Boeing 747-200 N629US
25 September 1993 · Anchorage, Alaska, United States · No injuries
Summary
On 25 September 1993 at about 16:35 local time, a Boeing 747-200 registered N629US, operated by Northwest Airlines, Inc, was involved in an incident near Anchorage, Alaska, United States. 3 people were on board and nobody was injured. The aircraft was slightly damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 16:35
- Classification
- Incident
- Location
- Anchorage, Alaska, United States
- Nearest airport
- Anchorage (ANC)
- Coordinates
- 61.1095, -149.8997
- Aircraft
- Boeing 747-200
- Registration
- N629US
- Category
- Airplane
- Engines
- 4
- Operator
- Northwest Airlines, Inc
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Unknown → Tokyo, Japan
- Aircraft damage
- Minor
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC93IA188
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 0 | 0 | 3 |
Probable cause
FOREIGN OBJECT DAMAGE TO THE COMPRESSOR FORWARD FAN ASSEMBLY AS A RESULT OF THE INGESTION OF A BIRD.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
A 28 OUNCE DUCK WAS INGESTED INTO A JT9 TURBOFAN ENGINE OF A B747 ON TAKEOFF, IMPACTING AND BREAKING THE 10 PLY FIBERGLASS FAN SPINNER. DOWNSTREAM ENGINE DESTRUCTION FOLLOWED. ENGINE MANUFACTURE AND FAA WAS AWARE OF A NUMBER OF PREVIOUS BIRD-STRIKE FAILURES WITH THIS SPINNER. NEW AND STRONGER 20 PLY SPINNERS ARE BEING PHASED IN; HOWEVER, THIN SPINNERS ARE STILL IN USE ON JT9 ENGINES IN COMMERCIAL SERVICE.
Quoted verbatim from the NTSB record.
Other Boeing 747 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 27 Aug 1993 | Boeing 747-100 | Milan, Italy | United Airlines | Unknown | - |
| 25 Jul 1993 | Boeing 747-368 | Jamaica, New York, United States | - | No injuries | - |
| 11 Sep 1993 | Boeing 747-200 | New York, New York, United States | - | No injuries | - |
| 31 Mar 1993 | Boeing 747-121 | Anchorage, Alaska, United States | Japan Airlines | No injuries | - |
| 12 Apr 1993 | Boeing 747-269BC | Alexandria, Louisiana, United States | - | No injuries | - |
| 19 Mar 1992 | Boeing 747-123 | Louisville, Kentucky, United States | United Parcel Service | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Jul 1993 | Cessna A185F | Denali Nat'l Pk, Alaska, United States | James Okonek | Serious injuries | - |
| 4 Aug 1993 | Piper PA-32R-300 | Atigun Pass, Alaska, United States | Yutana Airlines | Fatal | 1 |
| 19 Aug 1993 | De Havilland DHC-3 | Nikabuna Lake, Alaska, United States | Ketchum Air Service Inc. | Minor injuries | - |
| 31 Aug 1993 | De Havilland DHC-2 | Iliamna, Alaska, United States | Rainbow King, Inc | Fatal | 3 |
| 2 Sep 1993 | Piper PA-18A-150 | Sanona Creek, Alaska, United States | Garfield, Wade E. | Fatal | 2 |
| 8 Sep 1993 | Interstate S-1B2 ARCTIC TERN | Talkeetna River, Alaska, United States | Franklin, Gary L. | Serious injuries | - |