FTW90IA043

NTSB incident investigation · Mcdonnell Douglas DC-9-82 · Baton Rouge, LA · December 11, 1989

Incident · No injuriesIncident investigationFinal report
Date
December 11, 1989, 16:28 local (22:28 UTC)
Place
Baton Rouge, LA
Injuries
149 uninjured
Damage
No damage
Phase of flight
Taxi
Aircraft
N416AAMcdonnell Douglas DC-9-82
Weather
Visual (VMC) · Day
Status
Completed · report August 26, 1992
Report
Approved by Office Director
Case key
23052

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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Probable cause

The captain's excessive speed during a turn off of the runway, and his failure to maintain directional control. The wet taxiway was a related factor.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterTaxi - from landing
Airport facilities,taxiway condition - wetFactor
Taxispeed - excessivePilot in commandCause
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterTaxi - from landing
Terrain condition - soft

Analysis

After landing, the flt crew initiated a 135 deg turn off of the rwy & onto a twy. According to FDR data, the turn was initiated at 38 KIAS. The capt rprtd that the nosewheel steering became unresponsive about 2/3 of the way thru the turn. The nosewheel went off the twy & into deep mud. No problems were found with the nosewheel steering or brakes.

Aircraft

Registration
N416AA
Reported as
Mcdonnell Douglas DC-9-82
Category
Airplane
Serial number
49327
Engine
P&W JT8D, 20,000 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Mbb American Airlines
Airworthiness certificate
Standard, Transport
Departed
BNA · Nashville, TN
Destination
BTR
Flight plan
IFR
Airport
BTR · Metropolitan Ryan Field, runway 22, 6,900 × 150 ft, concrete

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
6,600 total · 1,428 in this make and model · 210 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
7 statute miles
Lowest ceiling
700 ft overcast
Temperature
68 °F, dew point 64 °F
Altimeter
29.00 inHg