# NTSB CHI82DA316: Beech G18S, N38RM, Chicago, IL, August 31, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 30, 1982, 23:30 local (Aug 31, 1982, 04:30 UTC)
- Place: Chicago, IL
- Location: 41.7856° N, 87.7527° W: Placed by OpenAirDocs at CHICAGO MIDWAY INTL (MDW), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7856&lon=-87.7527&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 30, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70226
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82DA316
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70226/pdf
- Page: https://openairdocs.org/ntsb/CHI82DA316

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - light condition - dark night
  - weather condition - crosswind (contributing factor)
  - landing gear,tire - failure,partial (cause)
  - directional control - not possible, pilot in command
  - ground loop/swerve - uncontrolled, pilot in command
- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - dirt bank/rising embankment (contributing factor)
- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - dirt bank/rising embankment (contributing factor)

## Analysis

DURING TAKEOFF ON RUNWAY 13R, THE AIRCRAFT SWERVED TO THE LEFT JUST AS IT OBTAINED TAILWHEEL LIFT-OFF SPEED. THE AIRCRAFT THEN STRUCK A DIRT BANK AND WAS DAMAGED. BOTH THE PILOT AND THE AIRCRAFT OPERATOR STATED THAT THE LEFT MAIN TIRE LOST PRESSURE, BUT THEY WERE NOT ABLE TO DETERMINE WHY. ACCORDING TO THE 2330 WEATHER REPORT, THE WIND WAS FROM 040 DEG AT 5 KTS.

## Aircraft

- Registration: [N38RM](https://openairdocs.org/deregistered/N38RM-2012-11-13), registration cancelled 2012-11-13, S/N BA-574, built 1961 (OpenAirDocs)
- Reported make and model: BEECH G18S
- Registry model: [Beech G18S](https://openairdocs.org/model/beech-g18s) (registry code 1151010) (OpenAirDocs)
- Category: Airplane
- Serial number: BA-547
- Airframe hours: 10000
- Engines: P&W R-985-A14B 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Operator: Viking Express Inc
- Registered owner: Viking Express Inc
- Departed: MDW, CHICAGO, IL
- Destination: CVG, CINCINATI, OH
- Flight plan: IFR
- Airport: MDW, Midway, runway 13R, 6,519 × 175 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; flight hours: 12,000 total, 12,000 in this make and model, 10,000 as pilot in command, 46 in the last 90 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 40° at 5 knots
- Visibility: 10 statute miles
- Temperature: 151 °F
- Altimeter: 30.00 inHg
- Observed at: MDW

## 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 19820830043639A](https://openairdocs.org/incident/19820830043639A), Aug 30, 1982: Beech G18S, Chicago, IL, Substantial damage. Left main tire went flat on the takeoff roll. Airplane ground looped. Empannage struck a dirt embankment.

## Other investigations on N38RM (2)

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.

- [NTSB CHI92FA037](https://openairdocs.org/ntsb/CHI92FA037), Dec 4, 1991: Beech G-18S (N38RM), West Chicago, IL, destroyed. Probable cause: A RESULT OF THE PILOT IN COMMAND'S NOT MAINTAINING DIRECTIONAL CONTROL, AN IMPROPER INFLIGHT DECISION, AND IMPROPER REMEDIAL ACTION ONCE THE LOSS OF DIRECTIONAL CONTROL WAS RECOGNIZED BY THE PILOT.…
- [NTSB CHI78FA017](https://openairdocs.org/ntsb/CHI78FA017), Jan 11, 1978: Beech G-18S (N38RM), West Chicago, IL, substantial damage

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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