# NTSB CHI72AC021: Piper PA-28R, N2070T, Flint, MI, September 7, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 7, 1971
- Place: Flint, MI · FLINT, MI
- Location: 43.0125° N, 83.6875° W: Placed by OpenAirDocs: center of Flint, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0125&lon=-83.6875&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 6 uninjured
- Status: Completed, report June 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164262
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72AC021
- Page: https://openairdocs.org/ntsb/CHI72AC021

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3947   71/9/7    FLINT,MICH          PIPER PA-32         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 34, 59 TOTAL
        TIME - 2122                    N3966W              PX-  0  0  5  PLEASURE/PERSONAL TRANSP  HOURS, 5 IN TYPE, NOT
                                       DAMAGE-MINOR        OT-  0  2  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BISHOP
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FLINT,MICH                  FLINT,MICH                   OWOSSO,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
        FACTOR(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: FAILURE OR DELAY IN INITIATING EMERGENCY PROCEDURES
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - UNKNOWN/NOT REPORTED
          TRAFFIC ADVISORY ISSUED - BY LOCAL CONTROL               CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - NOT OPERATING
        REMARKS- N3966W LOST ELEC PWR FOR UNDET REASON,HAD NO LTS.CTL TWR AWARE OF PROB,TOOK INADEQUATE PRECAUTION.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3947   71/9/7    FLINT,MICH          PIPER PA-28R        CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 2122                    N2070T              PX-  0  0  0  DUAL                      AGE 28, 1776 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  6                            25 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BISHOP
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FLINT,MICH                  FLINT,MICH                   DETROIT,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: FAILURE OR DELAY IN INITIATING EMERGENCY PROCEDURES
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - UNKNOWN/NOT REPORTED
          TRAFFIC ADVISORY ISSUED - BY LOCAL CONTROL               CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - OPERATING
        REMARKS- N3966W FLEW NON-STANDARD PATTERN.N3966W LND OK.
```

## Aircraft 1

- Registration: [N2070T](https://openairdocs.org/deregistered/N2070T-1972-09-21), registration cancelled 1972-09-21, S/N 28R7135014, built 1970 (OpenAirDocs)
- Reported make and model: PIPER PA-28R
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (registry code 7102811) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Bishop

## Aircraft 2

- Registration: N3966W (not matched to a registry record)
- Reported make and model: PIPER PA-32
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Bishop

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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