# N720Q: Grumman G-1159, registration cancelled 1975-06-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 10, 1975
- Status when cancelled: Valid registration
- Airframe: [Grumman G-1159](https://openairdocs.org/model/grumman-g-1159) (registry code 3953505)
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA) (OpenAirDocs)
- Serial number: 58
- Type of aircraft: Fixed wing multi engine
- Certificate issued: July 29, 1969
- Mode S code: A9A4EA
- Owner when cancelled: [International Business Machines Corp](https://openairdocs.org/faa-owner/INTERNATIONAL%20BUSINESS%20MACHINES%20CORP)
- Location: [Wappingers Falls, NY](https://openairdocs.org/faa-place/NY/Wappingers%20Falls)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N720Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=720Q
- Page: https://openairdocs.org/deregistered/N720Q-1975-06-10

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Grumman G-1159: https://openairdocs.org/model/grumman-g-1159.md

## NTSB investigations (1)

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 DCA74AZ022](https://openairdocs.org/ntsb/DCA74AZ022), Jun 24, 1974: Grumman G-1159 (N720Q), Kline, SC, destroyed, 3 fatal

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19740624044429A](https://openairdocs.org/incident/19740624044429A), Jun 24, 1974: Grumav G1159 (N720Q), Kline, SC, Destroyed, 1 fatal. Unwanted extsn of gnd & flt spoilers,pbly due short in extend ckt.l gnd spoiler act failed in flt.

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