# Accident 19740520018482A: Grumav AA5, Tewksbury, MA, May 20, 1974

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 20, 1974
- Place: Tewksbury, MA
- Airport: Tew-Mac
- Damage: Destroyed
- Collision: Midair collision, second aircraft
- Phase of flight: Normal Cruise
- Location: 42.5975° N, 71.2046° W: Placed by OpenAirDocs at TEW MAC (80MA), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5975&lon=-71.2046&mi=10
- Aircraft: N6028L, a cancelled registration (https://openairdocs.org/deregistered/N6028L-1974-08-19) (OpenAirDocs)
- Registry model: American AA-5 (registry code 0631410, https://openairdocs.org/model/american-aa-5) (OpenAirDocs)
- Reported make and model: GRUMAV AA5
- Fatal injuries: 0
- Pilot flight hours: 183 total, 38 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB NYC74AN097](https://openairdocs.org/ntsb/NYC74AN097) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19740520018482A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ACFT NW BOUND COLLIDED WITH N4MB APRX 2MI N OF ARPT.GENERAL DISINTEGRATION.

## Other aircraft in the event

- N4MB, Piper PA28R200: [Accident 19740520018481A](https://openairdocs.org/incident/19740520018481A)

## The NTSB's investigation of this event (1)

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.

- [NTSB NYC74AN097](https://openairdocs.org/ntsb/NYC74AN097), May 20, 1974: Amer Avco AA-5 (N6028L), Tewksbury, MA, destroyed, 3 fatal

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
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.