# NTSB CHI67F0344: Lear Jet 23A, N428EJ, Ypsilanti, MI, November 2, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 2, 1966
- Place: Ypsilanti, MI · YPSILANTI, MI
- Location: 42.2444° N, 83.6212° W: Placed by OpenAirDocs: center of Ypsilanti, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2444&lon=-83.6212&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 3, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120160
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67F0344
- Page: https://openairdocs.org/ntsb/CHI67F0344

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3555   66/11/2   YPSILANTI MICH      LEAR JET 23A        CR-  0  0  2  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 2147                    N428EJ              PX-  0  0  0  AIR TAXI-CARGO            48, 10501 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            275 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WILLOW RUN      0
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DITCHES                                   TAXI: TO TAKEOFF
           GEAR COLLAPSED                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           WEATHER - OBSTRUCTIONS TO VISION
           WEATHER - SNOW
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RAMP/TAXIWAY
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIDDEN HAZARD
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                           SLEET, SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              26
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          330                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- PLT UNFAMILIAR WITH AIRPORT.
```

## Aircraft

- Registration: N428EJ (not matched to a registry record)
- Reported make and model: LEAR JET 23A
- Category: Airplane
- Engines: turbo jet
- Damage: Substantial damage
- Airport: Willow Run      0

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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