# NTSB CHI82IA179: Bac 1-11-204AF, N1124J, Dayton, OH, May 21, 1982

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: May 21, 1982, 17:23 local (21:23 UTC)
- Place: Dayton, OH
- Location: 39.9023° N, 84.2194° W: Placed by OpenAirDocs at JAMES M COX DAYTON INTL (DAY), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9023&lon=-84.2194&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 48 uninjured
- Status: Completed, report May 21, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70418
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82IA179
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70418/pdf
- Page: https://openairdocs.org/ntsb/CHI82IA179

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - rain (contributing factor)
  - weather condition - crosswind (contributing factor)
  - weather condition - windshear (contributing factor)
  - airport facilities,runway/landing area condition - wet (contributing factor)
  - aircraft performance,hydroplaning condition - water (contributing factor)
  - directional control - not maintained, copilot/second pilot (cause)

## Analysis

DURING ARRIVAL, THERE WAS A THUNDERSTORM AND LIGHTING OVER THE AIRPORT, SO THE AIRCREW HELD FOR ABOUT 7 TO 10 MIN. AFTER A BEECH BARON HAD LANDED, THEY BEGAN AN ILS APPROACH. AN 8 TO 10 DEG CRAB WAS NEEDED TO COMPENSATE FOR THE WIND ON FINAL APPROACH. THE FIRST OFFICER WAS FLYING THE AIRCRAFT. HE REPORTED THAT WIND SHEAR WAS ENCOUNTERED AT ABOUT 50 TO 100 FT AGL, BUT ONLY SLIGHT RUDDER WAS REQUIRED TO STRAIGHTEN THE AIRCRAFT. AFTER A NORMAL TOUCHDOWN SPEED BRAKES AND REVERSE THRUST WERE USED. THE AIRCRAFT VEERED LEFT AND THE REVERSE THRUST WAS CANCELLED. THE FIRST OFFICER REPORTED THAT RUDDER AND BRAKES WERE APPLIED, BUT BRAKING WAS NIL.  HE TRIED REVERSE THRUST AGAIN. SUBSUQUENTLY,THE AIRCRAFT WENT OFF THE RIGHT SIDE OF THE RUNWAY. WHILE SCRUBBING MARKS WERE FOUND FROM ABOUT 1300 TO 3500 FT DOWN THE RUNWAY. THE RUNWAY WAS NOT GROOVED. ALSO, THE RUNWAY HAD LESS THAN THE 1 PERCENT GRADIENT THAT WAS RECOMMENDED BY FAA CIRCULAR, AC NO: 150/5325-2C.

## Aircraft

- Registration: [N1124J](https://openairdocs.org/deregistered/N1124J-2013-09-20), registration cancelled 2013-09-20, S/N BAC.134, built 1968 (OpenAirDocs)
- Reported make and model: BAC 1-11-204AF
- Registry model: [British BAC 1-11 204/AF](https://openairdocs.org/model/british-bac-1-11-204-af) (registry code 1480210) (OpenAirDocs)
- Registry engine: [Rolls-Royce SPEY-506-14](https://openairdocs.org/engine/rolls-royce-spey-506-14) (registry code 54519, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Serial number: 134
- Airframe hours: 35123
- Engines: ROLLS ROYCE SPEY 506-14 10410 lbs thrust turbo jet
- Damage: No damage
- Flight: Part 121
- Operator: U.S. Air
- Registered owner: U.S. Air
- Departed: CMH, COLUMBUS, OH
- Destination: RNO, RENO, NV
- Flight plan: IFR
- Airport: DAY, Cox International, runway 18, 6,999 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 14,000 total, 10,200 in this make and model

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 150° at 10 knots
- Altimeter: 29.00 inHg
- Observed at: DAY

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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