# NTSB FTW70AF049: Piper PA-23, N6847Y, Tulsa, OK, January 23, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 23, 1970
- Place: Tulsa, OK · TULSA, OK
- Location: 36.1540° N, 95.9928° W: Placed by OpenAirDocs: center of Tulsa, OK, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1540&lon=-95.9928&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report June 16, 1970
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79601
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70AF049
- Page: https://openairdocs.org/ntsb/FTW70AF049

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0173  70/1/23    TULSA,OKLA          CESSNA 150F         CR-  0  0  1  INSTRUCTIONAL             PRIVATE, AGE 24, 92 TOTAL
        TIME - 1240                    N8327G              PX-  0  0  0  TRAINING                  HOURS, 90 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  4                            INSTRUMENT RATED.
        NAME OF AIRPORT - RIVERSIDE
        DEPARTURE POINT             INTENDED DESTINATION
          TULSA,OKLA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           TERRAIN - SNOW-COVERED
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  HORIZONTAL COLLISION ANGLE-DEGREES -   5
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- N8327G WAS OVERTAKEN AND STRUCK BY N6847Y. BOTH ACFT LND OK. N8327G LT COLORED,BLENDED WITH SNOW.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0173  70/1/23    TULSA,OKLA          PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1240                    N6847Y              PX-  0  0  2  DUAL                      AGE 37, 2453 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            345 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - RIVERSIDE
        DEPARTURE POINT             INTENDED DESTINATION
          TULSA,OKLA                  LOCAL
        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
        FACTOR(S)
           TERRAIN - SNOW-COVERED
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  HORIZONTAL COLLISION ANGLE-DEGREES -   5
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- BOTH ACFT HAD RADIO CONTACT,WERE ON STRAIGHT IN APCHS. NO RADAR IN TOWER.
```

## Aircraft 1

- Registration: [N6847Y](https://openairdocs.org/deregistered/N6847Y-1982-02-05), registration cancelled 1982-02-05, S/N 27-4191 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Riverside

## Aircraft 2

- Registration: [N8327G](https://openairdocs.org/deregistered/N8327G-2015-05-11), registration cancelled 2015-05-11, S/N 15062427, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 150F
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (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: Riverside

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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