# NTSB IAD75AI016: Cessna 172M, N20271, Indianhead, MD, September 26, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 26, 1974
- Place: Indianhead, MD · INDIANHEAD, MD
- Location: 38.5986° N, 77.1557° W: Placed by OpenAirDocs: center of Indian Head, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5986&lon=-77.1557&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 17, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 144949
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD75AI016
- Page: https://openairdocs.org/ntsb/IAD75AI016

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4194  74/9/26    INDIANHEAD,MD       PIPER PA-28         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 54 TOTAL
        TIME - 1415                    N44192              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  2                            INSTRUMENT RATED.
        NAME OF AIRPORT - HYDE FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          POMONKEY,MD                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          CONVERGENCE ANGLE-DEGREES -  7                           HORIZONTAL COLLISION ANGLE-DEGREES -   165
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - OPERATING
        REMARKS- PLT ATTN DIVERTED TO HIGHWAY.L LDG GR CONTACTED L WING OF N20271.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4194  74/9/26    INDIANHEAD,MD       CESSNA 172M         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N20271              PX-  0  0  0  DUAL                      AGE 59, 20000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            HOURS, 5000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HYDE FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          CLINTON,MD                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  LATERAL CONTROL PROBLEM
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROL ZONE/AREA - NO
          CONVERGENCE ANGLE-DEGREES -  8                           HORIZONTAL COLLISION ANGLE-DEGREES -   165
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - OPERATING
```

## Aircraft 1

- Registration: N20271 (not matched to a registry record)
- Reported make and model: CESSNA 172M
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hyde Field

## Aircraft 2

- Registration: [N44192](https://openairdocs.org/aircraft/N44192), registered now, S/N 28-7405226, built 1974 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180) (registry code 7102808) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hyde Field

## 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 19740926042352A](https://openairdocs.org/incident/19740926042352A), Sep 26, 1974: Cessna 172M, Indianhead, MD, Substantial damage
- [Accident 19740926042351A](https://openairdocs.org/incident/19740926042351A), Sep 26, 1974: Piper PA28180, Indianhead, MD, Substantial damage. Plt attn diverted to highway.l ldg gr contacted l wing of N20271.

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.

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