# NTSB NYC74AN097: Piper PA-28R, N4MB, Tewksbury, MA, May 20, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: May 20, 1974
- Place: Tewksbury, MA · TEWKSBURY, MA
- Location: 42.6106° N, 71.2342° W: Placed by OpenAirDocs: center of Tewksbury, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6106&lon=-71.2342&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report June 28, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 124302
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74AN097
- Page: https://openairdocs.org/ntsb/NYC74AN097

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1288  74/5/20    TEWKSBURY,MASS      AMER AVCO AA-5      CR-  1  0  0  INSTRUCTIONAL             PRIVATE, AGE 33, 183
        TIME - 1620                    N6028L              PX-  0  0  0  SOLO                      TOTAL HOURS, 38 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  2  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - TEW-MAC
        DEPARTURE POINT             INTENDED DESTINATION
          TEWKSBURY,MASS              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - UNICOM                              RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONVERGENCE ANGLE-DEGREES -  103                         HORIZONTAL COLLISION ANGLE-DEGREES -   12
          EVASIVE ACTION TAKEN - UNKNOWN/NOT REPORTED
        REMARKS- ACFT NW BOUND COLLIDED WITH N4MB APRX 2MI N OF ARPT.GENERAL DISINTEGRATION.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1288  74/5/20    TEWKSBURY,MASS      PIPER PA-28R        CR-  2  0  0  NONCOMMERCIAL             PRIVATE, AGE 48, 408
        TIME - 1620                    N4MB                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  1  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - TEW-MAC
        DEPARTURE POINT             INTENDED DESTINATION
          NORWOOD,MASS                TEWKSBURY,MASS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - UNICOM                              RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONVERGENCE ANGLE-DEGREES -  65                          HORIZONTAL COLLISION ANGLE-DEGREES -   12
          EVASIVE ACTION TAKEN - UNKNOWN/NOT REPORTED
        REMARKS- BOTH PLTS QUALIFIED IN ACFT.ACFT COLLIDED WITH N6028L APRX 2MI N OF TEW-MAC ARPT.
```

## Aircraft 1

- Registration: [N4MB](https://openairdocs.org/deregistered/N4MB-1974-08-09), registration cancelled 1974-08-09, S/N 28R-7335181, built 1973 (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: Tew-Mac

## Aircraft 2

- Registration: [N6028L](https://openairdocs.org/deregistered/N6028L-1974-08-19), registration cancelled 1974-08-19, S/N AA50128 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-5
- Registry model: [American AA-5](https://openairdocs.org/model/american-aa-5) (registry code 0631410) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Tew-Mac

## FAA reports on this event (2)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740520018481A](https://openairdocs.org/incident/19740520018481A), May 20, 1974: Piper PA28R200, Tewksbury, MA, Destroyed. Both plts qualified in acft. Acft collided with N6028L aprx 2MI n of Tew-Mac arpt.
- [Accident 19740520018482A](https://openairdocs.org/incident/19740520018482A), May 20, 1974: Grumav AA5, Tewksbury, MA, Destroyed. Acft nw bound collided with N4MB aprx 2MI n of arpt. General disintegration.

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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