# NTSB CHI70AC044: Beech TC-45J, N3766, Portage, MI, January 24, 1970

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: January 24, 1970
- Place: Portage, MI · PORTAGE, MI
- Location: 42.2012° N, 85.5800° W: Placed by OpenAirDocs: center of Portage, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2012&lon=-85.5800&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report June 8, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 141310
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70AC044
- Page: https://openairdocs.org/ntsb/CHI70AC044

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0072  70/1/24    PORTAGE,MICH        BEECH TC-45J        CR-  2  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0353                    N3766               PX-  0  0  0  COMMUTER AIR CARRIER      AGE 51, 13410 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-CARGO S-D        HOURS, 41 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MICH                CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- L ENG FEATH. INVEST DISLOSED NO MALFUNCTION. PLT MADE GO-AROUND DUE GR NOT EXTENDING. FLAPS FULL.
```

## Aircraft

- Registration: [N3766](https://openairdocs.org/deregistered/N3766-1970-06-30), registration cancelled 1970-06-30, S/N 51171, built 1944 (OpenAirDocs)
- Reported make and model: BEECH TC-45J
- Registry model: [Beech TC-45J](https://openairdocs.org/model/beech-tc-45j) (registry code 1151022) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.