# NTSB IAD70A0021: Piper PA-28, N4204J, Edgewater, MD, September 23, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 23, 1969
- Place: Edgewater, MD · EDGEWATER, MD
- Location: 38.9397° N, 76.5514° W: Placed by OpenAirDocs: center of Edgewater, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.9397&lon=-76.5514&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 1 minor, 1 uninjured
- Status: Completed, report December 8, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 158071
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD70A0021
- Page: https://openairdocs.org/ntsb/IAD70A0021

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2540  69/9/23    EDGEWATER,MD        PIPER PA-22         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1805                    N4979Z              PX-  0  0  0  DUAL                      AGE 47, 4067 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  2                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LEE
        DEPARTURE POINT             INTENDED DESTINATION
          EDGEWATER,MD                EDGEWATER,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        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 - NO CONTROL                          RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   HORIZONTAL COLLISION ANGLE-DEGREES -   48
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- NEITHER PLT SAW THE OTHER. N4204J ENTERED PATTERN ON BASE LEG. N4979Z WAS IN PATTERN MAKING LNDGS.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2540  69/9/23    EDGEWATER,MD        PIPER PA-28         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1805                    N4204J              PX-  0  0  0  DUAL                      AGE 53, 14513 TOTAL
                                       DAMAGE-MINOR        OT-  2  0  0                            HOURS, 2451 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LEE
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FREEWAY APT,MD              FREEWAY APT,MD               EDGEWATER,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        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 - NO CONTROL                          RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   HORIZONTAL COLLISION ANGLE-DEGREES -   48
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - OPERATING
        REMARKS- NEITHER PLT SAW THE OTHER. N4204J ENTERED PATTERN ON BASE LEG. N4979Z WAS IN PATTERN MAKING LNDGS.
```

## Aircraft 1

- Registration: [N4204J](https://openairdocs.org/deregistered/N4204J-2013-03-11), registration cancelled 2013-03-11, S/N 28-22549, built 1966 (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: Minor damage
- Airport: Lee

## Aircraft 2

- Registration: [N4979Z](https://openairdocs.org/deregistered/N4979Z-1971-03-12), registration cancelled 1971-03-12, S/N 22-8585 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Lee

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.