# NTSB NYC66A0152: Bell 47J-2, N73948, Burlington, MA, June 18, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 18, 1966
- Place: Burlington, MA · BURLINGTON, MA
- Location: 42.5032° N, 71.2017° W: Placed by OpenAirDocs: center of Burlington, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5032&lon=-71.2017&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 21, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 171601
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC66A0152
- Page: https://openairdocs.org/ntsb/NYC66A0152

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0534  66/6/18    BURLINGTON MASS     BELL 47J-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1710                    N73948              PX-  0  0  0  AIR TAXI-CARGO            AGE 45, 6566 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            700 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - RCA HELIPAD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        REMARKS- TAIL ROTOR STRUCK EDGE OF WOODEN HELIPAD DURING LANDING.
```

## Aircraft

- Registration: [N73948](https://openairdocs.org/deregistered/N73948-2013-05-07), registration cancelled 2013-05-07, S/N 2836 (OpenAirDocs)
- Reported make and model: BELL 47J-2
- Registry model: [Bell 47J-2](https://openairdocs.org/model/bell-47j-2) (registry code 1181104) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Rca Helipad

## Other investigations on N73948 (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 NYC67A0067](https://openairdocs.org/ntsb/NYC67A0067), Oct 26, 1966: Bell 47J-2 (N73948), Brookline, MA, substantial damage

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.