780906, -87.77095 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.7809&lon=-87.7709&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 7, 1989
- Report: Approved by Office Director
- Safety recommendations: Yes
- NTSB case key (mKey): 13945
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88FA128
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13945/pdf
- Page: https://openairdocs.org/ntsb/CHI88FA128

## Sequence of events

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

- Loss of control - on ground/water, taxi - to takeoff
  - crew/group coordination - inadequate, pilot in command (contributing factor)
  - electrical system,generator - not engaged (contributing factor)
  - hydraulic system - not engaged (cause)
  - landing gear,steering system - not operating
  - landing gear,normal brake system - not operating
  - brakes(emergency) - not used, pilot in command (cause)
  - aircraft manuals,system information - inadequate (contributing factor)
  - aircraft control - not maintained, pilot in command (cause)
  - procedure inadequate, manufacturer (contributing factor)
- On ground/water collision with object, taxi - to takeoff
  - object - aircraft parked/standing (contributing factor)

## Analysis

THE CAPT WAS COMPLETING THE CHECKLIST DRG PAX LOADING & THE F/O SECURED THE DOOR & CAME FWD. THE CAPT STARTED THE #2 ENG& BGN SINGLE ENG TAXI WHILE ATMTG A RGT TURN TO STAY CLR OF A PARKED DORNIER (N264MC). AS N259MC BGN ROLLING FWD, THE CAPT NOTED THE NOSEWHEEL STEERING (NWS) WAS INOP. HE APPLIED NORMAL BRAKING, BUT GOT NO RESPONSE & N259MC BGN A LEFT TURN. THE CAPT SWITCHED THE HYDR PUMP FM 'NORMAL' TO 'MAN ON' (MANUAL); HOWEVER, BFR HYD PRES WAS BUILT UP BY BATTERY PWR, N259MC COLLIDED WITH N264MC. AN INV REVEALED THE #2 GENERATOR (GEN) WAS NOT CONNECTED TO THE GEN BUS. NO PART MALFUNCTION/FAILURE WAS FND DRG CHECKS OF THE ACFT SYSTEMS. THE NWS & NORMAL BRAKES WERE ELECTRO-HYDRAULICALLY ACTUATED.W/O GENERATOR PWR, THE HYD SYS, NWS & NORMAL BRAKES WOULD NOT HAVE BEEN OPERATING WITH THE HYD SW IN THE 'NORMAL' PSN. AN EMERG (PARKING) BRAKE WAS AVAILABLE, BUT IT WAS NOT USED. THE TRAINING PROGRAM, OPN MANUAL & DORNIER 228-SERIES PILOT OPERATING HANDBOOK DID NOT ADDRESS SINGLE-ENG GROUND OPN OR THE EFFECTS OF AN INTERRUPTION IN GENERATOR PWR.

## Aircraft

- Registration: [N259MC](https://openairdocs.org/deregistered/N259MC-1993-06-28), registration cancelled 1993-06-28, S/N 8118 (OpenAirDocs)
- Reported make and model: DORNIER 228-201
- Registry model: [Dornier DORNIER 228-202](https://openairdocs.org/model/dornier-dornier-228-202) (registry code 2992030) (OpenAirDocs)
- Category: Airplane
- Serial number: 8118
- Airframe hours: 2007
- Engines: AIRESEARCH TPE-331-5 715 horsepower turbo prop
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Manufacturer'S Hanover Trust
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 22, 1988, 81 hours before
- Departed: MDW
- Destination: SPI, SPRINGFIELD, IL
- Flight plan: IFR
- Airport: MDW, Midway

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; flight instructor, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 4,300 total, 300 in this make and model, 2,800 as pilot in command, 120 in the last 90 days, 80 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 82 °F, dew point 45 °F
- Altimeter: 30.00 inHg
- Observed at: MDW, 1 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 19880605017769A](https://openairdocs.org/incident/19880605017769A), Jun 5, 1988: Dorner DO228201, Chicago, IL, Substantial damage. Started NR2 engine and began to taxi without copilot in place. No brakes or steering. Hit aircraft. Generators off.

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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