# NTSB CHI81IA049: Beech G18S, N723T, Chicago, IL, April 16, 1981

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: April 16, 1981
- Place: Chicago, IL · CHICAGO, IL
- Location: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.8500&lon=-87.6501&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 1, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125397
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81IA049
- Page: https://openairdocs.org/ntsb/CHI81IA049

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0011  81/4/16    CHICAGO,IL          BEECH G18S          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 5663
        TIME - 2054                    N723T               PX-  0  0  0  COMMUTER AIR CARRIER      TOTAL HOURS, 846 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-CARGO S-D        INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - O'HARE INTL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DANVILLE,IL                 JANESVILLE,WI                CHICAGO,IL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CIRCUIT BREAKER POPPED
        REMARKS- LANDING GEAR CKT BRKR FOUND POPPED.
```

## Aircraft

- Registration: [N723T](https://openairdocs.org/deregistered/N723T-1987-10-30), registration cancelled 1987-10-30, S/N BA579 (OpenAirDocs)
- Reported make and model: BEECH G18S
- Registry model: [Beech G18S](https://openairdocs.org/model/beech-g18s) (registry code 1151010) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: O'Hare Intl

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19810416033099I](https://openairdocs.org/incident/19810416033099I), Apr 16, 1981: Beech G18S, Chicago, IL, Minor damage. Pilot failed to check gear position on second actuation during diverted approach. Found gear circuit breaker open.

## Other investigations on N723T (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 CHI86FA092](https://openairdocs.org/ntsb/CHI86FA092), Feb 26, 1986: Beech G18S (N723T), Janesville, WI, destroyed

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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