# NTSB SEA84IA037: Boeing 727-223, N876AA, Seattle, WA, January 7, 1984

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: January 7, 1984, 00:53 local (08:53 UTC)
- Place: Seattle, WA
- Coordinates: 47.44012, -122.280494 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.4401&lon=-122.2805&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 81 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39835
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84IA037
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39835/pdf
- Page: https://openairdocs.org/ntsb/SEA84IA037

## Sequence of events

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

- Dragged wing,rotor,pod,float or tail/skid, landing - flare/touchdown
  - weather condition - fog (contributing factor)
  - weather condition - crosswind (contributing factor)
  - proper alignment - not maintained
  - remedial action - initiated, pilot in command
  - clearance - misjudged, pilot in command (cause)

## 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](https://openairdocs.org/deregistered/N876AA-2002-05-01), registration cancelled 2002-05-01, S/N 21388, built 1978 (OpenAirDocs)
- Reported make and model: BOEING 727-223
- Registry model: [Boeing 727-223](https://openairdocs.org/model/boeing-727-223) (registry code 1384074) (OpenAirDocs)
- Registry engine: [Pratt & Whitney JT8D-9 series](https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (registry code 52048, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Serial number: 21388
- Airframe hours: 16343
- Engines: P&W JT8D-9 14500 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

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; 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

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.