Fokker 100 N895US
13 March 1993 · Chicago, Illinois, United States · No injuries
Summary
On 13 March 1993 at about 22:27 local time, a Fokker 100 registered N895US, operated by Usair, was involved in an incident near Chicago, Illinois, United States. 103 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 22:27
- Classification
- Incident
- Location
- Chicago, Illinois, United States
- Nearest airport
- O'hare Int'l (ORD)
- Coordinates
- Not recorded
- Aircraft
- Fokker 100
- Registration
- N895US
- Category
- Airplane
- Engines
- 2
- Operator
- Usair
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Charlotte → Unknown
- Aircraft damage
- Minor
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI93IA110
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 103 | 0 | 0 | 0 | 103 |
Probable cause
FAILURE OF THE COMPANY STATION MANAGER TO FOLLOW PROPER DISPATCH PROCEDURES, AND ICE ACCUMULATION ON THE NOSE GEAR LOCKING MECHANISM. FACTORS RELATED TO THE INCIDENT WERE: WET SNOW (SLUSH) ON THE RUNWAY AT THE DEPARTURE AIRPORT, AND INADEQUATE DESIGN WHICH ALLOWED ICE TO RENDER THE NOSE GEAR DOWNLOCK SYSTEM INOPERATIVE.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DOWN & LOCKED INDICATION OF NOSE GEAR WAS NOT ACHIEVED FOR LANDING. CREW RECYCLED GEAR, USED ALTERNATE GEAR EXTENSION SYSTEM & MADE A FLY-BY. AFTER BEING TOLD GEAR APPEARED TO BE EXTENDED, CREW LANDED, BUT NOSE GEAR COLLAPSED AT END OF LANDING ROLL. RIGHT MAIN OUTBOARD TIRE ALSO BLEW-OUT DURING LANDING DUE TO FROZEN BRAKE. INVESTIGATION REVEALED NOSE- WHEEL WELL WAS SUSCEPTIBLE TO ICE CONTAMINATION. NOSE GEAR DOWN LOCK PLUNGER WAS FROZEN & WOULD NOT EXTEND TO DOWN & LOCKED POSITION. AT DEPARTURE AIRPORT, SLUSH HAD ACCUMULATED ON NOSE GEAR DOWN LOCK & FROZE. USE OF ALTERNATE EXTENSION SYSTEM WOULD HAVE DUMPED THE 500 PSI HYDRAULIC PRESSURE THAT NORMALLY ASSISTED IN HOLDING GEAR IN EXTENDED POSITION. USAIR PROCEDURES STATED THAT TAKEOFF SHOULD NOT BE MADE IF SLUSH OR WET SNOW IN EXCESS OF 1/2 INCH COVERED RUNWAY. AT LEAST 1 INCH OF WET SNOW & SLUSH WAS REPORTED ON DEPARTURE RUNWAY, 22 MINUTES BEFORE DEPARTURE; HOWEVER, ACTING STATION MANAGER DID NOT FOLLOW USAIR PROCEDURES THAT REQUIRED REPORTING THIS TO DISPATCHER & CAPTAIN OF FLIGHT.
Quoted verbatim from the NTSB record.
Other Fokker 100 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 31 Oct 1996 | Fokker 100 | Sao Paulo, Brazil | TAM | Fatal | 95 |
| 5 Sep 2002 | Fokker 100 | Minneapolis, Minnesota, United States | - | No injuries | - |
| 25 Dec 2012 | Fokker 100 | Heho, Burma | Air Bagan | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 19 Sep 1993 | Piper PA-34-200T | New Lenox, Illinois, United States | Raymond M. Dolan | No injuries | - |
| 8 Aug 1993 | Walter D Courtney COURTNEY TWO | Canton, Illinois, United States | Walter D. Courtney | Fatal | 1 |
| 22 Sep 1993 | Lanceair 235M | Rockford, Illinois, United States | Nappi, Tito C. | No injuries | - |
| 9 Jan 1993 | De Havilland DHC-8-311 | Savoy, Illinois, United States | Air Wisconsin, Inc. | No injuries | - |
| 31 Mar 1993 | Aerospatiale ATR-42-300 | Moline, Illinois, United States | Trans States Airlines | No injuries | - |
| 2 Oct 1993 | Beechcraft 95 | Roodhouse, Illinois, United States | Midwest School of Aeronautics | Fatal | 2 |