# NTSB CHI81FEC48: Cessna 310N, N5070Q, Pontiac, MI, August 1, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1981
- Place: Pontiac, MI · PONTIAC, MI
- Location: 42.6492° N, 83.2874° W: Placed by OpenAirDocs: center of Pontiac, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6492&lon=-83.2874&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124015
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FEC48
- Page: https://openairdocs.org/ntsb/CHI81FEC48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2762   81/8/1    PONTIAC,MI          CESSNA 310N         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 26, 13740
        TIME - 1145                    N5070Q              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - OAKLAND-PONTIAC
        DEPARTURE POINT             INTENDED DESTINATION
          PONTIAC,MI                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
        REMARKS- NOSE GEAR RETRACTED AGAINST WHEEL WELL DOORS BREAKING IDLER ARM,P/N 0842102-2.
```

## Aircraft

- Registration: [N5070Q](https://openairdocs.org/deregistered/N5070Q-2013-03-21), registration cancelled 2013-03-21, S/N 310N-0170, built 1968 (OpenAirDocs)
- Reported make and model: CESSNA 310N
- Registry model: [Cessna 310N](https://openairdocs.org/model/cessna-310n) (registry code 2074234) (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: Oakland-Pontiac

## FAA reports on this event (1)

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

- [Accident 19810801064739A](https://openairdocs.org/incident/19810801064739A), Aug 1, 1981: Cessna 310N, Pontiac, MI, Substantial damage. Nose gear collapsed during first landing after maintenance on landing gear system.

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.