# NTSB UNK64X2289: Cessna 210, N9440T, Dubuque, IA, June 14, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 14, 1964
- Place: Dubuque, IA · DUBUQUE, IA
- Location: 42.5006° N, 90.6646° W: Placed by OpenAirDocs: center of Dubuque, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5006&lon=-90.6646&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 22, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183437
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2289
- Page: https://openairdocs.org/ntsb/UNK64X2289

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1738  64/6/14    DUBUQUE IOWA        CESSNA 210          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 40, 2200
        TIME - 1815                    N9440T              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 9 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DUBUQUE MUNICIPAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
          LDG GR-NOSE GR HYDRAULIC LINE FAILED.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
```

## Aircraft

- Registration: [N9440T](https://openairdocs.org/deregistered/N9440T-2018-01-24), registration cancelled 2018-01-24, S/N 57240, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 210
- Registry model: [Cessna 210](https://openairdocs.org/model/cessna-210) (registry code 2073402) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Dubuque Municipal

## Other investigations on N9440T (2)

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 MKC89LA144](https://openairdocs.org/ntsb/MKC89LA144), Jun 26, 1989: Cessna 210 (N9440T), Kaiser, MO, substantial damage. Probable cause: FAILURE OF THE PILOT TO EXTEND THE LANDING GEAR. A FACTOR IN THE ACCIDENT WAS THE PILOT'S FAILURE TO USE THE CHECKLIST.
- [NTSB MIA69F0444](https://openairdocs.org/ntsb/MIA69F0444), Mar 7, 1969: Cessna 210 (N9440T), York, SC, 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.
