Illustrative image; it may differ from the actual aircraft.

Lockheed UC-40A Electra Junior

L12-1266Written off

RegistrationUSN14999

Verified aircraft dataagainst the official civil aviation register

TROperatorTransair

3operators

0incidents

0accidents

0logbook years

0photos

Lockheed UC-40A Electra Junior. Operated for Transair, Delta Air Lines and United States Army Air Forces.

Vuelopedia is a work in progress: it currently holds about 30% of the information we expect to have by the third quarter of 2027. Although we use only official, highly reliable sources, some aircraft data and history may still contain errors or inaccuracies. We work hard to clear every anomaly from the records using specialized verification tools.

Technical data

ManufacturerLockheed

Country of registrationEstados Unidos

MSN1266

VerificationIdentity verified against the official register of FAA (United States) · Oct 8, 2026

The model · Lockheed 12 Electra Junior

Figures for the 12-A variant, the most representative of the family

Length11.1 m36 ft

Wingspan15.1 m50 ft

Height3.0 m10 ft

Range1,287 km695 NMWith a typical passenger load

Cruise speed343 km/h185 ktMach 0.32

Service ceiling6,980 m22,900 ft

Maximum take-off weight3,924 kg8,651 lb

Maximum payload1,309 kg2,886 lbIts 6 passengers with baggage would weigh about 0.6 t; the rest is fuel and cargo

Typical capacity6 passengers

Endurance3 h 45 minAt cruise speed, non-stop

The type first flew in 1936 (90 years ago) · About 130 units built · Production ended in 1942

Figures for the type, not for this particular aircraft: each variant and each configuration changes something. They are shown in both systems used in aviation.

The full story of the Lockheed 12 Electra Junior Compare this aircraft

Flight logbook

Under research

Aircraft chronology

Operators

—

Transair

Registration N14999

—

Delta Air Lines

Registration N14999

—

Delta Air Lines

Registration NC14999

—

United States Army Air Forces

Registration 38-582

In memoriam

This aircraft suffered a serious accident or hull loss. Out of respect for what happened and for the people who may have been affected, this record does not enable the register of memories.

Cite

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This page was last updated on October 10, 2026

APA

Vuelopedia. (2026, October 10). Lockheed UC-40A Electra Junior · N14999 · Transair. Retrieved October 18, 2026, from https://vuelopedia.org/en/aircraft/L12-1266

MLA

“Lockheed UC-40A Electra Junior · N14999 · Transair.” Vuelopedia, Fundación Poderia, 10 Oct. 2026, vuelopedia.org/en/aircraft/L12-1266. Accessed 18 Oct. 2026.

Chicago

Vuelopedia. “Lockheed UC-40A Electra Junior · N14999 · Transair.” Fundación Poderia. Last modified October 10, 2026. https://vuelopedia.org/en/aircraft/L12-1266.

Harvard

Vuelopedia (2026) Lockheed UC-40A Electra Junior · N14999 · Transair. Available at: https://vuelopedia.org/en/aircraft/L12-1266 (Accessed: 18 October 2026).

BibTeX

@misc{vuelopedia_en_aircraft_l12_1266,
  author       = {{Vuelopedia}},
  title        = {{Lockheed UC-40A Electra Junior · N14999 · Transair}},
  publisher    = {Fundación Poderia},
  year         = {2026},
  date         = {2026-10-10},
  url          = {https://vuelopedia.org/en/aircraft/L12-1266},
  howpublished = {\url{https://vuelopedia.org/en/aircraft/L12-1266}},
  urldate      = {2026-10-18},
  note         = {Accessed 2026-10-18}
}

Wikipedia

{{cite web |url=https://vuelopedia.org/en/aircraft/L12-1266 |title=Lockheed UC-40A Electra Junior · N14999 · Transair |website=Vuelopedia |publisher=Fundación Poderia |date=2026-10-10 |access-date=2026-10-18 |language=en}}