# NTSB NYC90DNE01: North American T-28B, N504GH, New Braintree, MA, October 28, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: October 28, 1989, 14:10 local (19:10 UTC)
- Place: New Braintree, MA
- Location: 42.3564° N, 72.1301° W: Placed by OpenAirDocs at Tanner Hiller Airport (8B5), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3564&lon=-72.1301&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 9, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 36508
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC90DNE01
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36508/pdf
- Page: https://openairdocs.org/ntsb/NYC90DNE01

## Probable cause

THE FAILURE OF THE NOSE GEAR, WHICH FAILED TO RETRACT WITH THE MAIN LANDING GEAR AFTER TAKEOFF; THE GEAR WAS OBSERVED TO BE MISALIGNED, AND COLLAPSED DURING THE AIRCRAFT'S TOUCHDOWN.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Airframe/component/system failure/malfunction, takeoff - initial climb
  - landing gear,nose gear - failure,total (cause)
- Nose gear collapsed, landing - flare/touchdown

## Analysis

THE PILOT STATED THAT WHEN HE RETRACTED THE LANDING GEAR AFTER TAKEOFF, HE DID NOT GET A 'NOSE GEAR UP' INDICATION. THE GEAR WAS CYCLED AND GROUND OBSERVERS REPORTED THAT THE NOSE GEAR APPEARED TO HAVE 'ROTATED OUT OF PROPER ORIENTATION.' THE NOSE GEAR COLLAPSED UPON TOUCHDOWN. THE CAUSE OF THE NOSE GEAR MALFUNCTION WAS NOT DETERMINED.

## Aircraft

- Registration: [N504GH](https://openairdocs.org/deregistered/N504GH-2013-10-29), registration cancelled 2013-10-29, S/N 138140 (OpenAirDocs)
- Reported make and model: NORTH AMERICAN T-28B
- Registry model: [North American T-28B](https://openairdocs.org/model/north-american-t-28b) (registry code 6402506) (OpenAirDocs)
- Registry engine: [Wright R-1820 series](https://openairdocs.org/engine/wright-r-1820-series) (registry code 67020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 138140
- Engines: WRIGHT R-1820-86B 1425 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Leonard A. Tanner
- Registered owner: Tan-Air Ltd
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, June 1, 1989
- Destination: 8B5, NEW BRAINTREE, MA
- Airport: 8B5, Tanner-Hiller, runway 6, 2,810 × 40 ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 65; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 13,000 total, 236 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Lowest ceiling: none

## 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 19891028043579A](https://openairdocs.org/incident/19891028043579A), Oct 28, 1989: Namer T28B, Barre/Barree Pl, MA, Substantial damage. Nose gear failed to retract on takeoff. Appeared disconnected. Damaged wing spar intentionaly landing on overrun.

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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