# NTSB MKC69D0339: Aero Comdr 500-B, N553HH, Waterloo, IA, January 27, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 27, 1969
- Place: Waterloo, IA · WATERLOO, IA
- Location: 42.4928° N, 92.3430° W: Placed by OpenAirDocs: center of Waterloo, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4928&lon=-92.3430&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report May 16, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191138
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC69D0339
- Page: https://openairdocs.org/ntsb/MKC69D0339

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0434  69/1/27    WATERLOO,IOWA       AERO COMDR 500-B    CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 2000                    N553HH              PX-  0  0  4  CORP/EXEC                 54, 12000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            7500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WATERLOO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - NOT ALIGNED WITH RUNWAY/INTENDED LANDING AREA
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: ICE/SLUSH ON RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - ICE-WINDSHIELD
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- WINDSHELD PARTIALLY OBSCURED. LANDED ON L SIDE  OF RNWY. PATCHES OF ICE ON RNWY.
```

## Aircraft

- Registration: [N553HH](https://openairdocs.org/deregistered/N553HH-1975-05-09), registration cancelled 1975-05-09, S/N 500B92911 (OpenAirDocs)
- Reported make and model: AERO COMDR 500-B
- Registry model: [Aero Commander 500-B](https://openairdocs.org/model/aero-commander-500-b) (registry code 0141106) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Waterloo

## Other investigations on N553HH (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 IAD75FLQ11](https://openairdocs.org/ntsb/IAD75FLQ11), Dec 29, 1974: Aero Comdr 500B (N553HH), Paducah, KY, substantial damage
- [NTSB MKC72DCD40](https://openairdocs.org/ntsb/MKC72DCD40), Oct 18, 1971: Aero Comdr 500-B (N553HH), Waterloo, IA, 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.
