Fokker F28 MK 4000 N110UR
14 April 1988 · Charleston, West Virginia, United States · Minor injuries
Summary
On 14 April 1988 at about 13:45 local time, a Fokker F28 MK 4000 registered N110UR was involved in an accident near Charleston, West Virginia, United States. 62 people were on board and 8 had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 13:45
- Classification
- Accident
- Location
- Charleston, West Virginia, United States
- Nearest airport
- Yeager (CRW)
- Coordinates
- 38.3494, -81.6308
- Aircraft
- Fokker F28 MK 4000
- Registration
- N110UR
- Category
- Airplane
- Engines
- 2
- Operator
- Not recorded
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Charlotte → Unknown
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- BFO88FA036
People
8 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 62 | 0 | 0 | 8 | 54 |
Probable cause
ENGINE AND AIRFRAME FAILURE WERE CAUSED BY THE THE SEPARATION OF THE FIRST STAGE LOW PRESSURE TURBINE DISK. THE DISC INTERSTAGE SEAL WAS INSTALLED INADEQUATELY, RESULTING IN RUBBING BETWEEN THE SEAL AND DISK, CAUSING FAILURE OF THE DISK. INADEQUATE PROCEDURE BY MAINTENANCE PERSONNEL ARE A CONTRIBUTING FACTOR.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE ACFT WAS AT FLIGHT LEVEL 310, WHEN THE NO. 2 ENGINE FIRST STAGE TURBINE DISC SEPARATED, CAUSING AN UNCONTAINED ENGINE FAILURE. TURBINE DEBRIS PENETRATED THE FUSELAGE STRUCTURE & CAUSED DEPRESSURIZATION. THE PLT MADE AN EMERGENCY DESCENT & LANDED AT CHARLESTON, WV, WHICH WAS ABOUT 50 MILES AWAY. THE INVESTIGATION REVEALED SEVERE RUBBING & MELTING OF THE LOW PRESSURE TURBINE INTERSTAGE SEAL & SEPARATION OF THE DRIVE FLANGES CONNECTING THE LP1 & LP2 TURBINE DISCS. ROLLS-ROYCE REPAIR SCHEME XRS 3505 DESCRIBES A PROCEDURE FOR REPAIR OF THE INTERSTAGE SEALS. HOWEVER, IN REPLACING THE SEALS, THE REPAIR FACILITY USED MACHINING REFERENCE SURFACES WHICH DIFFERED FROM THOSE IN THE REPAIR SCHEME. ROLLS-ROYCESUBSEQUENTLY AMENDED XRS 3505 TO MAKE IT MORE TOLERABLE TO RUBBING OR MISASSEMBLY OF THE LOW PRESSURE TURBINE SEAL. ALL OF THE FIRST CLASS SECTION & TWO CABIN SECTION PASSENGER OXYGEN MASKS FAILED TO DEPLOY.
Quoted verbatim from the NTSB record.
Other Fokker F28 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 11 Nov 1990 | Fokker F28 MK0100 | Atlanta, Georgia, United States | Usair | No injuries | - |
| 30 Dec 1986 | Fokker F28 MK4000 | West Palm Bch, Florida, United States | - | Serious injuries | - |
| 22 Jun 1992 | Fokker F.28 MK 1000 | Portland, Oregon, United States | Timeair Inc. | No injuries | - |
| 15 Apr 1992 | Fokker F.28 MK4000 | Charlotte, North Carolina, United States | Usair | No injuries | - |
| 7 May 1993 | Fokker F28-MK-0100 | Pittsburgh, Pennsylvania, United States | Usair | Minor injuries | - |
| 1 May 1994 | Fokker F28 MK 0100 | Charlotte, North Carolina, United States | Usair, Inc. | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 18 Jun 1988 | Aeronca 7AC | Capon Bridge, West Virginia, United States | - | No injuries | - |
| 23 Jun 1988 | Sikorsky S-76A | Moundsville, West Virginia, United States | - | Minor injuries | - |
| 25 Jun 1988 | Champion 7ECA | Talcott, West Virginia, United States | - | Serious injuries | - |
| 5 Jul 1988 | Hughes 369D | Clarksburg, West Virginia, United States | CNG Transmission Corp | No injuries | - |
| 7 Aug 1988 | Piper PA-28-180 | Racine, West Virginia, United States | Richard Doellein | Minor injuries | - |
| 27 Aug 1988 | Cessna 180 | Harding, West Virginia, United States | Michael G. Quinlan | No injuries | - |