# NTSB NYC74DNA25: Amer Avco AA-1A, N9411L, Bedford, MA, November 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 13, 1973
- Place: Bedford, MA · BEDFORD, MA
- Location: 42.4906° N, 71.2762° W: Placed by OpenAirDocs: center of Bedford, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4906&lon=-71.2762&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 11, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 188039
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74DNA25
- Page: https://openairdocs.org/ntsb/NYC74DNA25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3476  73/11/13   BEDFORD,MASS        AMER AVCO AA-1A     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 350
        TIME - 0830                    N9411L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HANSCOM FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          BEDFORD,MASS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DITCHES                                   TAXI: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - BENT
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- HAND PROP ENG STARTED PLT UN MOVE THROTTLE FM FULL OPEN.BRACKET 501112-501 THROTTLE 507002-1 BENT
```

## Aircraft

- Registration: [N9411L](https://openairdocs.org/deregistered/N9411L-1975-03-06), registration cancelled 1975-03-06, S/N AA1A-0211 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-1A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hanscom Field

## FAA reports on this event (1)

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

- [Accident 19731113036639A](https://openairdocs.org/incident/19731113036639A), Nov 13, 1973: Gulstm AA1, Bedford, MA, Substantial damage. Hand prop eng started plt un move throttle fm full open. Bracket 501112-501 throttle 507002-1 bent

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.