# NTSB NYC73AN102: Cessna 150, N4239U, Nashua, NH, January 14, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 14, 1973
- Place: Nashua, NH · NASHUA, NH
- Location: 42.7491° N, 71.4905° W: Placed by OpenAirDocs: center of Nashua, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7491&lon=-71.4905&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report April 5, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169546
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN102
- Page: https://openairdocs.org/ntsb/NYC73AN102

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0100  73/1/14    NASHUA,NH           PIPER PA-28         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 33, 380
        TIME - 1030                    N595FL              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOIRE
        DEPARTURE POINT             INTENDED DESTINATION
          NASHUA,NH                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: LEVEL OFF/TOUCHDOWN
        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 - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - OTHER                          CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   HORIZONTAL COLLISION ANGLE-DEGREES -   0
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- UNICOM WAS MONITORED,OTHER PLT ON GRND TRSMT WARNING.C-150 HAD NO RADIO.COLLIDED ON LDG FLARE.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0100  73/1/14    NASHUA,NH           CESSNA 150          CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 33, 25 TOTAL
        TIME - 1030                    N4239U              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOIRE
        DEPARTURE POINT             INTENDED DESTINATION
          NASHUA,NH                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: LEVEL OFF/TOUCHDOWN
        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 - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - OTHER                          CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   HORIZONTAL COLLISION ANGLE-DEGREES -   0
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- OBS SAW PA-28 ON FINAL AND C-150 ON BASE.SAW C-150 TURN FINAL ON TOP OF PA-28.BOTH ACFT CONT APCH.
```

## Aircraft 1

- Registration: [N4239U](https://openairdocs.org/aircraft/N4239U), registered now, S/N 15060239, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boire

## Aircraft 2

- Registration: [N595FL](https://openairdocs.org/deregistered/N595FL-2018-09-13), registration cancelled 2018-09-13, S/N 28-7125462, built 1971 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boire

## 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 19730114000901A](https://openairdocs.org/incident/19730114000901A), Jan 14, 1973: Cessna 150D, Nashua, NH, Substantial damage. OBS saw PA-28 on final and C-150 on base. Saw C-150 turn final on top of PA-28.both acft cont apch.
- [Accident 19730114000902A](https://openairdocs.org/incident/19730114000902A), Jan 14, 1973: Piper PA28140, Nashua, NH, Substantial damage. UNICOM was monitored,other plt on grnd trsmt warning.C-150 had no radio. Collided on ldg flare.

## Other investigations on N4239U (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 MIA68F0362](https://openairdocs.org/ntsb/MIA68F0362), Dec 26, 1967: Cessna 150 (N4239U), Douglasville, GA, 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.