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Accidents · NTSB LAX93FA177 · Final report

British Aerospace BA 3101 accident near Merced, California, April 20, 1993

On April 20, 1993 at about 6:20 am local time, a British Aerospace BA 3101, registered N131CA, was destroyed in an accident near Merced, California (Merced Municipal airport). It was an instructional flight under general aviation rules (Part 91). 1 person was seriously injured and 2 people had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE FIRST OFFICER'S FAILURE TO MAINTAIN AN ADEQUATE RATE OF CLIMB AFTER A SINGLE-ENGINE LOSS OF POWER WAS SIMULATED, AND THE COMPANY CHECK PILOT'S INADEQUATE SUPERVISION AND FAILURE TO NOTE THE DESCENT. DARKNESS WAS A RELATED FACTOR.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
April 20, 1993 · about 6:20 am local time
Place
Merced, California · Merced Municipal · map
Type
Accident
Injuries
1 person was seriously injured and 2 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
British Aerospace BA 3101
Registration
N131CA · registry record · serial 787
Damage
Destroyed
Flight
Instructional flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE COMPANY CHIEF PILOT/CHECK PILOT WAS GIVING A CHECK FLIGHT TO A COMPANY FIRST OFFICER (F/O). AN FAA INSPECTOR WAS ABOARD TO OBSERVE THE CHECK PILOT'S ABILITY TO GIVE PROFICIENCY CHECK FLIGHTS. SOON AFTER LIFT-OFF ON THE 2ND TAKEOFF, THE CHECK PILOT SIMULATED AN ENGINE FAILURE. THE F/O, WHO WAS WEARING A VISION LIMITING DEVICE, ALLOWED THE AIRPLANE TO DRIFT TO THE LEFT, BUT THE FAA INSPECTOR NOTED THAT THE F/O SUCCESSFULLY REGAINED DIRECTIONAL CONTROL. THE INSPECTOR THEN LOOKED AWAY FROM THE COCKPIT, & WHEN HE LOOKED BACK, THE AIRPLANE WAS DESCENDING. MOMENTS LATER, IT COLLIDED WITH THE GROUND. THE FAA INSPECTOR REPORTED THAT THE CHECK PILOT WAS LOOKING TO THE LEFT, OUTSIDE OF THE AIRCRAFT, & DID NOT HAVE HIS HAND NEAR THE POWER QUADRANT. REVIEW OF THE CVR TAPE REVEALED THAT, FROM THE TIME THE F/O WAS GIVEN THE SIMULATED LEFT ENGINE FAILURE UNTIL IMPACT, THE CHECK PILOT DID NOT SAY ANYTHING TO THE F/O. NO MAINTENANCE DISCREPANCY OR MATERIAL DEFICIENCY WAS NOTED DURING THE INVESTIGATION. THE F/O HAD 3925 HOURS IN THIS MAKE/MODEL OF AIRCRAFT.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: airline transport pilot, flight instructor
  • Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane; rotorcraft: helicopter
  • Flight time: 16,990 hours in all; 600 in this make and model; 16,110 as pilot in command
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 8,873 hours
  • Last inspection: continuous airworthiness programme
  • Maximum gross weight: 15,212 lb
  • Seats: 21
  • Landing gear: retractable
  • Engine: Allied Signal TPE 331-1-10 (turboprop); 0 hours total
  • Operator: Westair Commuter Airlines, INC

The flight

  • Departed from: MCE at 6:19 am
  • Destination: MCE
  • Runway 30, 5,904 ft by 150 ft
  • A second pilot was aboard

Weather at the time

  • Light: night, dark
  • Visibility: 10 statute miles
  • Sky: ovct at 25,000 ft
  • Temperature: 55°F (13°C), dew point 48°F (9°C)
  • Altimeter: 30.00 inHg
  • Observation at 6:55 am from MER, 6 miles away

Injuries

FatalSeriousMinorNone
Crew12

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.