# N28421: Grumman American Avn. AA-5B, registration cancelled 1991-03-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 25, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Grumman American Avn. AA-5B](https://openairdocs.org/model/grumman-american-avn-aa-5b) (registry code 3960105)
- Data sheets: [TCDS A16EA](https://openairdocs.org/tcds/A16EA) (OpenAirDocs)
- Serial number: AA5B0604
- Type of aircraft: Fixed wing single engine
- Certificate issued: November 29, 1977
- Last registry action: January 31, 1991
- Mode S code: A2DF8F
- Owners when cancelled: [Schrotenboer Fred DBA](https://openairdocs.org/faa-owner/SCHROTENBOER%20FRED%20DBA), [San Luis Vly Avn](https://openairdocs.org/faa-owner/SAN%20LUIS%20VLY%20AVN)
- Location: [Monte Vista, CO](https://openairdocs.org/faa-place/CO/Monte%20Vista)
- Owner type: Individual
- Owner's area on the map: 37.5535° N, 106.1395° W: Placed by OpenAirDocs at the center of ZIP code 81144, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N28421
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28421
- Page: https://openairdocs.org/deregistered/N28421-1991-03-25

From the FAA registry file of November 12, 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 American Avn. AA-5B: https://openairdocs.org/model/grumman-american-avn-aa-5b.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 DEN90LA145](https://openairdocs.org/ntsb/DEN90LA145), Jun 27, 1990: Grumman AA5B (N28421), Monte Vista, CO, destroyed. Probable cause: THE PILOT'S PREMATURE ROTATION AND LIFTOFF.

## FAA accident and incident reports (2)

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 19900627022719A](https://openairdocs.org/incident/19900627022719A), Jun 27, 1990: Gulstm AA5B (N28421), Monte Vista, CO, Destroyed. Tried to depart in eleven thousand feet density altitude. Settled bounced hit a fence and burned. Near gross weight
- [Incident 19820627038539I](https://openairdocs.org/incident/19820627038539I), Jun 27, 1982: Gulstm AA5B (N28421), Aurora, CO, Minor damage. Aircraft bounced on landing, hit on nose gear on second bounce. Pilot alleges foreign pilot certification.

## Other aircraft with N28421

- [Registered now](https://openairdocs.org/aircraft/N28421): Piper PA-28-181, S/N 2843730, built 2013

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
