# Incident 19981210045549I: Doug DC951, LA, December 10, 1998

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: December 10, 1998, 09:32 local time
- Place: LA
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: NWAA
- Aircraft: N770NC, a cancelled registration (https://openairdocs.org/deregistered/N770NC-2014-06-17) (OpenAirDocs)
- Registry model: Mcdonnell Douglas DC-9-51 (registry code 3022051, https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Registry engine: Pratt & Whitney JT8D-9 series (registry code 52048, https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (OpenAirDocs)
- Reported make and model: DOUG DC951
- People aboard: 74
- Fatal injuries: 0
- Pilot flight hours: 7,259 total, 2,932 in this make and model, 194 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19981210045549I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-5) NWA1159 WAS AT FL310 WITH OPPOSITE DIRECTION TRAFFIC AT FL 330, 10 MILES. NWA1159 NOTIFIED ATC OF COMPLYING WITH A TCAS CLIMB RESOLUTION ADVISORY (RA) FOR TRAFFIC 500 FEET BELOW. ATC ADVISED THAT TRAFFIC WAS AT THEIR 12 O'CLOCK POSITION, FL 330 AND 10 MILES. NWA1159 AGAIN REPORTED A CLIMB RA. ATC VERIFIED THE PREVIOUS TRAFFIC ADVISORY. THE TWO AIRCRAFT PASSED WITHIN APPROXIMATELY 2 MILES OF EACH OTHER WITH MODE-C INDICATING FL314 FOR NWA1159 AND FL330 FOR THE OTHER AIRCRAFT, CAUSING A LOSS OF SEPARATION. AIRCREW DEFERRED THE DISCREPANCY UNDER DIRECTION OF MAINTENANCE CONTROL AND COMPLIED WITH PLACARDING, REFERENCING 34-43. MAINTENANCE PERSONNEL PREFORMED TEST IAW AMM34-45-0, TCAS SYSTEM PASSED AND PLACARD REMOVED, RETURNED TO SERVICE. THIS SITUATION DISCUSSED WITH NWA CERTIFICATE MANAGEMENT OFFICE'S DC-9 PARTIAL PROGRAM MANAGER ON 4JAN99, AND A COPY OF THIS REPORT FORWARDED 15MAR99 TO SAME FOR FURTHER ACTION AS CMO DEEMS APPROPRIATE.

## Other reports on N770NC (5)

Matched to the same aircraft by N-number and date.

- [Incident 20130219002479I](https://openairdocs.org/incident/20130219002479I), Feb 19, 2013: Mcdonnell Douglas DC-9-51 (N770NC), Savannah, GA, Minor damage. Overview: On February 19, 2013, delta air lines (dal) flight #2307, atlanta, Georgia (atl) to Savannah, Georgia (sav), departed the end of the runway after…
- [Incident 19960114000359I](https://openairdocs.org/incident/19960114000359I), Jan 14, 1996: Doug DC951 (N770NC), Fort Walton Bea, FL, Minor damage. Narrative: a northwest DC-9-50 crewed by captain david chiles and first officer clifford hudson struck a paving truck while taxiing into the ramp at fort…
- [Incident 19880705044619I](https://openairdocs.org/incident/19880705044619I), Jul 5, 1988: Doug DC951 (N770NC), Minneapolis, MN, Minor damage. Tail compartment temperature light on. Aborted takeoff. Tire failed on rejected takeoff. Leaking bleed air ducts.
- [Incident 19860107002909I](https://openairdocs.org/incident/19860107002909I), Jan 7, 1986: Doug DC951 (N770NC), Cleveland, OH. Cabin altitude started to climb. Regained normal pressurization in manual mode at FL240. Several components changed
- [Incident 19841208070119I](https://openairdocs.org/incident/19841208070119I), Dec 8, 1984: Doug DC951 (N770NC), Boston, MA. Missed approach due to unsafe gear indication. Recycled gear. Gear handle rivet sheared and binding. Replaced.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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