# NTSB CHI74AC099: Beech D18S, N3616B, Detroit, MI, June 27, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 27, 1974
- Place: Detroit, MI · DETROIT, MI
- Location: 42.3314° N, 83.0458° W: Placed by OpenAirDocs: center of Detroit, MI, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3314&lon=-83.0458&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 uninjured
- Status: Completed, report August 14, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128121
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74AC099
- Page: https://openairdocs.org/ntsb/CHI74AC099

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1928  74/6/27    DETROIT,MICH        BELL 47G-5A         CR-  2  0  0  MISCELLANEOUS             COMMERCIAL, AGE 25, 598
        TIME - 2257                    N59399              PX-  0  0  0  POLICE PATROL             TOTAL HOURS, 378 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  2                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DETROIT CITY
        DEPARTURE POINT             INTENDED DESTINATION
          DETROIT,MICH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: FAILURE TO ADVISE OF OTHER TRAFFIC
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           TERRAIN - OTHER
           TERRAIN - OTHER
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - OPERATING
        REMARKS- PATROL DUTY OVR DETROIT RIVER.TOWER PERSONNEL DID NOT ISSUE PERTINENT TRAFFIC INFORMATION.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1928  74/6/27    DETROIT,MICH        BEECH D18S          CR-  0  0  2  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 2257                    N3616B              PX-  0  0  0  COMMUTER AIR CARRIER      41, 14000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  2  0  0  AIR TAXI-CARGO S-D        3000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DETROIT CITY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          OLIVE BRANCH,MISS           DETROIT,MICH                 BOWLING GREEN,KY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: FAILURE TO ADVISE OF OTHER TRAFFIC
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           TERRAIN - OTHER
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - OPERATING
        REMARKS- DESCENDING OVER CITY AREA AT NIGHT.TOWER PERSONNEL DID NOT ISSUE PERTINENT TRAFFIC INFORMATION.
```

## Aircraft 1

- Registration: [N3616B](https://openairdocs.org/deregistered/N3616B-2011-07-11), registration cancelled 2011-07-11, S/N BA-11, built 1954 (OpenAirDocs)
- Reported make and model: BEECH D18S
- Registry model: [Beech E18S](https://openairdocs.org/model/beech-e18s) (registry code 1151006) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Detroit City

## Aircraft 2

- Registration: [N59399](https://openairdocs.org/deregistered/N59399-2014-10-29), registration cancelled 2014-10-29, S/N 25137 (OpenAirDocs)
- Reported make and model: BELL 47G-5A
- Registry model: [Bell 47G-5A](https://openairdocs.org/model/bell-47g-5a) (registry code 1181034) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Detroit City

## 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 19740627027642A](https://openairdocs.org/incident/19740627027642A), Jun 27, 1974: Beech E18S, Detroit, MI, Substantial damage. Descending over city area at night. Tower personnel did not maintain track of each acft.
- [Accident 19740627027641A](https://openairdocs.org/incident/19740627027641A), Jun 27, 1974: Bell 47G5A, Detroit, MI, Substantial damage, 1 fatal. Patrol duty ovr Detroit river. Tower personnel did not maintain track of each acft.

## Other investigations on N3616B (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 CHI77FA066](https://openairdocs.org/ntsb/CHI77FA066), Aug 17, 1977: Beech E18S (N3616B), Buckeye Lake, OH, 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.
