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Adios Air Piper PA-28R accident

22 Jul 1988 · Oklahoma City, OK, United States

Piper PA-28R · Accident: on ground/water collision with terrain/water during takeoff

From 2DT to Tulsa International Airport (TUL)

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Event

NTSB case
FTW88LA140
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Charter & commuter
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Visual Meteorological Cond

Piper PA-28R

Aircraft type
Piper PA-28
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N2970M
Operator
Adios Air
Onboard fatalities
Unknown
Route
From 2DTTo Tulsa International Airport (TUL), Tulsa, OK
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 135: Air Taxi & Commuter
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Takeoff · roll/run
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
On ground/water collision with terrain/water
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Substantial

Cause areas

  • Pilot in command › Aircraft preflight, inadequate

Approximate · Estimated position: the centre of Oklahoma City, OK, the place the record names. Not the accident site.

NTSB narrative

THE AIR TAXI AIRPLANE, HAULING CARGO, WAS ATTEMPTING A TAKEOFF AND RAN OFF THE END OF THE RUNWAY AND ENDED UP IN A DITCH. THE PILOT SAID THE ENGINE HAD FAILED. A CHECK ON THE WRECKAGE REVEALED THE ENGINE HAD THE WRONG TYPE OF SPARK PLUGS, ONE MAGNETO WAS ADVANCED 7 DEGREES TOO FAR, AND THE BRAKES WERE MAKING METAL TO METAL CONTACT. AFTER PLUGS WERE CHANGED AND THE MAGNETO RESET, THE ENGINE WAS OPERATED FROM IDLE TO FULL THROTTLE AND OPERATED SATISFACTORILY. THE AIRPLANE WAS ALSO OVERWEIGHT. THE BRAKES WERE FOUND WITH LININGS WORN TO THE RIVETS.

Verbatim NTSB analysis from the NTSB dataset

Sources

NTSB record FTW88LA140
Event ID
20001213X26246
Case number
FTW88LA140
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
  • The date is the local date, which is the same as the UTC date the NTSB stores.
  • API snapshot SHA-256: 0634fee91c4b4dd3aa50b4fe069895c92a728ac83dd058c3a4dc594f9ab2b2f5; retrieved 2026-09-18T19:20:29.405Z.