Nihon YS-11A-600F N112MP
3 April 1990 · West Lafayette, Indiana, United States · No injuries
Summary
On 3 April 1990 at about 10:45 local time, a Nihon YS-11A-600F registered N112MP was involved in an incident near West Lafayette, Indiana, United States. 2 people were on board and nobody was injured. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 10:45
- Classification
- Incident
- Location
- West Lafayette, Indiana, United States
- Nearest airport
- Purdue University (LAF)
- Coordinates
- 40.4193, -86.9206
- Aircraft
- Nihon YS-11A-600F
- Registration
- N112MP
- Category
- Airplane
- Engines
- 2
- Operator
- Not recorded
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Detroit → Unknown
- Aircraft damage
- Not recorded
- Weather
- VMC
- Light
- Night/Dark
- NTSB number
- CHI90IA106
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
AN UNDETECTED ACCUMULATION OF ICE ON THE HORIZONTAL STABILIZER. RELATING FACTORS WERE THE MANUFACTURER'S LACK OF INFORMATION AND AIRCRAFT MANUALS RELATIVE TO THE UNDERSTANDING OF, AND APPROPRIATE PROCEDURES TO PREVENT THE LOSS OF CONTROL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE TRANSPORT CATEGORY AIRCRAFT WAS RETURNING TO THE HOME BASE EMPTY (BALLAST ONLY). WEATHER CONDITIONS EXISTED WHICH WERE CONDUCIVE TO AIRFRAME ICING. ON FINAL APPROACH, WHEN LANDING FLAPS WERE SELECTED, THE AIRCRAFT PITCHED NOSE DOWN ACCOMPANIED BY BUFFETING OF THE AIRFRAME. THE CAPTAIN TOOK CONTROL (FIRST OFFICER HAD BEEN FLYING) AND ADDED FULL POWER. THE FIRST OFFICER SELECTED 15 DEGREES FLAP. THE AIRCRAFT RECOVERED, BUT CONTINUED TO EXHIBIT BUFFETING. THE AIRCRAFT DIVERTED TO AN AIRPORT WITH A LONGER RUNWAY AND A SUCCESSFUL LANDING WAS ACCOMPLISHED. SUBSEQUENT INVESTIGATION REVEALED SUBSTANTIAL ICE ACCUMULATION OUTSIDE THE BOOTED AREA ON THE HORIZONTAL TAIL.
Quoted verbatim from the NTSB record.
Other Nihon YS-11A accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 27 Mar 1991 | Nihon YS-11A-600 | Anchorage, Alaska, United States | Reeve Aleutian Airways, Inc. | No injuries | - |
| 15 Mar 1989 | Nihon YS-11A-600 | West Lafayette, Indiana, United States | Mid Pacific Airlines | Fatal | 2 |
| 10 Apr 1987 | Nihon YS-11A | Honolulu, Hawaii, United States | - | Serious injuries | - |
| 13 Jan 1987 | Nihon YS-11A-500 | Remmington, Indiana, United States | - | No injuries | - |
| 16 Feb 1982 | Nihon YS-11A | King Salmon, Alaska, United States | Reeve Aleutian | Minor injuries | - |
| 18 Apr 1981 | Nihon YS-11A | Sand Point, Alaska, United States | Reeve Aleutian Airways, Inc. | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 24 Jun 1990 | Cessna 152 | Hagerstown, Indiana, United States | Brookville Airpark | Fatal | 1 |
| 22 Nov 1990 | Cessna 210G | Indianapolis, Indiana, United States | Larry E. Bailey | Minor injuries | - |
| 1 Jan 1990 | Cessna 150F | Elkhart, Indiana, United States | VFR Fliers, Inc. | No injuries | - |
| 8 Jan 1990 | Cessna 152 | Rochester, Indiana, United States | Skyways, Inc. | No injuries | - |
| 17 Jan 1990 | Bell 47-G2 | Lafayette, Indiana, United States | Townsend, John R. | No injuries | - |
| 19 Jan 1990 | Cessna 150H | Sullivan, Indiana, United States | Grey Eagle Flight Training | No injuries | - |