SEA84IA037

NTSB incident investigation · Boeing 727-223 · Seattle, WA · January 7, 1984

Incident · No injuriesIncident investigationFinal report
Date
January 7, 1984, 00:53 local (08:53 UTC)
Place
Seattle, WA
Injuries
81 uninjured
Damage
Minor damage
Phase of flight
Landing
Aircraft
N876AABoeing 727-223
Weather
Instrument (IMC) · Night/dark
Status
Completed
Report
Approved by Office Director
Case key
39835

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

On this page

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.

Dragged wing,rotor,pod,float or tail/skidLanding - flare/touchdown
Weather condition - fogFactor
Weather condition - crosswindFactor
Proper alignment - not maintained
Remedial action - initiatedPilot in command
Clearance - misjudgedPilot in commandCause

Analysis

The capt stated that upon visual contact with the rwy, the acft was displaced slightly to the lt & he corrected toward centerline with rt rudder. Wing tip contact was neither heard not felt in the cockpit. There were several concurrent reports of arriving acft being displaced to the lt when executing the rwy 34 ILS. A flt & grd check of the system reported operations to be within tolerance.

Aircraft

Registration
N876AA
Reported as
Boeing 727-223
Category
Airplane
Serial number
21388
Airframe hours
16,343
Engine
P&W JT8D-9, 14,500 lbs thrust, turbo jet
Damage
Minor damage
Flight
Part 121
Operator
Alaska Airlines Inc
Registered owner
American Airlines Incorp.
Airworthiness certificate
Standard, Transport
Departed
ANC · Anchorage, AK
Destination
SEA · Seattle, WA
Flight plan
IFR
Airport
SEA · Sea-Tac Int'L Arpt, runway 34, 11,900 × 150 ft, asphalt

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
43
Certificate
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
14,300 total · 95 in the last 90 days · 46 in the last 30 days

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
20° at 6 knots
Lowest ceiling
400 ft
Temperature
48 °F, dew point 48 °F
Altimeter
29.00 inHg
Observed at
SEA, 1 nm away