# NTSB CHI66F0565: Beechcraft E18S, N426SF, Chicago, IL, January 3, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 3, 1966
- 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 March 14, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 173959
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI66F0565
- Page: https://openairdocs.org/ntsb/CHI66F0565

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0153   66/1/3    CHICAGO ILL         BEECHCRAFT E18S     CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 28, 5300
        TIME - 1530                    N426SF              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MIDWAY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LANDING GEAR DYNAMIC BRAKE RELAY FAILED RESULTING IN GEAR JAMMING
```

## Aircraft

- Registration: [N426SF](https://openairdocs.org/deregistered/N426SF-2006-08-10), registration cancelled 2006-08-10, S/N BA-7, built 1954 (OpenAirDocs)
- Reported make and model: BEECHCRAFT E18S
- 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: Midway

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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